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Pre-Power Stroke Diesel (7.3L IDI & 6.9L)
gear ratio?

Pre-Power Stroke Diesel (7.3L IDI & 6.9L) Diesel Topics Only

gear ratio?

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Old

Sep 6, 2006 | 06:39 PM

#1

custom1

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Joined: Feb 2006

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gear ratio?

I have a 1984 f-250 2w drive diesel truck that i am curious about the rear end gear ratio. there is no tag on the rear end, just the tag on the door jam say's the axle code is 31 and help please?

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Old

Sep 6, 2006 | 07:48 PM

#2

pnose

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Joined: Aug 2003

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From: newfoundland canada

code 31=373 open diff

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Old

Sep 7, 2006 | 10:18 AM

#3

dwaymar

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Joined: Sep 2005

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ok if his is 31 AND = 373 I HAVE A 85 WITH CODE 39 DOES THIS = 355 OR WHAT THANKS
sorry bout the caps keybord starting to stick to many drinks sitting to close to it i guess or maybe just getting old

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Old

Sep 7, 2006 | 05:56 PM

#4

pnose

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Joined: Aug 2003

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From: newfoundland canada

39=355 open diff

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