A clogged cat converter caused a cast iron exhaust manifold to crack on a
hundai. It was the increased heat and presure. But, then again, it was a
hundai and they were built to self distruct.
To: William Maxwell
Subject: Re: cracking manifolds?
Date: Friday,December 22,1995 4:36PM
It is true, all MGB manifolds will crack, as long as you drop it off
of a tall enough building. But seriously, I have never heard of this
problem, know of no reason why it should be true, and belive that any
mechanic who sees a trend of this might be guilty of over-torquing his
On Fri, 22 Dec 1995, William Maxwell wrote:
> The guy who worked on my 1980 MG stated that ALL MGB manifolds WILL
> enventually crack and that it is only a matter of time.
> I'm curious to know what experience you all have had. Does this statment
> prove true? Is there an expected lifetime for the stock manifolds?
> before it goes? etc...
> Thanks much to all that respond.
> William (should I start my manifold account now?) Maxwell