re: 4.3 or 4.1:1 final drive

[Joe Elliott <jee@domain.elided>]

I'm assuming that you're talking about 116/162 transaxles.  I don't 
know about the 4 cylinders, but 2.5L cars have a 3.43:1 or 4.10:1, 
and 3.0L cars have (I think) a 3.55:1 (75/Milano) or ~3.9:1 (SZ/RZ). 
Anyway, that's not what you asked...  You need to open the diff 
housing and count the teeth on the pinion and ring gears.  I believe 
a 4.1 and a 3.4 have 41 teeth on the ring gear, with the difference 
lying in the pinion (10 vs 12).  The 3.55, IIRC, has 39 teeth on the 
ring and 11 on the pinion.  So I would assume that the SZ's 3.9:1 
rear end used 39 and 11 teeth on the ring and pinion, respectively.

Hope that helps,
Joe "Don't take my word for it, ask John H." Elliott

At 10:50 PM -0400 7/22/02, alfa-digest wrote:

> Date: Tue, 23 Jul 2002 10:44:09 +1000
> From: "Martin Kraus" <krausy@domain.elided>
> Subject: 4.3 or 4.1:1 final drive
>
> Alfisti,
> I need to find out if one of my spare transaxles contains a 4.3:1 final drive.
> Can't find any reference on how to verify this. I assume I open the rhs diff
> housing but how and where do I go from there?
> Thanks.
> Martin in Sydney
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