Offshoreonly.com - Gen IV heads on a Mark 6 block?

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klmken

08-01-2003 11:31 AM

Gen IV heads on a Mark 6 block?

Does this work? I know the Mark 5 heads dont fit a Gen IV block......

BRUCE SEROFF

08-01-2003 02:26 PM

Just curious

If I have a gen 6 motor with merlin aluminum heads, can i use those same heads on a gen 4 block? if not , why

Pat McPherson

08-01-2003 09:25 PM

Gen. V and VI are the same. Gen. IV engines have vary different water passages.
Most after market heads are made to fit both with the right head gasket.
Gen V and Gen VI GM heads can not be used on Gen IV block. and....
Gen. IV GM heads can not be used on Gen V and VI blocks.

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