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5.3 T56 cam for ~350whp

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Old 10-24-2018, 10:55 AM
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arthursc2, so I may pick up a little WHP over you with my smaller tires (27"), transmission (manual vs auto), and 2wd vs 4x4... wonder how much that would add up to
Old 10-24-2018, 11:19 AM
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I would go with the larger cam in this case. Had an '85 S15 Jimmy bone stock smog motor 350 auto except shift kit, shorty's, Comp 274 and a 125 shot ran 7.90. It was sooo much fun!
Old 10-24-2018, 11:20 AM
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Im not sure. In 2wd, the t case is straight through, maybe 4 bearings spinning so I cant imagine that 2 vs 4wd is worth but 6-8hp, max. Smaller tires will help for sure. Manual will help for sure.

For the sake of bench racing, my truck is rated at 285 from the factory. Its baseline dyno without a clutch fan and with a K&N intake it made 204whp. So, I am burning 80hp from the flywheel to the wheels.
Old 11-23-2018, 06:13 PM
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Originally Posted by arthursc2
the 212/218 .550 with an NBS intake, full 3.5" exhaust, 4" intake, 862s, 91 tune, e fans; etc got me to 302whp. I think you'll be disappointed with the stage 2 212/218.
you have similar mods. I would thought that would made more at the wheels
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