[DML] Re: exhaust manifold gaskets

["Dave Swingle" <swingle@xxxxxxxxxxx>]

I'm still running my originals at 40,000 miles and 23 years, so I 
guess that's the high side (at least with respect to time, I'm 
sure there are many out there with more miles). You are seeing the 
low side. 

They **should** last more than 3 years, one problem is that if you 
run the car with the leaking for a long time, before fixing it, the 
gasket material eventually blows out and the manifolds can warp 
enough to make bad fit with the new gaskets. 

I'm not sure where you'd get stainless steel manifolds per se - if 
you are referring to aftermarket tube headers there is nothing 
intrinsically better about them with respect to sealing.

Dave S


--- In dmcnews@xxxxxxxxxxxxxxx, kevin creason <kcreason77@xxxx> wrote:
> 
> How long do the exhaust manifold gaskets last? Low,
> high, average? Any ideas?
> I replaced all mine 2.75 years ago, and I can hear a
> little "beetling" on initial acceleration. It's not
> bad yet, as you can't hear it standing out
> 
> And why do the Delo's have this problem? Is it the
> aluminum engine and the cast iron exhaust manifolds?
> I saw on someone's site that there are stainless-steel
> gaskets. Will those work any better? Will stainless
> steel manifolds work better?
> -Kevin
> #4687








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