Re: 400 rwhp and 20+ mpg?
Nitrous? Turbo?
I have a 5.3 turbo 500 hp to the rear wheels with a T56, bout as close as you are going to get. I can push 18ish.
I guess I can work on the tune and maybe squeeze anther one out of it but it is tough.
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Dave
1968 Custom Chevy with turbo charged 5.3 gen III 4l80e swap
1967-71 GMC 3/4 ton long step 4x4 (not sure what year exactly?)
"A good friend will bail you out of jail...but a true friend will be sitting next to you saying "that was frekin awesome".
"If it doesn't fit force it...If it breaks then it needed to be replaced anyway!"
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