Back before I knew of the "poly" mounts, I used to just add washers to the
old rubber mounts and squeeze them up until I had very little movement, a
poor man's way of stiffening up the diff mounts. I think I copied Jack
Wheeler or somebody who gave me the advice.
Ed
'58 TR3A, '68 TR250
----- Original Message -----
From: "Kramer, Robert" <RKramer@rdoequipment.com>
To: "Shane Ingate" <hottr6@hotmail.com>; <vinttr4@geneseo.net>
Cc: <fot@autox.team.net>
Sent: Tuesday, June 03, 2008 6:11 PM
Subject: Re: [Fot] TR6 diff mounts
>I can say that I have many years on poly diff mounts. I used the first ones
> available back in the late 70's when somebody was pouring them into
> homemade
> molds, and I still have them. I replaced them with the newer, finer
> quality
> stuff that is now available but the old red ones looked better after 15
> years
> than the rubber ones do after 3.
>
> I would argue that the diff needs to be fairly securely mounted. The gears
> inside are precisely mated and not likely to be effected by the additional
> harshness. I guess that's a matter of opinion. I suspect that firm
> mounting
> helps the half-shaft u-joints live longer. Failed rubber mounts are a
> leading
> cause of rear diff mount bracket failures. I don't think it's the
> harshness
> that does in the diff mounts, rather the hammering effect after the rubber
> collapses. I wouldn't solid mount it, but I think poly is perfect.
>
> -----Original Message-----
> From: fot-bounces+rkramer=rdoequipment.com@autox.team.net
> [mailto:fot-bounces+rkramer=rdoequipment.com@autox.team.net] On Behalf Of
> Shane Ingate
> Sent: Tuesday, June 03, 2008 4:23 PM
> To: vinttr4@geneseo.net
> Cc: fot@autox.team.net
> Subject: Re: [Fot] TR6 diff mounts
>
> Uncle Jack asked:
>> While I have the diff out, I could easily replace to the diff mounts.
>> What's the best thing to do
>
> I use poly. Alas, they do not have 30 years and 100,000 miles on them
> so I cannot attest to their contribution to diff longevity.
>
> Over the years in other cars, I have developed a fondness for
> solid mounts under the engine, and soft mounts for the g/box
> and diff. The solid mounts are good for "feeling" bearing condition
> when cranking the motor. I was advised by many that solid mounts
> for g/box and diff is too hard on the parts.
>
> I have reinforced my diff mounts, so that any harshness that the
> poly mounts bring into the equation may be offset by the bracing.
>
> Shane Ingate in NM
>
>
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