Quote:
Originally Posted by 7WSM
I would like to see what you based this off of. You would be lucky to make 10RWHP with a TB on most cars.
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Its an 87mm ID opening on stock throttle body ported to who knows what on his. Snout opening on Whipple is 109mm reduced to either 90 or 102 with an adapter plate. A 4" intake is also 102mm ID. Therefore he has a restriction period.
Whipple has tested the blower on a bone stock ZL1 and saw 3" on vacuum because of throttle body. They said expect about 25rwhp all other things equal.
This really is not new mind blowing stuff here. Ported/bigger throttle bodies don't work well on centri cars because the air is pushed through the opening not sucked like on roots/PD blowers. The centri blowers care not about the size. A larger throttle body would absolutely benefit his setup especially at his power levels.
Additionally the NW 102mm is not $7-800 it's $650 at list price. I got mine slightly used for $450 shipped which is only $75 more than the Tony Mamo that everyone loves.