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Re: [Fot] TR4-6 front end technical queries

To: "'Bill Babcock'" <billb@bnj.com>, <fot@autox.team.net>
Subject: Re: [Fot] TR4-6 front end technical queries
From: "Enquiries" <enquiries@roadandtrack.net.au>
Date: Mon, 15 Feb 2010 07:59:45 +1000
Thanks Bill, but I don't think you understand my questions

I don't have a early trunnion. I have the later one that takes a bolt, not
has a pin in it. As far as I remember , all the early ones used a built in
pivot pin and they have zero caster. 

I have 1 brand new STANPART trunion and everything lines up fine  on 1 side
of the car. It has 3 degress caster machined into it.

I got a replacment TR6 trunion and nothing lines up as its wrongly machined,
close to 0 degrees caster. 

Changing to a jag top ball joint used to be a common racer trick and does
not seem to unduly stress the trunnion. It is only 0.110" narrower so you
put a spacer on 1 side to push it further back against the rear top
wishbone, and get more caster. I was wanting to know if others are still
doing this and if the extra caster was beneficial with modern street tyres

No-one seems to be able to answer my question about the differences with the
various steeering arms

Thanks

Terry
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