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**'68OrangeSunshine** · 08-08-2010, 04:31 AM

Well maybe I'll swap out the axle for something that works. I did the math after I posted. As I recall. I once read 41.11 on a ring gear and assumed it meant it was a 4.11 rear. But a real machanic said I had to divide. So 11 into 41 is 3.7272727 = 3.73, then 14 into 43 = 3.0714286 :. 3.07.
I have a downed '67 K/10 Suburban with a 12-bolt 3.73 and auburn posi that I had rebuilt in the mid '90s. May be the best candidate. Putting a 3.07 rear on a 4x4 with a 3.73 D44 front is asking for trouble.

08-08-2010, 04:31 AM	#3
'68OrangeSunshine Senior Member Join Date: Feb 2002 Location: Tucson, AZ USA Posts: 7,092	Re: Diff Ratio ID Well maybe I'll swap out the axle for something that works. I did the math after I posted. As I recall. I once read 41.11 on a ring gear and assumed it meant it was a 4.11 rear. But a real machanic said I had to divide. So 11 into 41 is 3.7272727 = 3.73, then 14 into 43 = 3.0714286 :. 3.07. I have a downed '67 K/10 Suburban with a 12-bolt 3.73 and auburn posi that I had rebuilt in the mid '90s. May be the best candidate. Putting a 3.07 rear on a 4x4 with a 3.73 D44 front is asking for trouble. __________________ Every 25 years I like to rebuild that 292, whether it needs it or not. Last edited by '68OrangeSunshine; 08-08-2010 at 04:34 AM.