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Re: [Fot] T5 conversion

To: Larry Young <cartravel@pobox.com>
Subject: Re: [Fot] T5 conversion
From: John Hasty <jhasty@mhc-law.com>
Date: Thu, 25 Dec 2014 00:17:13 +0000
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Thread-index: AQHQH6zsV6RQdJPnT62hmbRyoG/r7ZyfcOot
Thread-topic: [Fot] T5 conversion
Neat!  I agree having run Larry's car for 4 years now, but not being able to
find syncros that work are costing me at least a second or two a lap.  This
makes a T5 really appealing

Sent from my iPhone

> On Dec 24, 2014, at 3:34 PM, "Larry Young" <cartravel@pobox.com> wrote:
>
> It should be mentioned that some groups don't allow a 5-speed (e.g. CVAR).
The jump from 2nd to 3rd is one reason I switched from a 3.7 close ratio to a
4.55 close ratio with overdrive.  With the later setup 3rd replaces 2nd, 4th
replace 3rd and 4th-OD replaces 4th. The jumps in the top three gears are
about 20 percent.  It seems that with most of the tracks I ran on, I needed 2
gears for most of the track with perhaps a higher gear needed on the longest
straight or a lower gear in the tightest corner.  I remember one time when I
lost a throw out bearing at Hallett.  I lost only about a second using just
3rd and 3rd OD. I know an overdrive is "old school", but you get some good
ratios and the satisfaction of knowing you a truly vintage. I seldom had
trouble with mine.
> - Larry
>
>> On 12/23/2014 9:19 AM, Robert M. Lang wrote:
>> Hi,
>>
>> Last point for now, then I'll shut up. If you look at the list of T5 ID
numbers here:
>>
>> http://www.britishv8.org/articles/borg-warner-t5-id-tags.htm
>>
>> you'll see that there are lots of different ratios out there. If you limit
to reasonable choices you'll see that the jump from 2nd to third is pretty
large, hence my suggestion that they aren't ideal for racing. But you can
limit your choices another way - stay away from the O/D 5th that's more than
about .8 (for example, the .63 ratio 5th for the 84 Mustang / Capri V8 is
totally unsuitable for a Triumph)
>>
>> Again, just IMHO.
>>
>> Regards,
>> rml
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