roller cam vs. big flat tappet cam
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Joined: Nov 2002
Posts: 382
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From: Boise, ID
Car: 90 Camaro RS
Engine: 6.3L 383 V8
Transmission: 700R4
roller cam vs. big flat tappet cam
Well I got my engine from the shop the other day. Found out that they lost my cam, lifters, retainers, lifter baffle, timing set up, etc. More than likely, I will be the one paying for it. The engine is an oem roller motor. Question is: should I go with a smaller hydraulic roller or a large hydraulic flat tappet? Which one will give more HP? Engine is for street use, needs vacuum. Money is a factor.
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From: Mercedes Norte, Heredia, Costa Rica
Car: 1984 Z28 Hardtop
Engine: 383 Carb
Transmission: 4L60
Axle/Gears: 3.54 Dana 44
The good news is you might be able to find used factory roller parts. With a flat tappet cam you'd be stuck buying new lifters.
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