AND, not to forget the banana peels in the crankcases to quiet noisy rods.
So help me.
"Simmons, Reid W" wrote:
> Actually, I heard that it was sawdust and STP that unscrupulous auto dealers
> would put into transmissions in order to mask any "uncharacteristic" noises.
> I guess a potential buyer was considered wise if he had the car inspected
> for termites before making a purchase commitment! :)
>
> Reid
> '79 Spitfire (original owner - and NO termites!)
>
> -----Original Message-----
> From: Barry Schwartz [mailto:bschwart@pacbell.net]
> Sent: Thursday, October 14, 1999 7:00 AM
> To: triumphs@autox.team.net
> Cc: spitfires@autox.team.net
> Subject: ? Motor oil usage in manual trannys
>
> >I don't understand where the use of motor oils in transmissions is
> >coming from. I have heard of people adding sawdust to their
> >transmissions to quiet them down to but that doesn't mean I am going to
> >do it. Using motor oil may be some mechanic's short term solution to a
> >bad rebuild, I don't know.
> *****************************************
> I believe that the motor oil usage, related to British cars in general,
> stems from those who have or have had MG's. Certain models of MG's (* see
> below) use regular motor oil in the transmission, which is (also I believe)
> specified in the service manual, for use in those trannys. (those who own
> MG's can validate that for me, and we KNOW who you are. . .:-})
> However there may be specific differences which allow it's use in
> those boxes. I would gather though, that the rear axle still specifies
> that hypoid gear oil be used (and for good reason). The load's imposed in
> that assy are far greater and the shearing action of the hypoid gear is
> much more severe. I'd bet that using motor oil in the rear end would lead
> to a very early demise of the ring and pinion. It is interesting to note
> that while hypoid gears have a much more aggressive "sliding action" over a
> broader area of gear teeth by their design, helical cut gears still do the
> same thing, but to a much lesser degree. It would also be interesting to
> see if the trend of using motor carries over to the later Midget which uses
> the Spitfire/Marina single rail gearbox. I'll bet that it specifies gear
> oil for those :-)
> As for the sawdust, that's an old sellers/bad mechanics trick to quiet a
> noisy transmission to sell, or get rid of the car, without fixing the
> problem-
>
> *and quite possibly other models. My Borg/Warner T5 five speed manual,
> specifies ONLY Dextron II/III automatic transmission fluid [fluif] be used
>
> Barry Schwartz (San Diego) bschwart@pacbell.net
>
> 72 PI, V6 Spitfire (daily driver)
> 70 GT6+ (when I don't drive the Spit)
> 70 Spitfire (long term project)
--
Rawchester, Neu Yawk
Sptifire MkII "HardWay" FC68436L Red, what else?
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