92 tbi vs 93 tbi
02-05-2016, 08:44 PM
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Car: 97 Z71 Extended Cab
Engine: 5.7 Vortec
Transmission: 4L60E
Axle/Gears: 3:42
92 tbi vs 93 tbi
This is not a 3rd Gen, but, thought I mite get a question answered. I have a 93 GMC truck equipped with a 6.2 diesel &4L60E. I am swapping in a Vortec headed 350 with LT1 cam.I am gonna use the TBI system from a 92 GMC truck equipped with 350/700R4. The ecm in my 93 only controls the 4L60E & EGR function through the TPS. The service # is the same as the ecm from a 93 350 equipped truck.Am I correct to assume that I can retain the ecm in my 93 using a PROM from a 93 350 equipped truck?The 92 ecm from the donor truck will not control the 4L60E. I'm also being told that the instrument cluster will need to be swapped.Are the 92/93 clusters interchangeable?
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