[Fot] TR6 Trailing Arms

[Bob Kramer]

Now I can see it! That bump stop! I've replaced mine with urethane.

Sent from my iPhone

> On Feb 10, 2014, at 7:44 AM, EDWARD BARNARD <edwardbarnard at prodigy.net>
wrote:
>
> Bob:
> The downward motion is controlled by a bump stop mounted on the chassis that
contacts the shock lever. It is a different p/n than the bump stop that mounts
on the trailing arm.
> Both take a huge beating and I find most are torn or missing completely.
> -Ed-
>
> From: Bob Kramer <rkramer3 at austin.rr.com>
> To: Allen Washatko <awashatko at wi.rr.com>
> Cc: Friends of Triumph <fot at autox.team.net>
> Sent: Monday, February 10, 2014 6:09 AM
> Subject: Re: [Fot] TR6 Trailing Arms
>
> I've never found an aluminum spacer on a stock TR6 spring,  and the rebound
> rubber is mounted to the trailing arm on a TR6, to the body on a TR4A. I 'm
> trying to visualize something on the frame but I can't.
>
> Sent from my iPhone
>
> > On Feb 9, 2014, at 10:38 PM, Allen Washatko <awashatko at wi.rr.com> wrote:
> >
> > Robert,
> >
> > After a little more checking, I agree with you that the casting didn't
> > change.
> > The factory changed the following parts to correct the problem of rear
> > end "squatting" under acceleration:
> >
> > 1. Added the "3 notch" trailing inner arm bracket
> > 2. Added the "1 notch" outer trailing arm bracket
> > 3. Stiffer coil springs
> > 4. Rebound rubber assembly mounted on frame
> > 5. Aluminum spacer for rear spring as a cure for rear wheel camber
> > issues
> >
> > Best,
> >
> > Allen
> >
> >> On Feb 9, 2014, at 10:05 AM, Robert M. Lang wrote:
> >>
> >> Hi,
> >>
> >> Near as I can recall, the "fix" was the 3-notch trailing arm pivot
> >> bracket. There _may_ have been a slightly different spring avaiable
> >> for later cars, but cannot recall for sure. I've had 69, 72, 73 and
> >> 74 TR6s and I don't recall any differences in the trailing arms. I'm
> >> pretty sure the 69 springs were softer.  But the bracket is the only
> >> hardware change that I recall.
> >>
> >> Turns out the foundry where the trailing arms were cast would mark
> >> the dat of manufacture (month and year), so if you really wanted to
> >> dig here, all you need to do is get your hands on a really early T/A
> >> and a really late one and measure.
> >>
> >> But to be honest, I don't think the T/A casting changed over time.
> >>
> >> Regards,
> >> rml
> >>
> ---------------------------------------------------------------------------
> >> Bob Lang              Triumph TR6!!            |  This space for rent
> >> Former NER Solo Chair                          |
> >> Voice:617-253-7438                            |  Cell: 339-927-4489
> >>
> ---------------------------------------------------------------------------
> >
> > Allen & Jody Washatko
> > 1971 TR6  - Number 6
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