Chevy 97

Asked by Mar 06, 2017 at 10:27 PM about the 1997 Chevrolet C/K 1500 Silverado Extended Cab LB 4WD

Question type: General

I have a 97 5.7 vortec just got a great deal on a 93
5.7 not vortec I'm getting motor and tranny what
do I need to change to make it work I'm okay with it  
not being vortec

1 Answer

73,845

You would need to change the wiring harness, and the ECU, and the TCM. It has to be wired for that engine. The '97 5.7L runs off of a OBDII computer, and the '93 set-up runs off of a OBD1 computer. Expect a lot of head-aches. No guarantee the gauges will work.

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