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Re: muffler vibration

To: <Cocairn@aol.com>, <datsun-roadsters@autox.team.net>
Subject: Re: muffler vibration
From: "Ron Hamilton" <ej99176@goodnet.com>
Date: Sun, 14 Jan 2001 08:51:57 -0700
May well be a resonance from loose or deteriorating internal baffles within
the muffler. Had this happen to a Dodge Dakota not too long ago. Try
thumping the muffler with a big soft object and see if it rattles.

Ron
----- Original Message -----
From: <Cocairn@aol.com>
To: <datsun-roadsters@autox.team.net>
Sent: Sunday, January 14, 2001 7:53 AM
Subject: muffler vibration


> Hi group,
> I'm new to the list, having just recently purchased a '70 2000.  This is
not
> my first roadster as I had a 1600 25 yrs ago, then moved to a 240Z, then a
> 280, a 200 SX, then another 280.  A real Datsun/Nissan fan!
> I'm not much of a mechanic (hardly one at all) but I try to do the few
things
> I am able to do w/o messing up the car too much.  Right now I have a
problm
> with the muffler/exhaust system making a huge "roar" about 2000 - 2100
rpms.
> This is most evident when I let off the gas after having been at 2300 +
rpms.
>
> I'm pretty sure it's the exhaust system, but it's really hard to run along
> side the car and look underneath when driving :).  I've been under the car
> and everything seems very tight.  Does anyone know: a: what the problem is
> and, b. how to eliminate it?
> I appreciate your help and enjoy reading all the emails.
> Sincerely,
> Stephen Smith
> 70 2000

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