List(s)
I kind of wondered about this, but the first I have heard of a problem.
Interesting!
I was considering doing this a new project build I am doing using a TR4A
frame with solid axle. Will reconsider.
I also converted my early TR4 to tube shocks for Vintage Racing. Pretty
beefy, but still is showing signs of stress and will have to be re-engineered.
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Now for the final comment. I just came across a guy who has developed a
lever shock that has external adjustability with a knurled knob. He showed them
to
me at Road America and they seemed to make sense. This guy is a rebuilder of
shocks and I believe is capable of doing this. I am hoping to test them out
soon.
I am fascinated by this...anyone else?
Joe (A)
> Hi List,
>
> I wanted to give the list an update on a frame problem that had developed on
> my car. If you would like to see pictures of what is described in this
> email, go to triumphowners.com/108 and click on the photo entries for Rear
>Shock
> Conversion Problems.
>
> A year plus or so I installed a rear tube shock conversion kit from John
> Horton. I had used the kit with no problems for quite awhile but in late July
>I
> noticed a noise coming from the rear suspension and decided to see what the
> problem was. Looking through the wheels I could see the frame was cracked
> around the differential mounting bracket. I took it over to Rick's house and
>we
> put the car on the lift for an inspection. We discovered that where the frame
> and the differential bracket met there were quite a few cracks. Basically,
> every place that the frame met had either started to crack or most of them
>were
> all the way through. I believe the noise I heard was the differential
> mounting bracket moving on the frame. The drivers side was slightly worse
>than the
> passenger side but both were pretty bad. With Rick at the welder everything
> was cleaned up to provide clean metal for welding and then the cracks were
> welded. As an extra measure of strength the bottom 8 inches of the d!
> ifferential bracket was boxed in.
>
> Before the repair we pulled down on the body to see what was happening and
> it was clear that as the suspension deflected downward the shock bracket
> traveled towards the back of the car, putting a great deal of stress on the
> differential bracket. Now I wont pretend that my frame was newly replaced or
>that
> it is perfect or has never had any rust on it. But I think it is typical of
> what you might find for a 35 year old frame and there were no apparent
>problems
> at the time of the install.
>
> Part 2 to follow....
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