I'm rebuilding a 1987 Oldsmobile 98!!! But instead of going back with the 3800 I want to go with a 5.3l fwd from a impala!!! Any inputs on this are most welcome. Any installation wisdom welcome

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Asked by Nov 16, 2015 at 04:27 PM about the 1987 Oldsmobile Eighty-Eight

Question type: Car Customization

4 Answers

67,415

Are you planning on transferring the electronics? An '87 model is OBD I. A '96 and newer engine is OBD II. Completely different computer systems. HTH. -Jim

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Yes going to change the computer and wire harness was wondering about the motor mounts and if I will have to cut the fire wall

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Hoping that I will only have to change the electronics

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And what about axles and transmission

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