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For myself I went with a manual tune just for the ease of wiring in things like a clutch pedal position sensor, and removing it's easier to remove a lot of junk diagnostics that comes with a auto...

You should also look up the 3 wire install videos on youtube , they show a cable driven LQ4 but its essentially the same just you have an extra module to wire ignition voltage to. Simplified...

When I first started my LQ4 swap I only had PCM, throttle body and harness. The guy who stripped the truck forgot about the pedal and the module in between pedal and PCM. Cost me more than the LS6...

Depending on the year don't forget about the Throttle Actuator Control Module (TAC) and the Accelerator Pedal w/ sensor. If it's 02 or earlier good chance it was Cable Driven throttle body and you...

I also figured out which PID's I need for an analog WBO2, I'll just have to modify the calculation for what it determines Stoich is.
I have my Maps ready for doing my first Calc.VET log. One quick...

So the 03 Corvette is a LS1 with a DBW setup? That's good to know just in case. I just modified the truck pedal yesterday to fit in the car with the APP, I decided to stick to DBW for simplicity.

Ok my biggest worry was screwing with the ETC with using a Vette calibration not sure if they used DBW, and messing up my OBDII because the 03 uses that single green from the PCM for the...

Hey guys, I have a LQ4 that I've modded and swapped into a 90' IROC. The motor, PCM and harness are all out of a 2003 truck w/ a 4l80E.
I'm using a T56 manual transmission but can't find a tune file...