LTX and LSX Putting LT1s, LS1s, and their variants into Third Gens is becoming more popular. This board is for those who are doing and have done the swaps so they can discuss all of their technical aspects including repairs, swap info, and performance upgrades.

VATS Bypass

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Old May 26, 2006 | 08:27 AM
  #1  
dtsfanatic's Avatar
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From: Omaha,NE
Car: 1987 Trans Am
Engine: LT1
Transmission: 4L60E
VATS Bypass

Quick question guys. I know for the fbody cars that you can get a VATS bypass module or defeat it in other ways, however I am using the PCM and wiring harness from a corvette. Does the same work on the vette setup, or do i have to have it turned off in the PCM?
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Old May 26, 2006 | 09:11 PM
  #2  
Firebat's Avatar
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its best to have it turned off with a pcm tune. You'll probably need a tune anyway if you throw away egr, and that emissions crap. Should be the same as f-body.
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Old May 27, 2006 | 06:18 PM
  #3  
Coach Hawk's Avatar
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From: Evansville, Wisconsin
Car: 91' Pontiac Firebird
Engine: LT1
Transmission: 4L60E
Yes, it should work on the Vette PCM, but like Firebat said, if your getting a tune anyway(which you should), you can just have it turned off then.
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Old May 27, 2006 | 08:03 PM
  #4  
dtsfanatic's Avatar
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From: Omaha,NE
Car: 1987 Trans Am
Engine: LT1
Transmission: 4L60E
Thanks for the replys guys. I think tomorrow I'm going to take the wiring harness off the engine and send it and the PCM to 350lt1. I've heard good things about this company. I looked at the wiring today using the LT1 wiring for dummies tread and found that the wiring colors and pinouts do not match the fbody harness. So I think the best thing to do is send it out and get a tune at the same time. I hope they do a good job, I've just about got everything else hooked up and ready to go. Can't wait to hear it run.
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