tune out vats ?

**davydman** · 12-06-2009, 04:59 PM

i have a 96 LT4 i would like to tune off vats and cags. i also have two LS1 cars i would like to do the same with. is there software that will do both LT and LS cars or do i have to buy two tuners? what tuner works best for doing this? thanks

**0rion** · 12-06-2009, 10:53 PM

I don't think you can turn off vats on the LS1 cars in the pcm. The LS2 cars and beyond you can but I'm pretty sure you can't on the LS1 cars. You can bypass it with a resistor which is cheap/easy. Read the stickies in the general help section. Maybe frost will chime in and correct me if I'm wrong but I tried to turn vats off on my 98 a few years ago and even though there's an option for it changing it made no difference. Maybe I missed a step though.

**Frost** · 12-07-2009, 10:40 AM

There are two parts to doing it in an F-body. You can turn off the fuel shutoff in the PCM, but the BCM will look for the resistor match in the key still before turning the starter over. You have to jump around the BCM; it's purple wire out goes to the starter. You need to pass things along from the column switch to here.

**0rion** · 12-07-2009, 11:35 AM

seems easier to just bypass it altogether with a resistor.

**davydman** · 12-08-2009, 01:44 PM

thanks a lot for the info im thinking the resister is the way to go with this one. thanks for the help.

**JwMonE99** · 12-09-2009, 04:44 AM

http://allobd.com/proddetail.asp?prod=JET-14005 does both LTX and LSX

**0rion** · 12-09-2009, 11:30 AM

Originally Posted by JwMonE99

http://allobd.com/proddetail.asp?prod=JET-14005 does both LTX and LSX

I would like to try that tuner out or at least see it in person. I know Jet bought that or sells it for tunercat which used to have a very good reputation in the LT days. Not sure what their OBD2 stuff looks like.