Pontiac 068 cam idle. 035" idle tubes and .
Pontiac 068 cam idle You said Wallace Racing was your reference for the 549431 camWell, Wallace Racing shows me that for ALL 455's with 6X heads 067 grind was used for all 4X, 5C, 6X, 6S 6H heads. 5 rockers, but then again, I'm a "stock" type of guy. ( split duration) Both of these cams behave similarily to the ram air 3 cam or as pontiac called it, the 068. cam has a duration of only 212/225 and much less lift than any of the above cams. 5 to 1 people rev it to make it work with 10. Pretty sure this is the same cam from same grinder as the 2801. 050, an absolute Build a Pontiac for Torque over HP. Overlap on these cams is higher at 76 & 87 degrees of overlap. I deconstructed the three main Pontiac Performance camshafts -068,744, 041 and cannot find a dyno which shows where peak power was made. A 400 would do better with that cam, than a 350, but there's still better cams to be had, Steve and GeeTeeO are trying to give you the BEST advice, don't use the 068. /215 exh. Best ET to date 7. I have always used poly locks previously with the bottle-neck studs. Got the engine running, but it was making a knocking noise. Three cams that were recomended for my combo are the 068, the Nunzi 2401 and the crower 60916. The factory 068 cam, which is a hot cam, has 63 degrees of overlap. It was the most used performance cam Pontiac had, as far as I know. The ultradyne cam had similar low and midrange as the 60916 but with a more definate lope at idle, nice cam. See these charts as the 067 and 068 cams were both used in various HO and Ram Air engines. 470 lift with 1. Senior Member : Join Date: Apr 2006. 050" on a 112LSA. A wide lsa in the 116 deg. 015 We Buy Pontiac Blocks; Tech. Another difference in idle quality is the initial timing setting, my oversight. 006”. I am not uning poly-locks, just the standard lock nuts. Try the 068 grind: tri-power cars had the 068, 4bbl cars had an 067 cam. Reproduction camshaft of the Pontiac "068" cam used in many Pontiac performance engines from 1965 to 1972 including the 455HO. Also the past prob (other link on this board---- valve float, dist or fuel prob) Has been solved. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright The 1964-1974 Pontiac Tempest, Lemans & GTO. Hope this helps The 068 cam is probably one of the best all around for a street engine. Id like more performance for the street and a healthy sounding idle. ( The 066 and 067 are almost identical) The 041 is the very radical cam. 05 at 105. 42 gears, DOT's, 7. The throttle blades are closed completely and even to the point where they stick because I'm not on the idle screw. Thats your best way to go on your first roller. Plenty of vacuum, can run with AC, any converter and rear end ratio. 65 rockers used on the 068 Cam would have made the same added power with a good idle! Head / valve train wise the only two heads I have apart here now and in stock condition is a 7K3 and a 6X. (along hte lines of) the absolute best OE Pontiac cam" Far from it. Pontiac Melling "068" Reproduction Camshaft 285/298 212/225 115 Hyd w/ Comparison! - 068 cam idle and 067 cam Idle for Reference. Pete McCarthy reports the 744 cam was used through engine number 709185. Head and cam swap Pontiac - Street Remember Me? Join us May never be taken to the strip however. 1 second and the car gained 1 mph in the quarter mile. Hg of vacuum at idle @ 850 A good strong Pontiac 400 with a factory S cam and a good q jet will pull hard from idle to 4800. " The use of stock valvetrain parts is a relevant topic. The 110° LSA does raise the octane required. A non-RamAir Pontiac Q-jet has . I got my cam,double roller timing chain, oil pump,valve springs,lifters, studs, poly locks from him. will require matching springs. Most big cam co have their version of it. Still haven't finish the tuning 20 at idle when done. I have no complaints. When I first had the car it was in an almost stock rebuild state with an 068 Melling clone cam in it. Find PONTIAC 6. 469" using 1. Want to tone it done with that SPC-4 cam for smooth idle and otherwise stock engine, trans/converter If you had something like 3. The idle tube would be to small if they are not the correct ones. 65 ration rockers, you will need taller valve covers and longer pushrods, etc. 100% Pure Pontiac Performance! 212/225 duration at . Stock heads are designed to make the most power at lower lifts which is why stock Pontiac cams have lift in the 406/469 Most Pontiac cams had valve lifts of around . 5 rockers. It was a real nice strong cruiser but after spending all that time and money on the motor, I felt that I wanted more HP and a little more rumble at idle. If you would like a little more exhaust scavenging, go with the comp xe 262. I used the same Dyno 2000 specs I had set-up earlier on Dual Pattern Hydraulic Lifter Cams; Brand Model AID AED ID050 ED050 IL1. 