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Re: [GMCnet] Exhaust Manifold Gasket Replacement [message #162818 is a reply to message #162799]

Mon, 12 March 2012 22:19

Matt Colie

Messages: 8547
Registered: March 2007
Location: S.E. Michigan

Karma:

Senior Member

ljdavick wrote on Mon, 12 March 2012 22:07

I used the Remflex gaskets from Jim K and would recommend them to anyone. Big squishy wonderful gaskets that sealed up all my leaks.

I used grade 8 bolts and anti-seize. I now know that the grade 8's might not have been the best choice. I'll find that out if I ever have to remove the things.

Larry Davick

Larry,

Grade 8 bolts is not a bad choice, but when you use them in a high temperature application, be aware that they will stress relieve. While a Gr. 8 is necessarily a better alloy, it gets a good portion of its strength from the heat treatment. That just goes away. The best move is use Gr. 8 tensioned to no more than Gr. 3 load, lots of anti seize (high alloy is more prone to seize) and some sort or retention (a keeper or safety wire).

You do do learn some useful things when you live in Dyno-land.

Matt

Matt & Mary Colie - Chaumière -'73 Glacier 23 - Members GMCMI, GMCGL, GMCES
Electronically Controlled Quiet Engine Cooling Fan with OE Rear Drum Brakes with Applied Control Arms
SE Michigan - Near DTW - Twixt A2 and Detroit

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[Message index]

		Exhaust Manifold Gasket Replacement By: Who_dun_it on Mon, 12 March 2012 20:51
		Re: [GMCnet] Exhaust Manifold Gasket Replacement By: ljdavick on Mon, 12 March 2012 21:07
		Re: [GMCnet] Exhaust Manifold Gasket Replacement By: Matt Colie on Mon, 12 March 2012 22:19
		Re: Exhaust Manifold Gasket Replacement By: armandminnie on Mon, 12 March 2012 21:11
		Re: [GMCnet] Exhaust Manifold Gasket Replacement By: Ken Henderson on Mon, 12 March 2012 21:25
		Re: Exhaust Manifold Gasket Replacement By: Carl S. on Mon, 12 March 2012 21:29
		Re: [GMCnet] Exhaust Manifold Gasket Replacement By: Mr ERFisher on Tue, 13 March 2012 08:15

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