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Re: Rear Gear Tooth Count 4 Ratio?

To: jpquinn@cyberramp.net
Subject: Re: Rear Gear Tooth Count 4 Ratio?
From: gofastmg@juno.com (Rick Morrison)
Date: Sun, 03 May 1998 15:06:32 EDT
On Sun, 03 May 1998 08:48:51 -0500 Jay Quinn <jpquinn@cyberramp.net>
writes:
>Is it possible for me to count the number of teeth
>on the ring as well as the pinion gears and come up 
>with the ratio?
 Yes, the ratio is the number of ring gear teeth divided by the number of
pinion teeth.
 For example - the ring gear has 43 teeth and the pinion gear has 11
teeth
  Then, 43 divided by 11 (43/11) equals 3.9090909, or as is generally
written, 3.90:1
 For what it's worth, many older car manuals refered to the rear axle
ratio as a ratio of ring gear to pinion gear without any division. The
std MGB axle would have been called a 43 to 11 rear end.
 
Rick Morrison
72 MGBGT
74 Midget
 
>If so, then whats the ring gear and pinion gear 
>tooth count numbers to determine the ratio for 4.22:1, 
>3.9:1 and 3.7:1?

>TIA,
>
>Q
>
>
>



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