Engine swap from 1991 to 1997

Asked by Jon Aug 05, 2023 at 08:49 PM about the Chevrolet C/K 1500

Question type: Maintenance & Repair

Will a 1991 5.7 L fit into a 1997 5.7 L without
much headache

3 Answers
310,565

Gene answered about a year ago

It is electronically incompatible with the 1997 vehicle it will be a nightmare to get it to work.

Mark helpful
157,855

James answered about a year ago

Yes, the 1991 model is OBD I and the 1997 is OBD II. They're completely different systems that are not compatible with each other at all. Hope that helps! Jim

Mark helpful
19,575

Jason answered about a year ago

block could work... you will neeed to swap over your existing electronic engine controls to function.

Mark helpful

Your Answer:

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