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Old 01-08-2014, 09:26 AM
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Default Head gaskets
I'm installing my 243 soon and wonder what gaskets you guys using ? I can get Fel Pro local here

thx
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Old 01-08-2014, 01:57 PM
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Also anyone have the parts # for ARP head studs for 243 heads on 2005 Caddy escalade motor
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Old 01-08-2014, 01:59 PM
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From what I understand the OEM GM MLS gaskets are the way to go unless you are trying to reduce quench / add compression via a thinner gasket.
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Old 01-08-2014, 02:00 PM
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Not to hijack your thread but as an addendum; is it common to coat LS head gaskets with copper spray, like we used to do on the old SBC?

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Old 01-08-2014, 02:12 PM
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Use LS9 gaskets.. and from what I understand DO NOT spray them with copper cote..
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Old 01-08-2014, 06:37 PM
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I'm running fel-pro MLS gaskets from Rock Auto. No troubles thus far.
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Old 01-08-2014, 06:53 PM
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Originally Posted by ig109
Use LS9 gaskets.. and from what I understand DO NOT spray them with copper cote..
I end up with a set of GM LS3 gasket . Now am looking for a some head studs.
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Old 01-08-2014, 06:56 PM
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What rockers are you guys running at that HP
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Old 01-08-2014, 07:11 PM
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Im running Felpro MLS with 12lbs of boost on them with stock head bolts.. Im happy so far
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Old 01-08-2014, 07:30 PM
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Are you running intercooler with 12lb of boost or ethanol ?
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Old 01-09-2014, 08:59 PM
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Just order some Thompson motorsports LS7 lifter and their head studs . Can't wait to put the motor together
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