1948 - 1956 F1, F100 & Larger F-Series Trucks Discuss the Fat Fendered and Classic Ford Trucks

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Oct 20, 2002 | 07:43 PM

#1

1956f100

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From: California

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Oct 21, 2002 | 04:44 PM

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58ford

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From: 29 palms usa

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Another question to all the classic ford gurus. I have a 58 ford with the stock 9". Does anyone know what spline count I have, or do i just need to tear it down. I'm going to change out to 3.73 or 3.50's but i don't know if I hae a 28 or 31 spline count.Any help is appreciated. Happy fording.

Green Rolling Eyes

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Oct 22, 2002 | 12:27 AM

#3

truckfarmer

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if no one has messed with it, you should have a 28 spline axle. 57-72's used the 28 spline. It seems easier to find a wider variety of gear ratios for the 28 splines.

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Oct 22, 2002 | 12:30 AM

#4

58ford

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From: 29 palms usa

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thnks for the info truck farmer.

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Oct 22, 2002 | 08:46 AM

#5

PaintedDesert56

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From: Show Low AZ

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http://www.kevinstang.com/Ninecase.htm .Pretty good article.

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