Engine swap
20

Asked by Mashu92 Feb 22, 2019 at 12:24 PM about the 1991 Oldsmobile Eighty-Eight

Question type: Car Customization

Can someone tell me if the L67 supercharged
engine will fit into my 1991 olds 88??? And if so
what kind of adjustments will have to be made?
Thanks k you

2 Answers
21,865

Gary answered 5 years ago

Yes, you can probably get it will fit. The problem is there is a large amount of work required when you replace a different size engine in a vehicle. Motor mounts, exhaust system, transmission, emissions, gauges, wiring, computer, etc. All of this needs to be figured out. If you are paying a garage to figure all this out, it will be a very expensive endeavor.

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20

Mashu92 answered 5 years ago

True I know what your saying. But both are 3.8l 3800 series engines. From what I've read it should bolt right up to the engine shouldn't it. I mean it's the same engine. Just one has a SC. Would it make that big of a difference if they are basically the same engine. I understand changing the ECU and maybe some wiring. But shouldn't the mounts be the same and use the same exhaust essentially?

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