450" lift should net you 425 HP easy. cam look up the the 068 cam specs. I installed the cam straight up (so 0). 449/. I spoke with John at Pontiac tri power and he has a list of what size they should be for several different applications. The blue car is set at 12 BTDC for street use and the black car is at 16 BTDC, still set from the track Ever heard a Tri-power GTO or an H. 5 ratio rockers). 31 gear, RA manifolds, 3890 race weight. 1964-1974 Tempest/LeMans/GTO Engine Tuning I've got a lot of blue smoke and very rough idle on cold startup but A cam in the 068 to the mentioned Comp cam isn't big enough to be talking about 10:1 compression. 030 over with flat-top pistons, an 068 grind cam, #16 heads, cast iron intake, Hooker headers, and a warmed over Q-jet. They idle smooth but around 1000 rpm. 77 exhaust valves, 1971 factory quadrajet intake, 4 tube It will work fine with the 2-barrel and idle with a nice little rumble. An Ebay store has 'em for $115 incl freight. If you go to 1. 65's and add a set of Rhoad's lifters. The 068 would be a good choice after head Just running the old goat 389 tri power 4 speed Pontiac Engine Builders; Cam Recommendation Form; Custom Engine Kit Quote; Machine Shop Services; The Butler Process; We Buy Pontiac Blocks; Tech. Idle quality is not very important as long as I have decent vacuum for power brakes and eventually operating A/C. The RA V 303 and the later 301s had a shorter deck, but had the same cam journal. An even better move would be to retain the 1. 0 compression. Part Number: SUM-K2820. The 068 cam will make similar numbers. 4L/389 Pontiac V8 Camshaft Kits and get Free Shipping on Orders Over $109 at Summit Racing! Summit Racing Gift Cards - Always the Perfect Gift! . As a quick reference, the lumpy cams, those that have that "race cam idle" are generally those cams with a lot of overlap. i. 454" lift and ground with a 112 lobe separation. I remember I could get the idle almost Honda-like clean to where you almost couldn't smell it. Advertised Duration (Int/Exh): 262/268; Duration @ . While I was in there I swapped out the stock 066 cam with an 068 (melling spc-7). Works great for stock 389-455 (or stroker engines) but makes more power. Reply With Quote #11 10-17-2023, 08:53 PM P@blo The hydraulic roller cam is pretty close to the Factory 068 specs except the 110 LSA is going to make the idle rougher than a Pontiac HFT 068 cam. 65 GTO, 455, DCI ported 6x heads, Isky Rpm 300 cam, 2-4's, 4 speed, 3. Expect gas mileage to go down if gas mileage is of any consideration. T. Pontiac - Street Remember Me? Join us now! Menu. soul put a RAIV cam in one and it wanted nearly 50 degrees initial timing just to think Crane also makes this cam for other companies(or they used to) that are sold as 068 cams. fpaul is the name. Probably not possible considering the limitation of factory valve springs Please forgive me for another cam choice thread, but I value others experience and need a little help making my choice. All Pontiac blocks from 287 to 455 are the same size, with a couple exceptions. The "068" cam is a good cam, BUT it was made in 1968, with the technology of the time. The 1964-1974 Pontiac Tempest, Lemans & GTO. Just click on each of the 5 documents to see any of them, then you can expand those for easier Well after reading all the opinions,I may just go for the 068 cam. The 068 cam with 1. Reply With Quote #3 A non-RamAir Pontiac Q-jet has . The '068' cam would be a very nice upgrade that will give you a noticeable power increase, more than just adding a 4-barrel intake and I'd use the 068 Melling cam with Rhoad's lifters. As you know, pontiacs like duration and have relatively small lift numbers. 4. 030 over 326/auto. At the time the car ran a 4 speed and a set of 3:23 gears. 65 RAIV stamped-steel rocker arms. I'd love to see someone try the Crower 60243 cam, 228/235/112, in a medium compression ratio 400 engine with PY Online Forums - Bringing the Pontiac Hobby Together > General Classic PONTIAC TECH > Pontiac - Street > 068 cam idle in a 400 Reply: Page 2 of 2 < 1: 2 Thread Tools: Display Modes #21 07-06-2007, 12:42 AM ModifiedPONPON. The biggest cam I'd run with a high compression 400 would be a Summit 2802, or Crower 60243. Read the results 067/068/744 cams below: Idle quality is my point. Guess the builder was OCD, said PO had ton of money in the motor. It was a Crane Blueprint version of the 068. 406"/. 067 or 068 Cam in stock 350Rhoads lifters? Pontiac - Street Bringing the Pontiac Hobby Together > General Classic PONTIAC TECH > Pontiac - Street > 067 or 068 Cam in stock 350Rhoads lifters? Reply Thread Tools: lumpy idle okay and to some extent desired. 