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Discussion Starter · #1 ·
1972 GMC pick up truck long wheelbase. 308 rear gear, 350 turbo transmission with a shift kit, and a 1900 stall. The engine is a 350 with flat top pistons, 272/454 cam, Holley contender intake, 650 Holley carb. I have a K&N air filter, and headers. I really don't like the sound I get out of this engine. I know I like the 280/480 comp sound. I want this truck to go a little faster too. I'm gettining 373 gears. If I put a 280/480 cam in the engine will this work to make the truck faster, and sound better. Any ideas would be appreciated.
 

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Killer has a logical point. A 15" rim is a start but how wide it is will determine how tall the 275/60's will stand. On an 8" rim they will be shorter than on a 6" rim. Small details make the difference especially during your 60ft times on the track.
 

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Discussion Starter · #9 ·
I wish someone would just pick out a cam that they've used before in something similar to what I got. When I look in Jegs, or Summit, how they list Comp, Crane, and Lunatti differently. I just want this engine to make more horsepower than what it is with a cam change.

I forgot to say what kind of heads I have. They're 67 cc straight plug Pro Topline Heads.
 
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