Quote:
Originally Posted by JANNETTYRACING
Your Welcome, He will need a copy of HPtuners and the Blue Cat tool or EFI Live to create a virtual VE.
There is No fuel in the Coefficient tables above 1.2 Bar so you have to carry that out and fine tune it when adding a 3 bar MAP
The distance between the MAF and the intake valve is Longer with a Whipple, and there is a lot more (What we Call) Plenum Volume because of it's size.
So the Motor takes a gulp of Air with NO Fuel to Cover the HOLE before the MAF Sees it.
The Further the MAF is from the intake valve the worse this problem gets.
Remember Air flows Like a Slinky.
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So Ted, what you suggested might be a plausible explain ion for the Lean spot hes getting, but what explains the boost spike, as far as I know the MAP values we read are simply lookup values for the voltage using the inputed 0-5v MAP voltage slope.
So im thinking your idea could solve the Lean AFR which is a symptom associated with the spike, but not solve the original problem, which is the boost spike.