Nathaniel,
The factory part is flattened where it passes through the cross-member. I'm
with Phill, if the exhaust is properly aligned and supported, and if the
engine and motor mounts are in good shape, the exhaust will not interfere
with the frame.
When I first put a header on my car, the headpipe did not line up properly.
Heating and bending a bit helped, but a flex coupling at the header-headpipe
junction will mask a lot of minor ills.
Gary
----- Original Message -----
From: "Phill Brook" <fairlady@bigpond.com>
To: "Nathaniel Leeds" <nmleeds@mindspring.com>
Cc: <datsun-roadsters@autox.team.net>
Sent: Tuesday, November 25, 2008 7:25 PM
Subject: Re: [Roadsters] Exhaust problems - the cutting - X
> Nathaniel,
> A well made and properly mounted exhaust should rarely bang against the
> chassis.
> As well as exhaust mounts, you probably also need to change the engine
> and gearbox mounts so there is less movement to start with. Have they
> ever been changed on your car or are they still the 40 year old
> originals?
>
> A short stainless steel flexi section should also be fitted at the end of
> the extractors to isolate most of the remaining drivetrain movement from
> the main exhaust pipe. You can also slightly flatten (or oval) the
> section of exhaust pipe that passes through the chassis for extra
> clearance.
>
> Hope that helps.
>
> Phill B
>
>
> On 26/11/2008, at 12:09 PM, Nathaniel Leeds wrote:
>
>> the leak was where the
>> exhaust pipe passed through he X support in the frame. Apparently the
>> pipe
>> bangs against that x, and cuts itself; replacing the pipe will set me up
>> for
>> the same problem in two months.
>>
>> Before I go and replace that section of pipe and wait for it to leak
>> again
>> in 2 months, I though I'd ask if anyone else has had this problem, and
>> found
>> a solution?
>>
>> Nathaniel Leeds
>> '69 2000
>> (a.k.a. wheezy)
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