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87.5mm Headgasket options

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Old Oct 14, 2018, 08:08 PM
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87.5mm Headgasket options
Wiseco HD 87.5mm piston
156mm rod
100mm cranks
4g64 Block

i have recently blown my JE Proseal Headgsket, looking for other alternative headgasket to run my 2.4L Long rod with 6466 PTE turbo

There are not many gaskets for 87.5mm piston. i can only find cometic and je proseal
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Old Oct 15, 2018, 07:52 AM
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Siruda makes 87.5mm in a variety of thicknesses
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Old Oct 15, 2018, 08:12 AM
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Cometic is good.

At the level youre at with the 6466, you really need to be thinking about oring'ing the head.
Last edited by letsgetthisdone; Oct 15, 2018 at 08:42 AM.
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Old Oct 15, 2018, 08:42 AM
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Originally Posted by letsgetthisdone
Cosmetic is good.

At the level youre at with the 6466, you really need to be thinking about oring'ing the head.
Cosmetics are for the ladies, I specifically use Cometic

Sorry Sean, couldnt resist
Last edited by MinusPrevious; Oct 15, 2018 at 08:47 AM.
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Old Oct 17, 2018, 05:53 PM
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The cometic MLS ones are good? I torqued my L19 studs to 120ft ibs and with a machined flat head and deck..
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Old Oct 17, 2018, 05:59 PM
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Why are you over torquing the head studs?
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Old Oct 17, 2018, 06:01 PM
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whats the ideal torque for the L19s?
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Old Oct 17, 2018, 09:30 PM
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I torque L19's to 95 and have never had an issue.

For the custom AGE 625+ 11mm studs, ARP calls for 100ftlbs. And that's a WAY strong material than L19.
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