Sprites from HAN9/77591 and Midgets from GAN4/66226 were originally equipped
with the 3.9 diff. This beginning in December 1968. Who knows what a PO
might have done in the '71 you refer to; it's advisable to inspect the diff
itself to confirm its ratio. The numbers on the top right of the diff casing
tell the tale, unless someone has changed the pinion and crown wheel inside
the casing. So, the only certain method is to count teeth.
The 3.7 diff went into Midgets from GAN6/200001 in August 1977. These seem a
little harder to come by.
Doug Ingram
Victoria BC
1958 Sprite (AN5L/636)
1963 Sprite Mk II project (HAN7L/30003)
----- Original Message -----
From <SDOliner at aol.com>
To: <spridgets@autox.team.net>
Sent: Wednesday, April 17, 2002 6:19 AM
Subject: Want to buy a good used diff plus a little help form the Chesse
heads
> I may be getting a bunch of stuff from a guy parting out a Midget.
> Short of checking the numbers of the casting, is there anyway to know the
> rear end ratio in a 1971 Midget?
>
snip
>
> David Oliner
> 59,60 Bugeyes
> 67 TR4A
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