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Composate HG VS. Metal HG

Discussion in 'Engine Building' started by GlassHeadlights, Feb 25, 2009.

  1. GlassHeadlights

    GlassHeadlights West West Yall

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    I did a Mini-Me, D16A6 block D16Z6 head, on my 1991 Si and I re-used the metal composate headgasket. I devolped a small oil leak probably because its a used headgasket. I was going to replace the headgasket anyway.

    My question is what is better to put back in it? A D16A6 metal composate headgasket or a D16Z6 3 layer metal headgasket.

    My understanding is a metal composate gasket will fill in micro-inperfections better.
     
  2. K2e2vin

    K2e2vin Senior Member

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    The MLS one is much better due to easier clean-up. The should seal just fine. The MLS is also a little thinner which can help bump compression a tad bit.
     
  3. GlassHeadlights

    GlassHeadlights West West Yall

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    Should I go right to Honda to buy one or are there good ones at other parts stores?
     
  4. K2e2vin

    K2e2vin Senior Member

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    Fel-Pro ones work fine.
     
  5. GlassHeadlights

    GlassHeadlights West West Yall

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    LOL it seems that's true. The used headgasket I have in it right now is a Fel-Pro and I have balanced compression and everything. It probably wouldn't leak oil if I was more careful taking the old head off.
     
  6. 99sidude

    99sidude Moderator Moderator VIP

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    Yup, I've been boosting on my Felpro head gasket for year and a half with no problems. Makes me doubt the need for a Cometic.
     
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