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Topic: Exhaust Gasket Needed?

in Forum: C3 Fuel, Emission Control, and Exhaust Systems

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Exhaust Gasket Needed? (1/3)
3/21/12 1:03pm

Hot4spdC3
Former Member
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Seattle, WA - USA

Vette(s):
1979 L82 Corvette

Joined: 2/22/2012
Posts: 29

I am adding true dual exhaust and am wondering if I need a gasket where the heat riser valve meets the stock exhaust manifold. I have replaced the valve with a spacer and it looks like the old valve was just a metal to metal fit with the manifold. I also know the earlier year cars, up through 74, used a gasket on that side but I think the following years were a metal to metal fit. I know the underside uses a doughnut but I'm wondering about the manifold side since I am using just a spacer. Thoughts anyone?

Thanks,

Keith

|UPDATED|3/21/2012 10:03:59 AM (AZT)|/UPDATED|

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Re: Exhaust Gasket Needed? (2/3)
3/21/12 2:45pm

yostusota
Former Member
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York, PA - USA

Vette(s):
1969 daytona conv. all original 350 350 380 4 sp w/air..and hard top

Joined: 5/18/2010
Posts: 1518

If there is a quality gasket out there then it wouldn't hurt to use one..

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My first parade at Carlisle 2010

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Re: Exhaust Gasket Needed? (3/3)
3/21/12 2:52pm

Hot4spdC3
Former Member
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Seattle, WA - USA

Vette(s):
1979 L82 Corvette

Joined: 2/22/2012
Posts: 29

That was my thought as well. I have one from one our vendors and will use it.

Thanks,

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