vortec vs non-vortec exhaust bolt up
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vortec vs non-vortec exhaust bolt up
The 4.3L in my boat just died, and I'd like to put a newer engine in. The engine that is in there now is a 1985 or 1986 (the boat is 1986). I don't want to replace the exhaust manifolds. Can I put in a vortec and ahve the exhaust manifolds bolt up? Or do I have to go pre-vortec? Also, are the motor mount positions the same?
Thanks,
John.
Thanks,
John.
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