Final drive gears and ratios

chuck blanford

New member
Feb 6, 1998
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Manny

Wouldn't the Pinion 12, ring 41 = 3:42?

and who makes the 3:42 MP?

Thanks
Chuck

- -----Original Message-----
From: MTrovao
To: gmcmotorhome
Date: Thursday, January 27, 2000 9:27 AM
Subject: GMC: Final drive gears and ratios

>I just picked up my 3.70 final drive and in talking to Jim Kanomata about
his
>gears, found some information that I would like to share about the
different
>teeth for different ratios
>On the 3:07, pinion has 14, ring 43. (GM)
>On the 3:21, pinion has 14, ring 45. (GM)
>On the 3:55, pinion has 11, ring 39. (J K)
>On the 3:55, pinion has 12, ring 41. (MP)
>On the 3:70, pinion has 10, ring 37. (J K)
>
>Manny Trovao
>73 Custom/ex-Glacier
>San Jose, California
>
 
Manny:

3.42 is made by Richmond Gear for Cinnabar.

Paul Bartz

From: MTrovao [mailto:MTrovao]
Sent: Thursday, January 27, 2000 12:55 PM

In a message dated 1/27/00 9:42:06 AM Pacific Standard Time,

Manny

Wouldn't the Pinion 12, ring 41 = 3:42? and who makes the 3:42 MP?

Chuck

Chuck, you're right. Its 3:42 or 3:46
Can't even read my notes.
MP= Marvin Peck.