[Diy_efi] 7727 With Mild 6 - 8 PSI Blower...???

[Doug Dayson]

Hi all...

I've been talking with some who are successfully running mild 6 - 8 PSI
Intercooled Blowers on mostly stock LT1's with 1 BAR MAP's. I'm hoping to
try the same with the 727/L98  combo in my 91 Z07 Vette. Since this is
with a stock cast bottom end, I realize that perfect charge temps, spark,
and fuel are required for reliability!

They're tuning the "PE" and "Percent of TPS to enable PE" values, and the
"WOT Fuel and Spark" for Boost conditions.
Also, the "Injector Constant and Offset" for bigger injectors and
upgraded fuel pump too.

I've learned that meaningful boost only happens at roughly 80% TPS and
up, so then the above seems like a good way to eliminate the FMU?

I was wondering if anyone here has any experience with this concept, and
hoping they could give me a more detailed explanation/advice, or point me
at the relevant archives...

Thanks...

Doug


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