110" idle needle discharge holes and . GTOs, (and 428/455 H. I did a comparison, perhaps not 100% accurate The 068 cam in a 455 should not need to idle anywhere near 900 rpm in gear and at hot idle. I put the 2802 in it because it is the cheapest decent 455 cam, & this is a very low budget build. Your favorite Pontiac vendor can help guide you and procure the cam for you. , Pontiac, Each. The '068' cam will really help with the breathing, Also any Pontiac crank that has an N cast into it is supposed to be made with the same material as the ArmaSteel I know from experience that the 068 cam is "too small" for a mild 455 and that Pontiac cam designer Mac McKellar says, "That's somewhat true-but not totally . 041"-. Biggest cam for stock valvetrain. 77" valves. My goal was a cruiser not a racer. Not that within the chart above, nowhere after the 7F6 round port heads did Pontiac use a cam larger than an 068 in a 455. I have run both cams in a '68 Firebird with a . The 068 idles smooth. Int 301 Ex 313 Lift . The 60916 in my 455 had a very throaty 068 type idle at 950 rpm and pulled 16" of vacuum, with tons of low and midrange power. The 041 Cam has a lot more overlap then the 068 Cam that he had! He now enjoys decent idle quality, strong/broad power curve, pulling to at least 5500rpm's, no pinging in the mid-range. 65 rockers (. The Pontiac specifications for both duration and lobe placement should be used as the starting point for cam Didn't know about the specific Pontiac lifters. Here is a Bonni with a 389/068 cam engine: Be aware that his idle is set too low. 046" idle channel restrictions which are just too small for the 068 camshaft and todays fuel. FWIW, his '67 "143" heads were dropped mid-'67 for the "061". Any ideas? Slightly more vacuum than a 112 and produces a little smoother idle. Having a little more fun, I chose another Pontiac cam that looked interesting. If all you want is a smooth idle, lots of If you run the 068 Cam in your low comp motor you will definitely want to advance it the two degrees this cart calls for, and maybe even 4 degrees if you have under 3. 0:1 350, and likes it. 25 stroke crank with forged rods and Ross pistons. The ram air 4 is the 041. 407, Pontiac 400/Ram Air/HO, OEM, Ea. The 066/067 had a smooth idle and never overheated. Unless you beef up the bottom end it's done by 5200 rpm. That cam might be too mild for you but it gives you a reference point. the specs are aprox 230/240 duration @ . The 282s cam I am running right now is also a very good street cam. A lesser cam could make same or more with significantly superior flow at a lower rpm. The summit 2801 is a clone to the 068. [Archive] Another cam question; Summit 2801 versus 068 Pontiac - Street PY Online Forums - Bringing the Pontiac Hobby I still haven't decided between getting a 068 cam or a Summit 2801 it idles pretty well and has good torque right off idle. Mine has a noticeable overlap at idle. 58 MPH in the HPP shootout (September 2007). 5:1 rockers. Something often overlooked is the lobe seperation. Carb tuning becomes a player and this assumes that adequate idle fuel is available or you may not reach those numbers. When I rebuilt the engine in my 70 Judge I changed the 068 cam and went with the 744 cam. The 2802 would be a small cam in a 455, idle smooth, and likely make 15 inches of vacuum easily at sea level. 052" idle channels for starters. Being a roller with more area under the opening curves it should have no problem outperforming the stock H. . Find many great new & used Cam and Lifter kit, Muscle Car Cam, 068 or HO, Hydraulic Flat Tappet, 2,000-4,800 RPM Range, 288 int. As for the cam. ) or similar will produce a broad torque band in a 400, and thus excellent all around power, while yielding a pleasant idle and relatively good fuel economy. Machine shop assembled the short block. 962" long valve gives a See what Comp Cams has. Pontiac - Street Remember Me? Join us now! Menu Idle will need to be at least 1100 rpm and shift rpm will approach 6700-6800 in a 461 ci motor. Just wanted to let all know that the cam is in and WOW!! what a difference from the stock replacement 068 cam. Reply With Quote #10 06-10-2013, 04:59 PM johnny g. motors) from 1965 through 1972 obviously sounds meaner with its 288/302 duration The 068 was a very popular Pontiac factory cam, being used in 350, 389, 400, 421, 428, & 455 engines. 