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Or a bigger blower or a ported blower..
Sent mine to kongs picked up 3 lbs probably and definitely had to pulley down from 9.2 lower and 3.0 upper to running a 8.3 and 3.5 now making same hp. I would be making more but I'm outta rail pressure. 2650 on all e85 no meth.
A oem 1.7 is fitted with 7.785 lower and 2.5 upper I believe, most go to a 9.2 lower and leave the upper alone.
So you can see I'm barely turning mine now and iats dropped 40 plus degrees.
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Kong Ported 2650, Crawford Racing Port Injection, Weapon X 112mm Adapter, NW112mm TB, Livernois Ported LT4 Heads, Lingenfelter GT32 stealth cam, Haltech Elite, and Carbon by Trufiber |