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Old 07-28-2022, 12:19 PM   #25
BeauRichardson
 
Drives: 2019 Chevrolet Camaro SS
Join Date: Apr 2021
Location: 405
Posts: 157
Quote:
Originally Posted by KingLT1 View Post
LT4 fuel system isn't going to keep up @ .77 lambda @ E75+ @ 12+ psi. It's too rich and not enough fuel system.

Probably be mixing E60 @ .82 lambda for the fuel system to keep up.

I have tuned several of these cars now...so I have a idea in what these will tolerate.

Drop the e content to 60% and make sure you add the fuel pressures to your channels before next log.
Okay, so get it to e60, and it should start acting a little better besides the fact that i also could have a bad tune, and make sure i’m logging the ethanol percent and fuel pressures. gotcha.

So what will help my fuel system aside from getting new injectors, big bore high side, etc?

It’s been rainy here so i’m not going to be able to log today, or at least make a log that’s really going to show it under high rpm, wot. Hopefully tomorrow evening it’ll be good but they’re predicting rain for the rest of the week into next week. I’ll be sure to post a log ASAP though. Turn on notifications for this thread so you can take a look at it if you don’t mind
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