intake gasket thing!! - The 1947 - Present Chevrolet & GMC Truck Message Board Network

mikegi · 06-01-2002, 02:35 PM

whats the metal restrictor thing in center of gasket,and do i need it?don't see one on the old one.

misfits · 06-01-2002, 03:04 PM

I think its a filter of some sort.

mikep · 06-01-2002, 04:05 PM

Its a manifold heat restrictor. Unless you live in a really cold climate leave it in. It restricts the exhaust gasses heating the intake manifold. I dont use manifold heat at all. No problems

06-01-2002, 02:35 PM	#1
mikegi Registered User Join Date: Jun 2000 Location: Springvale,Maine Posts: 201	intake gasket thing!! whats the metal restrictor thing in center of gasket,and do i need it?don't see one on the old one. __________________ Springvale,Maine 71 3/4 GMC lwb

06-01-2002, 04:05 PM	#3
mikep Used to have a truck Join Date: May 2002 Location: port orchard WA Posts: 1,552	Its a manifold heat restrictor. Unless you live in a really cold climate leave it in. It restricts the exhaust gasses heating the intake manifold. I dont use manifold heat at all. No problems __________________ No truck :-(

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06-01-2002, 03:04 PM	#2
misfits Registered User Join Date: Feb 2001 Location: Sturgeon Bay , WI USA Posts: 375	I think its a filter of some sort.



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