[Healeys] rubber exhaust mounts

Michael Salter michaelsalter at gmail.com
Sun Jan 13 13:26:04 MST 2013


In one of Geoff's books he makes brief mention of exhaust mount failures on
one of the "specials", apparently the problem was solved once the Dunlop
engineers became involved and demonstrated just how to properly bond rubber
to steel.
We used to have endless failures of after market mounts but a one time I
had some OEM mounts and took the time to put one to the test.
The rubber of the mount tore apart, did not separate from the steel, at a
load of well over 100 lbs. Design is not the problem however the
manufacturing of the currently available mounts may be suspect.

Michael S


On Sun, Jan 13, 2013 at 2:42 PM, john spaur <jmsdarch at sbcglobal.net> wrote:

> I think the problem with the stock muffler hangers is inherent in the
> design.
>
> I designed new muffler mounts for the BT7. They replace the front one
> where the exhaust pipes meet the muffler and the back one where the pipes
> hold up the muffler. They use the existing bolt holes and some currently
> produced stock muffler hanger parts. However, one does have to have
> portions of the metal hangers fabricated and a rod needs to be welded to
> the muffler for the front hanger. They can be installed and removed easily.
> Another benefit is the rear one can be removed and the muffler will rotate
> downward while the front one is left in place. I have not driven the car
> yet but I did start the car and they did not fall off and there did not
> seem to be any undesirable vibration.
>
> I will send some pictures to John Sim's in the next few days.
>
> John, thank you for hosting all of the Healey information on your web site.
>
> John Spaur
> San Jose, CA
> '62 BT7
>
>
> At 10:20 AM 1/13/2013 -0500, warthodson at aol.com wrote:
>
>> Yes, everyone I know has had trouble with the rubber exhauast mounts. I am
>> reasonably sure we have purchased them from most of the suppliers, even
>> some
>> suppliers who claim theirs are superior. If there is a source of good
>> ones I
>> would also like to know.
>> Gary Hodson
>>
>> -----Original Message-----
>> From: Larry Varley varley at cosmos.net.au
>>
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-- 
Michael Salter

                         *I have BJ8 water pump kits!!*


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