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Re: 4.55 differential ratio

Subject: Re: 4.55 differential ratio
Date: Sun, 22 Apr 2001 11:12:51 EDT
In a message dated 22/04/01 5:20:01 AM Pacific Daylight Time, writes:

> My notes tell me the 4.55 diff (9/41) was a MG Magnette and MG Special 
> tuning ratio.  Were
> there other marques that used this ratio in the banjo style axle?

This ratio was used throughout the BMC sedan range on various models 
including Austin, Morris and Wolseley, none of which are too likely to be 
thick on the ground where you are.

They also had (and I have used for racing) a 4.88 and a 5.12 - the latter, 
out of a Morris postal van, makes a killer hillclimb or slalom ratio, as you 
never have to get back into first gear.

A very nice combination for an MGB for racing is the 4.55 or 4.88 with an OD, 
but you have to use the OD properly, or you'll fry it!

Bill S.

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