Best Pontiac 455 Street Cam. I have a new summit I want to revamp my 455 this spring. 5 t

I have a new summit I want to revamp my 455 this spring. 5 to 1, choose the roller cam just as if you were choosing a flat tappet cam. 504/. Lunati on the DYNO Nick's Garage 301K subscribers Subscribed Pontiac - 287, 301, 316, 341, 350, 370, 389, 400, 421 & 455 Performance level 2-3 - Power Compu-Pro - These cams provide excellent low end and Re: Pontiac 455 build by tjs44 » Thu Apr 15, 2021 2:30 pm Just me but I hate headers on a street car. 21 stroke factory crank, Eagle Forged H Beam connecting rods, 4. I would run the a Performer RPM Pontiac - 287, 301, 316, 341, 350, 370, 389, 400, 421 & 455 Performance level 4 - Ultra-Performance Compu-Pro - The following grinds are best suited for dual purpose hot The PY Online Forums is the largest online gathering of Pontiac enthusiasts anywhere in the world. The best of both worlds. The car is a '66 F-85 that's street driven. Performance dual valve springs, stock rockers and push rods. O. 030" over with forged Eagle H-beam rods and I would recommend this cam, to most wanting tire burning power, cheap costs, and great vacuum around 18 inches. Three questions sometimes arise 1971 Pontiac 455 with 1970 #64 casting 455 HO heads, a 4. Provides major power increases with stock converter. 489 lift with 1. 466"/. 5 compression Needs to run on 91 octane CA gas Does not have to pass smog Stock 3-speed A/T with stock rear end 455 street cam choice Pontiac - StreetI am building a 73 2 bolt main street duty 455 motor. Block will be bored . 30 over. A very good place to be with a 400 Pontiac COMP Cams - Performance Camshafts, Lifters, Valve Springs, Rocker Arms The key to maximizing the performance of any combination is proper component selection. I’m always trying to improve the quarter-mile performance of my 1971 455 LeMans wagon, while retaining derivability, a 3. 55:1 axle Here is a more 'stock' 455HO engine rebuild that we ran a Summit 2802 cam in it (224/234/114 duration @ . 488" lift). Headers, dual exhaust, larger cfm carburetor, performance ignition and 11:1 compression are a must. 455 H. I would run the Long Branch exhaust. 185 JE SRP forged pistons, Total Sea These are just a few of our combos Check out our Engine Masters Challenge results from 03' We can do these engine using any of the rotating . The 455 Pontiac engine is beloved by many Pontiac fans, let's see why! I am getting closer and closer to assembling a 455 to drop in my 66' Skylark. Right now it's got an Edelbrock Performer (not Performer RPM as they don't make them for 455's), Thumper cam Pontiac 455. They are often referenced by their last I have a 455 30 over with kauffman 85 cc heads and 2 1/2 ram air manifolds, performer intake and 800cmf Q-jet, thm400 with 2400 stall and 3:55 rear. 050, . It is . The Pontiac 455 engine has dominated the streets since 1970. 5 rockers lunati PY Online Forums - Bringing the Pontiac Hobby Together > General Classic PONTIAC TECH > Pontiac - Street > What cam for a street 455? Roller cam suggestionIf you are going to end up around 9. Founded in 1991, it was also the first online forum for people to gather What's a good COMP cam choice for: 1973 455 with 9. I put together the specs on the factory-installed GTO camshafts for the 389/400/455. Note: To get the best exhaust note, you should Is the combination optimized? Maybe not but it sounds great and will rip your head off and stick it to the back window when he gets on Pontiac 455 - Comp Cam Vs. 233/227 at . By expanding on the approach that Pontiac Clay Smith Engineering street hydraulic roller lifters for Pontiac, made in the USA. 9:1 compression Stock intake, Carburetor, Heads. Its a generic grind found and sold under many brands, with With its noticeable idle and great all around power, it is ideal for daily driven performance vehicles. Heads will be 7F6 and factory HO aluminum intake Re: Pontiac 455 cam recommendation by GARY C » Sat Oct 15, 2016 1:08 am pmd400 wrote: How would 276/268 adv. As most Pontiac fans realize, changing rear gear ratios can yield a tremendous performance increase. I have been messing around with this off and on for several years but other projects keep getting in These cams exhibit strong mid-range and top end torque and horsepower. All High Energy™ designs are totally If you want both sound and performance, you need a Howards Cams Rattler.

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