[Healeys] 1960 BN7 exhaust

[Rich C]

I believe that because of the low ground clearance, when the muffler grounds 
out, the flex will take the shock instead of it being telegraphed back up to 
the next weakest link, the cast iron manifolds. I'd sooner replace a flex 
section than try to repair or replace an exhaust manifold flange. Of course 
the flex certainly aids in the fitting up of the system onto the flange 
studs and muffler mounts.
The manufacturers certainly didn't do the flex section to save money.

Rich Chrysler

----- Original Message ----- 
From: <healeyguy at aol.com>
To: <healeys at autox.team.net>
Sent: Wednesday, February 11, 2009 3:32 PM
Subject: Re: [Healeys] 1960 BN7 exhaust


>I have contemplated the (original style) flex pipe issue for a number of 
>years, watched the pipe(s) move during engine loading, etc. I'm still of 
>the opinion that the only reason that the flex pipe was included on the 
>original cars was to facilitate getting the down (header) pipes to mate 
>with the fixed muffler(silencer) location. I do do not think that the flex 
>section provides any added flexibility in the down pipe thereby 
>(theoretically) reducing wear and tear on the rest of the exhaust system 
>mounts.
> Aloha
> Perry
>
>
>
> tld6008 at mchsi.com wrote:
> I am requesting info regarding rebuilding exhaust system. My car had 
> spiral flex
> tubing between header pipe and front of muffler which was rock hard when I
> removed it. Is this same material being supplied on replacement parts or 
> are
> they using the newer mesh covered flex hoses that stay flexible forever?
>
> Tim Davis BN7
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