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Old 07-29-2022, 08:10 PM   #2
LT1ornothing

 
Drives: 2020 LT1 M6
Join Date: Jan 2016
Location: South, the DEEP south
Posts: 1,114
Quote:
Originally Posted by WiggyB View Post
So my goal was to reach 600rwhp without changing anything out. So I was able to hit 604rwhp just bolt on even though I had to add meth with the Procharger.

Now I could get a lot higher in the 600's if I did just swap out the high side LT4 fueling but I believe I'm good where I'm at. I'm not racing or anything like that so no need to push it any further. There is a catch where my shift point has to be no higher than 6200 - 6400k because once it hits 6700 and above the factory fueling will fall flat. At that point as it will be all meth beyond that. The way I baby the car no need to even be concerned with that I may have redlined it like 3 times since I've had it.

What is cool on the addition of meth is the torque numbers. The pulls will be nice and strong to accompany the extra 40rwhp to go along with it. I also have to add that I went from 6.5 to 8lb of boost also. Very satisfying numbers if I must say so myself.

The top dyno sheet was after the Procharger was installed and the bottom was after the pully change and meth addition.
Your build further motivates me to do the complete LT4 fuel system upgrade before I put the blower on. Something about running E60, no meth, and low boost, thats gives me piece of mind revving out all the way to the OEM fuel cutoff on E60 fuel.
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