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I recently installed two Aeromotive 340s (replaced a single Racetronix 255) and I have a boost-referenced return style regulator on the rail. The...

Can literally be 20 things. Going to have to post tune and log.

it still has some ping at lockup in OD in the 1600 rpm range but not to worried about that

Man.. I been out of the tuning game too long now. XD

This LS3 knock sensor (PN 12623730) is used on many different vehicles. Scroll down to Vehicle Fitment to see all the models it is used on. ...

audible knock ? post a log maybe someone finds something in ti

What?! https://www.hptuners.com/my-account/tunerepository/

Very Nice!

If you haven't already, jack the car up and put the rear on stands or up on a lift (not sure what you have access to), start the car and have someone...

As mentioned I will be running a charcoal canister ( vapor trapper ) I agree that?s part of the equation but only half. I also want to eliminate the...

https://forum.hptuners.com/showthread.php?107464-Gen-3-VE-Tuning Post #2 i talk about fuel trim tuning. Its a bit dated but it covers most of it...

5.1.4654 able to read ECM file, but still fails checksum... OS: SR3A-14C204-AEC #499154

Heres 2 versions of your tune put into either MAF only or SD. Like alvin said, If its running MAF, then log in MAF only and see where youre rich....

You need to take the compliance training in order to get that unlocked. https://www.hptuners.com/emissions/

So far I've seen it's just with vehicles running the Global E99. So the C8s & Eray, the CT5Vs, the CT4Vs, and the Escalade V.

It looks decent. The TPS and APP are correct. Timing wise, looks close to stock Trans settings based on how long the shift takes and the amount of...

It's really pretty hard to hurt a NA engine unless its black smoking rich or audibly knocking hard.

Since this is setup in MAF you would find the spot in the MAF table and lower the numbers to take fuel away.

Do you have a log? Is it downshifting once throttle is pressed or to not stall the engine?

I belive what Alvin is saying is be 100% sure of your injector data before you start changing your airflow tables. If everything was correct...

Did it read the tune originally? Is the scanner function working?

Contact Hptuners, theyre more likely to be able to help

Are the new injectors a different flow rate?

If you trust your proposed tuner enough to have him tune it, send the log to him. If he doesn't like what he sees, he should be able to send some...

Hi, I'm Jon. I do structural engineering, but I also have a history of mechanical engineering & prototype design, and a bit of racecar/drift car...

Just consider it part of his "free apprenticeship". https://forum.hptuners.com/showthread.php?116524-Free-Apprenticeship-offeed