Yeah, I believe you need 2 files: latest "Trinity Crom", and then the appropriate incremental update crom (u71xx, where u71xx is the Predator hardware model number for your vehicle, which for an '06 GTO is U7191?).

Thank you Mike.

FYI, per my above post, I was getting some weird periodic TMSPK retard as well as what appeared to be a slow left front O2 sensor. I had a LC-1 wideband in the left rear O2 position showing consistently lean AFR. The left bank LTFT was slow and mostly negative as well. So I put the ...

...okayyyyy...guess I'll head over to the EFILive forums....

Hi, long time DS listener, first time poster :D

Got a couple questions after using a Trinity on my 2010 Camaro SS with LS3 engine and manual trans the past few days:

1. According to my logs, with either the 91 or 93 tunes, Spark Advance seems to "pulse" downward as Torque Management Spark Retard ...