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However much it will cost to buy an Ls series motor and install it with the f40 transaxle and adjust suspension to match. It will cost about the same to do this swap as it would to build the 2.8 to make that kind of power. I would go with the swap. There are incredible amounts of people online willing to help with any questions and a lot of build threads about doing it.

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Q: How much would it cost to make a Pontiac fiero gt run at 300 hp?
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