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

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

Question type: Maintenance & Repair

5 Answers

How much will it take too put a 5.3 out of a 2000 Tahoe in my 1985 grand Prix

80,045

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.

1 of 1 people found this helpful.

I bought the whole truck can I just use everything out of it

80,045

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!

80,045

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

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