[Fot] re TR6 Trailing Arms

[Jack Mc]

I've blasted and powder coated a lot of trailing arms. I've never been able to
identify any difference in the dimensions or geometry, but I can tell you the
quality of casting got progressively better through the model run - early ones
have lots of bubbles and flaws in the casting, and this got progressively
better each year - later ones are almost free of bubbles and other casting
flaws. - don't know how you would tell they are thicker unless you've broken a
bunch of them.
99% of them have the date cast scratched into the sand mold and it appears on
the flat surface in front of the hub mounting area.

Cheers
Jack Mc

Sent from my iPad

> On Feb 9, 2014, at 2:25 AM, "Enquiries Road & Track"
<enquiries at roadandtrack.net.au> wrote:
>
> I know the TR5/250 ones are different to TR6 I've seen. the older ones were
> prone to cracking and the later ones are thicker in various places.
>
> The mounting brackets are what they changed to try to stop squat. They have
> notches ground into them to identify the different hole offsets
>
> must be a TR6 expert out there to add more to this
>
> Terry O'Beirne
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