Paul,
I've been told that installing a short section of braided flex pipe (common
on modern front wheel drive cars) just below the flange will help to relieve
stress on the exhaust manifold collection point. I've had the crack in my
manifold braised, and I've replaced my motor mounts, but I haven't had the
flex pipe installed yet.
Ed York
'68 1600
----- Original Message -----
From: <cour.jpeg@gmail.com>
To: "Paul Strahl" <utahltps@yahoo.com>;
<datsun-roadsters-bounces@autox.team.net>; <datsun-roadsters@autox.team.net>
Sent: Saturday, July 09, 2011 5:57 PM
Subject: Re: [Roadsters] exhaust manifold leak
> Hi Paul, from another Paul w- a 1600.
>
> There is a typical failure near the collection point, at the first clamp
> to the pipe under the seat.
>
> Sometimes the manifold will crack there because of too much movement
> caused by a missing or failed scissors clamp where the first pipe passes
> through the frame.
>
> You can see it by getting underneath.
>
>
> Another ~ZoltVolt~ wireless picture msg
>
> -----Original Message-----
> From: Paul Strahl <utahltps@yahoo.com>
> Sender: datsun-roadsters-bounces@autox.team.netDate: Sat, 9 Jul 2011
> 15:29:19
> To: <datsun-roadsters@autox.team.net>
> Subject: [Roadsters] exhaust manifold leak
>
> Hey I have owned my 1970 1600 for almost a year now. No known
> modifications.
> It
> has been running great until just now. It became really loud. I had a
> muffler
> shop look at it a replace a pipe just before the muffler. It sounds
> like normal
> now. The muffler shop guy called to my attention that the
> exhast mainfold had a
> leak and he would have to take it apart to see if it
> was a gasket, crack,
> warping or what was going on. So I have a couple
> questions for the guys who run
> these cars and know about them. 1) How can one
> tell the that the manifold leaks
> and where it is leaking? 2) Is this a common
> problem 3) What are common
> solutions?
>
> Thanks in advance.
> Paul S
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