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I need a .055 thick head gasket

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Old Sep 29, 2011 | 01:06 PM
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Question I need a .055 thick head gasket
Cometic doesnt make them, and the LS9's are .051.

My rotating assembly combo (3.905 bore,6.125 rods,stock crank) + my block got decked, my machine shop said i needed a .055 thick gasket. and i cant find one.

App is a Turbo 5.3 bored LS1
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Old Sep 29, 2011 | 01:15 PM
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Felpro makes MLS gaskets with some different thicknesses IIRC.
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Old Sep 29, 2011 | 02:13 PM
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Tsp can order them for u
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Old Sep 29, 2011 | 11:07 PM
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ok cool deal, thanks guys!
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Old Sep 30, 2011 | 11:48 AM
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it wasnt on there wbsite but i just found cometic's in jegs, for a 3.910 bore, and theyre .066. ill have to do the math and figure out my compression agin.
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Old Sep 30, 2011 | 01:25 PM
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i think my felpros are .055. ill have to check when i get home
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Old Oct 1, 2011 | 11:36 AM
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they are .053
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Old Oct 1, 2011 | 02:05 PM
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Both surfaces have to be perfect for the Cometics.
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Old Oct 2, 2011 | 12:19 AM
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Originally Posted by 98Z28CobraKiller
Both surfaces have to be perfect for the Cometics.
thats why im having my heads checked
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Old Oct 2, 2011 | 07:40 AM
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Just call Cometic and tell them what you want. They usually make it within a few days. They're an excellent company to deal with.
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Old Oct 2, 2011 | 09:06 AM
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Originally Posted by 98Z28CobraKiller
Both surfaces have to be perfect for the Cometics.
what about felpros?
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Old Oct 2, 2011 | 01:05 PM
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I'd hardly get too worried over 4 thou of a difference.
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