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Generation III Internal Engine
Thread sealer?

Generation III Internal Engine 1997-2006 LS1 | LS6

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Thread sealer?

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Old

May 13, 2009 | 09:23 PM

#1

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Thread sealer?

Just a quick question on LS1 block: I'm getting ready to put my cylinder heads on. So, do I need to apply any "thread sealer" at all on any of the head studs (obviously on the block side

)...????

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May 13, 2009 | 09:52 PM

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I used arp moly lube on my studs, some peple will use locktite when threading them into the block.

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May 13, 2009 | 11:38 PM

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My main concern is if there are any threaded holes on the engine block that actually goes thru any water jackets that would require any thread sealer.

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May 14, 2009 | 06:56 AM

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Thread sealer is not needed, just moly lube that arp supplies. Hand screw them into the block till they bottom out, which make take a little bit of effort depending on the condition of your block threads, but after bottoming out, back them out an eigth to quarter turn.

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May 14, 2009 | 08:28 AM

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Thanks!

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