I keep getting some mixed results searching this but I have been led to believe the Mercruiser MAG MPI SKI engine is basically a vortec truck engine with a merc spec cam in it .
With that said I need to replace the heads as mine are cracked.
I have a line on 2 sets of decent vortec truck heads . Does anyone here have info on this. If these heads will work I can get my boat back up for the summer and my family might let me sleep inside again .lol
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