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Re: speedo survey

To: lang@isis.mit.edu
Subject: Re: speedo survey
From: jay_welch@juno.com
Date: Wed, 29 Jan 2003 11:17:21 -0500
Bob,

What would be the easiest way to determine which set you have??  If I
have the covers removed, can I just count the teeth on the ring gear?? 
Are all of the pinion gears the same??

Thanks,
Jay

======================


On Wed, 29 Jan 2003 10:49:32 -0500 (EST) "Robert M. Lang"
<lang@isis.mit.edu> writes:
> On Wed, 29 Jan 2003, Alan & Debbie Lindner wrote:
> 
> [stuff deleted]
> 
> > How many different rear end ratios are there?
> 
> From the factory there was 3.70 (US Fed. Spec) and 3.45 (PI cars).
> 
> There were various ratios available from the competition dept., 
> 4.10
> (available as an optional ratio on the TR4's from the dealer) and 
> then
> 4.33, 4.55 and 4.88 (actually 4.875). 
> 
> > I thought they were  
> > 3.7:1 or 3.45 (except for Bob Lang with the 4.1:1).
> 
> Just for the record, I run 3.70 on my street car and currently run 
> 4.88 in
> the race car. The race car is going to get the 4.33 set over the 
> winter.
> And I'd better get "crackin'", there's about nine weeks to the first 
> event
> in 2003. YIKES!
> 
> I have thought about 4.10's for the street car (and an O/D) but the 
> race
> car uses up most of my Triumph $$$. The race car also uses up some 
> of my
> mortgage money and some of my food money. If I still drank beer, it 
> would
> use some of that too. =:-0
> 
> > Alan
> 
> regards,
> rml
>
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