Quote:
Originally Posted by IneedAZ
Guess I will go out on a limb and say 610-615rwhp now.
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Lol.. it's hard to put a number on it when the fuel system is the hold back. I saw 700 but at the expense of dropping
500 psi even though afr was perfect. You cant tune the cars on good afr's only like you can on the LS.
If I remember on the 2650 eforce I was about 650 with stock TB, then I did the 103 got to 667 something I think. Then a good cold air got me to 701 how ever the fuel pressure dropped 500 psi but afr was still perfect.. that would be ok on a LS but not the LT platform.
I see this blowef making 680 easy.. with TB and headers 720s but the fuel pressure could be a problem..
I want to say another problem are tbe valves or needs a better cam, that became a bottle knock for me like the intake did.
Let's say I made 700 with low fuel pressure, then we did the cam and heads I picked up 800 to the wheels with same pulley combo but however 800 seems pretty high for 93 octane. So then we started tuning on e85 and got to 867 in hot temp and 887 in warm temps and again back out of fuel.
Everybody waiting!