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Gen IV heads on a Mark 6 block?

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Gen IV heads on a Mark 6 block?

 
Old 08-01-2003, 11:31 AM
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Default Gen IV heads on a Mark 6 block?
Does this work? I know the Mark 5 heads dont fit a Gen IV block......
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Old 08-01-2003, 02:26 PM
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Question 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
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Old 08-01-2003, 09:25 PM
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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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