[ROVERNET - UK] P6B Differential ratios

Kent Kinard kkinard at swbell.net
Fri Jan 13 22:02:28 GMT 2006

Hi Peter,
It's a great idea if you could find a gearset somewhere in the 
neighborhood of 2.80:1, but I just don't know of any gearsets in this 
vicinity that would fit the housing.  While the 2200's use the v8 
differential with different ratios, the earlier 4 cylinder differential 
gears are of a different design and will not fit the v8 housing. 
Somebody tell me if that's not exactly right.

Kent K.

Peter Mitchell wrote:

> Hello Netters
> When I joined the group 2 years ago, it was with a query about changing my
> BW65 auto transmission over to an overdrive tranny, and I still have the
> responses printed out in my file.  This project still lurks within my mind,
> however I have been giving thought of late to another way of reducing my
> engine revs for the cruise.
> I understand that my standard P6B differential has a 3.08:1 ratio, but that
> the Rover 2000 had a 3.54:1, and some rally Rovers had a 4:1 ratio.... Is
> this right?
> Therefore, could I exchange my differential/or its gears, for ones of a
> higher ratio?
> Comments would be most gratefully received.  I have a spare standard diff,
> so there is the opportunity work on it on a bench without taking my car off
> the road.
> Rovergearlingly [sorry Kent]
> Peter Mitchell
> Perth WA [Oz]
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