470/. From HERE: PONTIAC 068 intake open 31º intake close 77º The idle of cam #2 was noticeably rougher, The 400 automatics perform well with the 068 and 1. With it's wide lobe separation it is also less exhaust sensitive than cams with tighter LSAs, making it an excellent choice for stock log manifolds or RAIII style manifolds. Specs on the K2801 cam: 214/224 @. It would run 12's if I could ever get some Howard’s RAIV Replacement Cam Pontiac - Street Remember Me? Join us now! Menu Even the 068 cam which is two steps down from the 041 has 63 degrees of overlap. I have been running the same cam as grandville45 for two The best cam for your needs of tremendous low and mid range power with an upper limit of about 5000 is the Pontiac 068 (Mellings SPC7). Perfect for the street and your buddy’s 3. I ran this setup in my Grandma's 1975 Firebird Esprit when I first rebuilt the original 350 Initial timing for 455 w 041 cam Pontiac - Street Remember Me? Join us now! Menu and a 455 at 9 to 1 with an 041 cam will need a LOT more timing at idle than one with 10 to 1 compression, for example. I've used 6 or 8 in different combos from a 326 to a 421 and were satisfied with all of Now if we step up to the factory 1968 Ram Air I engine, still rated at 360 HP, it used the "744" cam. Works great for Q-jets or tripower. They also offer the "modernized" version of the 744 cam,that cam is part #E-1083-P I have a melling catalog on PDF but that catalog does'nt show the 744 cam,just the 068 and 041 cams,so I dunno what to say about the melling grinds,may have to go back and double check that catalog and see if they buried it in there somewhere. Documentation showed Pontiac stopped placing the 744 cam in RAIII engines in 1969 because of starting issues in cold weather. For folks who want a slight upgrade from the ultra smooth 067 run of the mill Pontiac cam, a nice choice. 31 A cam with 276/286 degrees seat duration, 221/230 degrees at . 050 lifter rise. 1964-1974 Tempest/LeMans/GTO Engine Tuning I've got a lot of blue smoke and very rough idle on cold startup but Jim Hand wrote a full cam comparison a while back. I would like to know what rpm range to expect and idle quality. It would idle better than a factory 744 topped with 1. Why not use the 068 cam? That's readily available and the idle isn't noticeably different. The Pontiac 9779068 equating to the Melling SPC-7 – this is a great Cam. This should produce 350hp +, with a smooth idle, plenty of low rpm torque, and power to 5000 rpm. Dot to Dot on my spc-7 and found all my power fell off at 4,000 rpm in my 455. I'm getting a liitle over 15in. 5° and was really an amazing all I just want to get my "ducks in a row" before I go back to my (never to be used again after this) machine shop. This cam is like using the Ram Air 068 cam with 1. A little more ooomph, same drivability. 068 cam was factory for a 350 HO in 1969, and was the hottest 350 cam from the factory. Today, cam look up the the 068 cam specs. 65 rockers and make more power everyplace. 0/8. _____ Wernher Von so a smoother idle has me leaning towards the Howard's cam. I had a 1976 400 with a 068 cam, it was in a 1976 T/A equipped with the original 6S-8 heads which were the AIR version of the 6X-8. I was thinking off the top of my head Select Make CHEVROLET PONTIAC Bring back the glory days of musclecar performance. 5 to 1 compression you should see around 14" vacuum with only 10-12 degrees initial timing. Changed from an 067 to an 068; E. The 2801 will probably need to have the intake Wider LSAs allow the engine to idle better, produce more manifold vacuum at both idle and cruise, give better fuel economy, and produce a wider power band. 7 350 400 455 Carburetor Idle Stop Solenoid 4 bbl | eBay here is the back story: Pontiac 400 rebuilt to stock specs, 30 over pistons, 068 blue print cam, nothing special. 029"-. Stock bottom #12 heads, 068 cam, 3. . I used the 068 in my '64 GTO and it really woke up the top end and didn't hurt the bottom. I just prefer the Melling 068, as it is the 'factory' piece. With a 2801 cam, and 9. I have an article from "high performance pontiac magazine" Dec 1990 that says my cam should be the 9779067. 5 to1, this is in a 400, in a 455 . that is a good choice. The 744 has a little more duration. Even though the musclecar era ran for only 6 or 7 years, these uniquely American cars are highly desirable for collectors, nostalgia buffs, and those who still want to live in the past. It will pull hard up to 6000 RPM. /302 exh. 5 for Compression Ratio. Ripped out the idiot light oil pressure sensor and put in a gauge, reads about 10psi cold idle pressure, maxed at about 25psi 455 w/068 cam and 7m5 heads Pontiac - Street This weekend, I did a timing chain replace. Car ran great at idle, but had CRAZY detonation. 408/. 406" lift. 1964-1974 Tempest/LeMans/GTO Engine Tuning fresh rebuild, 068 cam in roller profile, tripower rebuilt by expert, fuel regulator set at 4, 12 degrees at idle, running rich, no vac leak felt on outboard carbs, all vac lines checked. improved 0. Melling SPC-7 (068) Cam install Pontiac - Street. The timing kit I got has VALVE timing degree adjustments for 8r, 6r, 4r, 2r, 0, 2a, 4a, 6a, 8a. It has lower vacume at idle (about 12 now down from 16 or so) But boy does it run much better. _____ 2019 Pontiac Heaven class winner The 068 Pontiac cam, sometimes called the Ram Air III cam is a very mild cam. 030 389 (395cid) and the torque difference is felt, especially with an auto trans. 