[s-cars] RS2 mods, what's better??

[Richard Hoffman]

>From what I understand of 01E transmissions, it is the narrow first gear 
failure which is most common, and only prevalent on cars bearing 
turbochargers - not at all a problem with the European 4.2L S4s and narrow 
1st gear. The steep angle of the torque curve puts much greater stress on 
the gear than higher torque but a flatter curve, hence the gear can flex and 
all of a sudden you have teeth which are not meshing correctly and galling 
or breaking the gear.

The solution was to install a larger 35mm 1st gear (up from 28) in the 
affected cars beginning in Europe in 94.5 model revision and in the US with 
the 95.5 S6.  Unfortunately, that means there are very few 5 speed 
transmissions in the states with the wide 1st gear, so the 6-speed swap 
(which is a perfect bolt-in) is very common.

HTH
Richard
----- Original Message ----- 
From: <Djdawson2 at aol.com>
To: <rich at beebecomm.com>; <s-car-list at audifans.com>
Sent: Friday, August 19, 2005 2:21 PM
Subject: Re: [s-cars] RS2 mods, what's better??


>
> In a message dated 8/19/2005 3:16:40 PM Mountain Daylight Time,
> rich at beebecomm.com writes:
>
> i'm  curious whether the 95.5 5speed holds up better as  well.
>
>
>
> The S6 trans doesn't have the same issue.... just the  S4.
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