MK4 heads on Gen5 block
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MK4 heads on Gen5 block

  1. #1
    Senior Member jetboatperformance's Avatar
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    Default MK4 heads on Gen5 block

    Regarding Mark 4 heads and Gen 5 blocks , I havent visited this subject in a while anything new and different (gasket/wize) out there Guys ? Thanks Tom

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  3. #2
    gn7
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    Stock GM MK IV heads? Never a good idea. Even with Felpro's "special gaskets" its potential trouble. Specially in a marine application. Eventually the water eats thru the gasket covering the block openings and they start leaking. With a car running anti freeze and inhibiter, maybe.



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    Last edited by gn7; 06-24-2011 at 11:17 AM.

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