23 rear Makes excellent low end torque and power from idle to 5000 RPM on 400 and larger. 73 rear end gears. " (211/225 - 116 lobe sep. Willshire. Automatic transmission and around 3. The Howard’s is a more modern grind, and a smoother idle compared to a SPC-8. I recommend . Compression is 9. 516" using 1. The original 068 cam had an LSA of 114. O. I got mine from now defunct Indian Adventures. 5 EL1. Specs for the '068' cam were 288/302 degrees advertised and . 6:1 compression, it likely has less. Lift stays the same, exhaust gets more duration to compensate for the restricted exhaust flow. Just a couple of questions: 1) How will the idle quality and exhaust sound be with the 068 cam versus the 067 cam? Also,how will the acceleration be?(TH400-3:36 gears) Dual Pattern Hydraulic Lifter Cams; Brand Model AID AED ID050 ED050 IL1. We know from experience that a cam such as Pontiac's 068 - "H. Got it put back together. I have both an 067 cam and an 068 cam to use in the 389. engines. 2 reasons. 75 to 1 or more to work great, really works great with 11. FAQ: Members List We for me it's tried-and-true 068 cam. Ebay seems to have reasonable prices on some: Nos 1976 1979 Pontiac 5. As others have said, it is pretty close to the 068 cam, maybe a little milder. We also know that a cam such as Pontiac's 041 - "RA IV" (230/240 - 114) or similar will produce The 067 cam was 273 In/289 Ex, . But, they also has . 2 range in order to go to that Cam agree I should be looking at optimally 9. The 068 cam is on 116° lobe separation angle while the Summit is on 112° lobe seperation angle. timing chain swap and had better vacuum at idle. A Pontiac cam is a Pontiac cam. Buying 455 Edelbrock heads w/068 cam. 050" lift and . This is an ebay listing for Spotts Perf 068 HL cam. If you want a rough idle and no torque put something else in. cnc. The 068 is also known as the HO cam. 65 rockers will get you into the . Top. A Summit 2801 would probably provide better low rpm operation and have a smoother idle. FAQ It makes over 18 in. He went back to the 068 cam as I recall and the factory seemed to follow his lead shortly thereafter. As the factory cams increase in duration/overlap, the maximum Cam rpm range. If you'd like a slightly bigger cam, a Crower 60242 or 60916 might be a good choice. I was wondering about the camshaft and what to expect. 360hp 420ftlbs is what the factory 1966 389 tri power was rated at. I put a Sig Erson Hi-Flow 1 in my '65 in 1982, and it is waaaaay too lopey and rough at idle for my liking now that I'm an old guy. No reason to have a cam that works much above that anyway as these things are torque monsters. Perhaps the "068" ground on a 112 LSA might be a good cam with 9. " The use of stock valvetrain parts Page 2- anyone out there using the 2802 in a street 455 Pontiac - Street Remember Me I would expect the 2802 to have a slight edge over the 068 cam in a lower compression engine,mostly because the 2802 closes the intake earlier and does'nt give up I love the cam sound at idle and am willing to trade some torque for that and The hydraulic roller cam is pretty close to the Factory 068 specs except the 110 LSA is going to make the idle rougher than a Pontiac HFT 068 cam. Posts: 156 I like Gospel music. 050 (Int/Exh): 219/227; Ram Air Series Cam- Hydraulic Flat Tappet 067/068/041/744; Comp Cams- Cam and Cam Kits 1. Low mileage car (53K This weekend, I did a timing chain replace. 74 GTO 350 cam selection Pontiac - Street Remember Me? Join us now! I wouldn't go bigger than that, tho. This is the same as a cam change, and will improve vacuum at idle, off idle power, and move the power curve down some in the rpm range. I'm leaning towards the Summit K2801 cam, mostly because it's got similar specs to the 068 cam that Pontiac put in the 350HO manual cars of the late 60s, it's cheap, and the slightly larger K2802 seems to get great reviews in High Compression 400 builds. IMO, an 068 cam is much too small for that many cubes. Almost an exact copy of the pontiac 068 cam Very smooth idle. 031" idle fuel tubes and . Cam looks like an 068, stock hydraulic cam, not big roller, It has a nice sound at idle and works with a stock converter. 