txturbogs

So I finished installing a MD, DP, wideband, and Pettit Racing ECU. The car has a Greddy stock mount IC, Greddy intake, pullies, etc. I thought that I was screwed and that I woul dneed to limit the boost to 12psi, but apparently not. My AFRs read 10.9-11.2 at 14-15psi all the way to redline. I only need to complete my non-sequential setup and I should be set. I am happy. Those are good AFRs, right? Thanks

cewrx7r1

iTrader: (2)

Ok!

matty

**** thats better than what the "worlds best rotary tuners" are getting. the propaganda that runs around this forum is just awful.

dont.....dont.....dont believe the hype.

djseven

iTrader: (56)

I have seen a lot of fds blow up running that ecu without some type of boost restriction. Please understand what type of injector duty cycles you are running with that setup. There is no way at above 90% you are getting any type of consistent injection. Believe me if you want or not but it wont last long at anything above 13psi. Its even on the line at that.

txturbogs

Would I be able to control 4 850cc injectors with the Pettit ECU or do I need a PFC or other fuel controller? Pump?

Oh, I am at 3500ft of elevation.

afterburn27

iTrader: (5)

All of the chipped stock ECU's (pettit included) are limited to the stock fuel injectors. Once you upgrade the injectors you need a stand-alone ECU such as the power fc.

txturbogs

Hmmmm....damn....OK....thanks for the info.

turBRO240

iTrader: (1)

wow... nice AFRs

for street... 10.8-11.5 is PERFECT

jacobcartmill

iTrader: (6)

you're out of injector and something bad will happen soon.

txturbogs

OK, I better slow down then. Thanks...so 13 psi tops. Much appreciated.