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Old 04-03-2018, 09:49 PM   #15
toohighpsi
 
Drives: 2015 C7 Z06 M7
Join Date: Dec 2012
Location: So-Cal
Posts: 665
WOW - Nice numbers!
We I believe we ran a 9.5" lower and a 70mm upper to make 20psi on Mike's 1009HP 427ci LT1. Since you are stock displacement and probably smaller cam you'll need less. What pulley combination are you currently running?
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Old 04-04-2018, 01:06 PM   #16
ShizzySupra
 
Drives: 16' Camaro 2SS
Join Date: Sep 2015
Location: Oregon
Posts: 381
Curious to what Mikes will make in the car on a chassis dyno once it's all buttoned back up. I know if we did a 6th gear pull I would be closer to 850whp.

I believe my pulley combo is a 3.0 GripTec Upper with a +18% lower. Cam is a 226/240, .630/.615 118+4, +32% fuel

Quote:
Originally Posted by toohighpsi View Post
WOW - Nice numbers!
We I believe we ran a 9.5" lower and a 70mm upper to make 20psi on Mike's 1009HP 427ci LT1. Since you are stock displacement and probably smaller cam you'll need less. What pulley combination are you currently running?
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993whp Magnuson 2.3R
9.5 @ 145, Magnuson 2300, Full Weight 2SS, 17’s (810whp)
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