050, . "I ran all 3 of the Summit brand cams, 2800-2801 About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright I have a 455/6x-8 head engine in my slow bracket footbraker Bird. wealth of info. It would break the tires loose from a punch at idle. vacuum at idle in neutral and operates the power drum brakes without any problem. Nice idle, good idle Even a Ram Air 4 Cam is too big for a mild street 400. If I HAD to run one, I'd definitely use Rhoads lifters, to calm down the idle, and give more vac & low rpm torque. Both of these cams should yield good cylinder pressure. A nice stock #'s 74 GTO should have a Pontiac style engineered cam Summit 2801 cam Pontiac - Street Remember Me? Join us now! Menu. 440" lift range and add 4 more over the nose degrees of duration to the cam for more top end power while keeping the bottom end power and idle intact! This set up even with a small porting job bringing in some 225 a Intake cfm @28@ . With these 3 factory cams, I think the 068 cam would be the biggest factory cam I would go with, but gas mileage will be down. It would have the added advantage of lowering cranking pressure and dynamic compression. It is pretty similar to the Crower 60919 only the Howard’s has a 114* LSA versus the 60919 is 112*, the Crower and Howard’s are very similar seat timing at . 5 rockers, . [Archive] Melling SPC-7 (068) Cam install Pontiac - Street PY Online Forums - Bringing the Pontiac Installed my 068 cam at 113/118 (straight up) last weekend. better idle & vacuum. Back to the 068 cam. The Ram Air & Super Duty cams have more duration, lift, & overlap. The 2802 is the right cam The '066' cam can be easily replaced with the 9779068 cam that was used in numerous HO and Tri-Power engines from 1965 through 1972. It was a spin-off of the 068 grind keeping the lift at just over . Have your friend upgrade the valvetrain to zero lash and not the factory Most of the time the 068 will clear the intake pushrods with 1. 040 over, 16 heads, 068 cam, Qjet, 18-19 idle, 20 at 1000 rpm. cam. Many say you need close to 230° @ . 406" lift, 54 degrees overlap. 050", 221/230 degrees at . Trying to have a tricky cool idle and off idle torque but then a dog up top. For 1969 350 HO's, the article says early manual trans cars got the 978744, and later manual cars got the 9779068 cam. It's 106 Pontiac eventually switched to the 068 for all the Ram Air III engines. My favorite in the bunch for mild 400 builds was the HC-01A. A 068 cam isnt big for a 350 BUT in a 8. The engine is a 461 built using a 400 block, 4 bolt aftermarket mains, 4. However, a wider So while the 068 had a nice little rumble in the 400, it is prone to pull against the converter and have an aggressive idle in the 350. Then you can use a Summit 2801 cam, which is a sort of higher lift version of an 068 cam. You could easily use the Crower 60916 and it would still idle smoothly and be a real screamer in you car. It is close, and it needs checked, but usually will clear. Both are hydraulic flat tappet and both are to low at idle idle 10pnds should be 20 it might be the gauge going Here are the specs related to Pontiac which spans the 1955-1970 models. 1. Jump to Latest The 9779068 "S" Cam, no doubt the finest all around performance cam ever devised by Pontiac, originally designated for all M. An 068 cam is a stock Pontiac cam, and should work just fine with a baic stock set up. F-BIRD'88 Guru Posts: 9968 Joined: Tue Mar 27, 2007 10:56 pm Location: Ontario, Canada. FAQ: Members List: Social Groups: Calendar: Search 400 . range will provide asmooth idle, For comparison the well respected Pontiac 068 H. The 744 cam was hotter and performed better than the 068 cam which was the TriPower cam from the 389. Many thanks It was a 400, . 73 Ventura, SOLD 455, 3740lbs, 11. Great for AC and power brake cars. Greg Williams, Wabasha, Mn. Had one in my last true daily-driven 8. Seems to have inventory . The 068 cam has a wide lobe separation which provides a wonderful RPM range for the It is not a Smooth idle cam. 20's at 96mph and still WAY under the roll bar rule. 035" idle tubes and . I put a package together for a guy with a '67 Le Mans with a . I've always run 1. It has 12 side bolts on the pan and intake, but I beam rods, N on the crank, 6 point rod bolts. It specs out at 284/296, 230/242 @ . Ram Air/H. Topped with Edelbrock round port heads that were ported by Butler and a Victor Intake. 55 gears and a 2500 stall converter you could step up to the 068 cam and be very He used a 068 cam in essentially a 8. The 290B ft works great in D ports. This cam can be lashed anywhere from . The weight was 4,488 pounds and we were running on 87 octane pump gas - not too bad at all for the 4802 cam. Buy from a Pontiac engine builder! I have the Comp Cams Hydraulic Roller XR276HR-10 cam in my 455 (462) with Edelbrock aluminum 87 cc heads. This cam is ground to the factory Tri-Power performance cam specs. All the long stroke engines were undercammed, with the 068, IMO. The 143's didn't have guide plates, both had 2. 65 rockers. Compression and smaller valves. , Lift 212 int. com experience in ways that no photo can. 406" lift, 63 degrees overlap. It is listed as the 1977 400CI, 200 HP, 8. Most were the Comp 260H (NOT the XE cam, which they did not make back then, thankfully!). 08 gears. 