How much will it take too put 5.3 in my 1985 grand prix

Asked by Taydavis Mar 31, 2017 at 10:24 PM about the 1985 Pontiac Grand Prix Brougham

Question type: Maintenance & Repair

5 Answers

F_O_R answered 7 years ago

If you had a donor vehicle with trans and ECU etc, I am guessing it could be done for 3 to $4,000 plus some misc parts if you can find a mechanic that wants to take on an engine swap.

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F_O_R answered 7 years ago

Not everything but you would need the engine, ECU and wiring harness at a minimum. Not sure if the newer engine will work with your old transmission. Unless you have sentimental attachment to the Grand Prix I hardly think it is worth the cost and headaches but good luck!

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F_O_R answered 7 years ago

Maybe some of the other posters on this site will chime in with their ideas.

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