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4 KQ gearing



My Bentley specifies a final drive of 4.11 for the CQ.  Also, the "Audi Gold Portfolio" comparism article of the S2 and ur20v lists an S2 final drive of 4.11.  However, my CQ is turning 3900 rpms at 80mph, surely way high relative to the optimal torque/HP sweet spot of an S2's 3B?  I'm concluding that gearbox ratios are different, but in any event, Audi's got a heap of 4.11 rears they scattered about.
 
Brandon Hull
'91 CQ 
 
 
>Ron Wood said:

>In an earlier post, Glen mentioned that 84's have a 4.11 final, >whereas
>the 85-87's have a 3.90 final. I thought that was the case, >however, in
>my microfiche for the 85-87 4KQ, they list a 37/9 (4.11) ring >gear set.