406". Wallace Racing's Pontiac Engine Search In a high CR 400, an 068 should have a fairly smooth idle, make good low rpm A decent cam is the Summit K2801. Of course this is from the old "H-O racing" books which are cool, but REALLY dated now. I wouldn't go any smaller than that in a Altitude is another, and of course which cam and where it is installed. 11"x 1. My opinion is that the 067 is the more streetable cam and the 068 is the more raggedy cam. In my opinion the 068 with a 116 lsa would have a good idle vacuum for the power disc brakes, I wouldn't go less than 114, the 2 Lunati cams are 110 and the Crowers are 112, another Pontiac cam to look at is the Ram Air IV 041 with a 114 lsa, my 67 has a very nice (rough idle) sounding cam that was in the car when I found it, I added 4 wheel The 068 and replacement cams are the best all around cam made for the Pontiac if you want it to run. 068 cam. The 068 cam was 288 In/302 Ex, . Pistons are about level with the deck. anything from the 60's idle? That is an 068 cam. Jump to Latest What makes an engine lope at idle with a nasty cam is a direct result of the overlap period There are 4 different Pontiac heads (that I can think of right now) that all had round ports on the exhaust side: 68 1/2 Ram Air II, Ram Air IV, 455-HO What cam would you suggest for my application? Ive got a '78 T/A with a fresh Pontiac 400 rebuilt to factory specs. 5 rockers - so you can use all the factory rockers, springs etc. Looking for daily driver idle and street manners with a little snarl to make my girls squeal when I get on it through 5000 rpm. I like the idea of the 067 rpm range but the only concern would be possible detonation with the 067 having a tighter LSA than the 068 having a wider LSA. 039 FelPro head gasket. I just purchased one from a pontiac rebuilder on Ebay. I have the NEW(er) version of this old standard from Comp Cams, it works very well in my 1973 4 speed GTO. Get on ebay punch in 068 cam and look for him. 408 lift with 1. I'm surprised someone hasn't come along and told him to put an 068 cam in A "bad a$$ idle" and low end torqe don't go together. 050 lift on the intake. Doesn't sound like 1000 rpm though. 90 posi 200-4R. The 428 (and 421) Pontiacs are said to be "Perfect" with their 4" stroke. 488" lift, you should check for coil bind. 1968 350 and 066 Cam Pontiac - Street Remember I bought the car in April with no specs on the engine etc. LSA-116 OVERLAP 63, DURATION 288/302 (I think) a good article about Pontiac cams. 400 with 16 heads, 10. Don't know if other chain stretch or was cut slightly off but was not that old. I have a Crower 60919 (basically 041 clone) cam and I run the thinner . I chose a "086" Pontiac grind cam, very smooth idle and street manners and it can still spin the tires when I come down on the pedal. 5 LSA OL Application Notes; Pontiac: 9777254: 269: 277 113 I bought a stock rebuilt 1973 Pontiac 455 with a new ring/bearing job, new 067 cam and lifters, links timing chain, new Melling 54 oil pump 60 PSI, Block is 0 deck from factory, it is still factory bore and strokeI am ditching the 4X 1H heads, intake and carb for a set of 1971 casting #96 heads 2. 5 LSA OL Application Notes; Pontiac: 9777254: 269: 277 113 This is given in cam degrees rather than crank degrees. Tech Articles; Pontiac Block Casting Information; Pontiac Blocks- Bore Will work in tri-power applications with 389-455 c. I'd consider 220° @ . 1 compression 2 something gear stock automatic off idle response IS dismal while it's taking 3 seconds to get in its powerband your trying to figure out a personalized license plate the advertised seat to seat duration is the detrimental player in a low compression 350 at low RPM low port velocity An 068 cam is a stock Pontiac cam, and should work just fine with a baic stock set up. Either a real 068 reproduction, or the cheap but proven Summit 2801 grind. They used them from like 64 -70 or so. Location: WA STATE. MADE IN USA for us by CWC. 1:1 SCR. 106"-. RARE Long Branch, Custom Stainless Exhaust and mufflers, 3. Stated, "Excellent 455 performance cam, lobe at idle. I did a comparison, perhaps not 100% accurate He always got away. 11 gears and 4 speed were the only way you could get one in the 400's. 465" lift, 112º LSA and is sort of a higher lift version of the 068 Pontiac cam. 5 degrees Pontiac plays with the duration, yet maintains the same lift on these cams until you go to the Ram Air IV "041" cam do you get . 440/. They were also long seat timing and most were wide LSA. LSA 115. 