Joe,
The later sets without a split pin hole in the pinion will take a
collapsible spacer, but these and all others will take a solid spacer. Note
that going to a 3.89 diff from a 4.11 is only 5% difference, might be a good
idea to consider a 3.63 fitted to four speed TR7s.
John Kipping
----- Original Message -----
From: "Joe Curry" <spitlist@gte.net>
To: "Friends of Triumph" <fot@autox.team.net>
Sent: Friday, June 14, 2002 10:10 AM
Subject: MkIV Spitfire 3.89 gear set
> I have discovered that the 4.11 gears are too low for the Honda engine and
gearbox causing me to have to launch in second gear or else I would burn
> off the 9" slicks I am using.
>
> So I have decided to go to the 3.89 gears to solve the problem. But I am
in a quandry about which ring and pinion will work. Somewhere it is written
> that the later (collapsible spacer type) supersedes the old fixed spacer
type. I currently have and prefer to use the fixed spacer type, so that is
> what I am looking for. If the newer type supersedes the older type, that
would be fine but I do not want to have to use a collapsible spacer if that
> is part of the deal.
>
> Does anybody know for sure what I need to be looking for? And more
importantly, does anybody know of a good (read cheap) source for the right
parts?
>
> Regards,
> Joe Curry
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