The Ford Barn

arc40s · 07-31-2022, 10:58 AM

Please clear question. what is correct 3:54 pinon / ring gear tooth count. 1941 ford banjo rear end
9 - 32 ?
11 - 39 ?
8-3/4" od
thanks

Tim Ayers · 07-31-2022, 11:20 AM

Quote:

Originally Posted by arc40s

Please clear question. what is correct 3:54 pinon / ring gear tooth count. 1941 ford banjo rear end
9 - 32 ?
11 - 39 ?
8-3/4" od
thanks

I thought it was 11-39, but now you have me second guessing.

deuce lover · 07-31-2022, 11:32 AM

11-39, Motive(Italian repop) at one time made a 9-32 - 10 spline.

41ford1 · 07-31-2022, 03:58 PM

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32/9 = 3.55:1
11/39= 3.54:1
The diff in the avatar is marked 11 39 and checked put to 3.54:1.

07-31-2022, 10:58 AM	#1
arc40s Member Join Date: Jul 2010 Location: Sugar Land, TX Posts: 80	Tooth count Please clear question. what is correct 3:54 pinon / ring gear tooth count. 1941 ford banjo rear end 9 - 32 ? 11 - 39 ? 8-3/4" od thanks

07-31-2022, 11:32 AM	#3
deuce lover Senior Member Join Date: May 2010 Location: Southern France Posts: 5,305	Re: Tooth count 11-39, Motive(Italian repop) at one time made a 9-32 - 10 spline.

07-31-2022, 03:58 PM	#4
41ford1 Senior Member Join Date: May 2010 Location: ManchVegas, New Hampshah Posts: 1,589	Re: Tooth count Sponsored Links (Register now to hide all advertisements) 32/9 = 3.55:1 11/39= 3.54:1 The diff in the avatar is marked 11 39 and checked put to 3.54:1. __________________ You are never to old to enjoy your childhood. Forty1fordpickup on the HAMB.