Manifold Gaskets - The 1947 - Present Chevrolet & GMC Truck Message Board Network

notahybrid · 08-01-2007, 10:20 PM

I have a 68 c10 w/ a 250. I am in the process of replacing the manifold gaskets. The new gaskets are the type that have a fiber middle w/ metal on the outside. Do I need to use a sealant? I have been told both yea and no. I do not think you are supposed to need any with that type of gasket. Thanks

BCOWANWHEELS · 08-01-2007, 10:26 PM

No Sealant....... Put Shiney Side Of Gasket Toward Manifold. Also Install The Gasket Between The Intake Manifold And Exh. Manifold. When You Bolt Them Back Together Make Sure Both Gasket Sealing Areas Are Flush Where It Bolts To Engine And Make Sure Its Smooth And Super Clean Where It Bolts To Engine. Take It Out And Run It Till It Gets Hot Then Re-torque Everything. I Always Install A Exhaust Pipe Hanger From A Bellhousing Bold To Take Strain Off Exh. Manifold. Sure Makes All Last Longer And Never Breaks Exh. Manifold. Oh Yea Use Brass Nuts On The Exh. Manifold Studs To Tighten Exh. Pipe. Jmo
Bob 20+ Years Of Driving A 250

notahybrid · 08-01-2007, 10:35 PM

Thanks for the tips especially the hanger one. Will do.

08-01-2007, 10:20 PM	#1
notahybrid Registered User Join Date: Mar 2007 Location: Chesapeake, Virginia Posts: 39	Manifold Gaskets I have a 68 c10 w/ a 250. I am in the process of replacing the manifold gaskets. The new gaskets are the type that have a fiber middle w/ metal on the outside. Do I need to use a sealant? I have been told both yea and no. I do not think you are supposed to need any with that type of gasket. Thanks

08-01-2007, 10:26 PM	#2
BCOWANWHEELS Registered User Join Date: Nov 2006 Location: KINGSPORT,TN. Posts: 3,035	Re: Manifold Gaskets No Sealant....... Put Shiney Side Of Gasket Toward Manifold. Also Install The Gasket Between The Intake Manifold And Exh. Manifold. When You Bolt Them Back Together Make Sure Both Gasket Sealing Areas Are Flush Where It Bolts To Engine And Make Sure Its Smooth And Super Clean Where It Bolts To Engine. Take It Out And Run It Till It Gets Hot Then Re-torque Everything. I Always Install A Exhaust Pipe Hanger From A Bellhousing Bold To Take Strain Off Exh. Manifold. Sure Makes All Last Longer And Never Breaks Exh. Manifold. Oh Yea Use Brass Nuts On The Exh. Manifold Studs To Tighten Exh. Pipe. Jmo Bob 20+ Years Of Driving A 250 __________________ I BELIEVE IN JOHN 3:16

08-01-2007, 10:35 PM	#3
notahybrid Registered User Join Date: Mar 2007 Location: Chesapeake, Virginia Posts: 39	Re: Manifold Gaskets Thanks for the tips especially the hanger one. Will do.



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