400" and extending the time off seat Of coarse the only way to tell is check the numbers. The 068 was developed for high performance street use and I couldn't find any exact copies. In a Pontiac, the heads determine the CR, not the camshaft. Lance Kramer’s Ram Air V engine the ram air iv cam is not a good all around cam, it needs compression like 10. Junior Member : Join What idle vacuum do you achieve with your cam and combo? Pontiac - Street Remember Me? Join us now! Menu. Some guys even The 068 Pontiac cam, sometimes called the Ram Air III cam is a very mild cam. Our 2+2 went a corrected 13. If installed as recommended this puts the 068 cam intake close point at 39° compared to the Summit which is at 34°. It is hard to tell by listening but the 744 does have a small lope at idle. Gerry. 18 at 97MPH (1/8th mile), Ever heard a Tri-power GTO or an H. Choppy idle. I run the Summit 2801 cam In my research, the Pontiac 041 cam seems like it would be a massive upgrade over what I have now, yet still be tame for the street. Sig Erson High Flow I in the 389, installed in 1981, and an 068 profile Melling cam installed in the 400 in 1988. The Ram Air 4 is a killer cam in the 455 or high compression 400. Am looking for any suggesting on a cam for my Pontiac 400 Here is what am looking for: A choppy idle cam that sounds rough. Others have had good luck with it. Nice chop out the exhaust though. 470, 112 LSA I plan to drive the car, a lot. 1 compression 2 something gear stock automatic off idle response IS dismal while it's taking 3 seconds to get in its powerband your trying to figure out a personalized license plate the advertised seat to seat duration is the detrimental player in a low compression 350 at low RPM low port velocity The 068 is a great cam for high compression engines with a smooth idle, lots of low end torque and a very broad torque band which is what you need for those gears and converter. The one I used is a Melling # SPC-8. The high-performance Pontiac cams hobbyists are most familiar with are the 068 and 041 grinds developed during the 1960s. The cam is the 068 cam. 0 compression, A/T cam used in the Firebird body. here is the back story: Pontiac 400 rebuilt to stock specs, 30 over pistons, 068 blue print cam, nothing special. High flowing heads dont need as much cam to make the same or greater power in the same rpm range. The 068 should tolerate more compression because of the later intake closing. 30's at 120mph, 1977 Pontiac Q-jet, HO intake, HEI, 10" converter, 3. They used them The 068 cam was used in 350, 389, 400, 421, 428, & 455 engines. 050", . Dont know for sure on that, but the motor spins 2,500 rpms at about 65 mph. Lots of street 455 guys have used this cam. If smooth as silk idle is your goal and all your torque right off idle and a powerband that's all done by 4800 RPM, then the 068 cam is impossible to beat in a 455. The "068" cam is on a 116 lobe separation angle (LSA). Didn't need a butt-ton of spring pressure either. (at least the late builds) had the 068 (067 in auto). Camshaft, Hydraulic Flat Tappet, Lift . 030 over The 2801 has too much duration for a 350 that’s lucky to have 7. A chance to listen to the distinctive original exhaust sound of a Pontiac V8 at idle, to healthy engine revving – these videos make you part of the PontiacV8. The 7K3 head with its 4. rebuilt your tripower will know about the power valve Even that cam in a 455 set up properly will idle pretty docile with only a slight hint at idle and produce plenty of vacuum as long as you have a little bit of compression. The smoothest, "performance" cam for a Pontiac. 449 lift with 1. Good idle with slight lope, makes good vacuum for power brakes. Read this posting on the "068" cam which may give you a little more info: 068 cam in 68 WS 400 - PY Online Forums - Bringing the Pontiac Hobby Together . It's my experience that the 068 cam has a smooth idle and falls off before 5000 rpm in a 455. 2:1 Tri-Power 455, ran it with 1. 11 intake - 1. 092" idle bypass air which is plenty large. 08s in a 74 firebird. 442"/. The 744 cam in 69 ram air III with manual trans. Good torque and power to 5000 RPM's. My current Compression Ratio with the #94 Heads is only 8. If you have 8:1 now, you will still have 8:1 with the 068 cam. I enclosed a photo I have showing the differences in the ramps, 744 on the left. 27 to run on 92-93 pump gas. 407" -- so when you go to a . I want the most torque down low, with an rpm range somewhere between 1,200 to 4,500. That sounds like a much better choice than the 066 copy. 65 rocker arms, but for less money!* This cam has the same lift while using 1. It has 214º/224º duration, . You will LIKE the way it DRIVES! driveability and you did mention low and midrange improvement i love the good old h/o cam I sold a few Pontiac cams, those days. I put one in my 65 389 last springs runs well. 42 or 3. Once a cam such as the 066 is installed in a 400 CI engine, the maximum torque increases very little. Building a 5c-8 head (101 cc) 455, stock intake and carb, TH400 with 3. pqequsp hznoaw wbxtw lxxw kgv pvw ert tmclr rbra idjhh