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Author Topic: How to read a spicer gear stamp?  (Read 2871 times)

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Offline Nightpath

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How to read a spicer gear stamp?
« on: April 04, 2014, 08:36:41 PM »
I pulled my front axle apart so I could start restoring it in case I need it.  I was curious about the ratio but all the is is a bunch of gobbledygook I can't decipher.

The numbers on the big gear are

0951 11 6 86 spicert32957ma1aa571 46 ' 13

Does anyone know how to decipher that?  I'd like to know what's in the four certain before I go cleaning it.
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Offline Mernsy

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Re: How to read a spicer gear stamp?
« Reply #1 on: April 05, 2014, 06:46:05 AM »
All four cylinder Eagles came with 3.54:1 ratios.

Ring gear diameter 7 9/16".
Pinion/Ring Gear combo: 13/46.
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Offline Nightpath

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Re: How to read a spicer gear stamp?
« Reply #2 on: April 05, 2014, 11:42:29 AM »
Works for me. Just looks like the old guy have stuff rimmed everywhere.
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Offline carnuck

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Re: How to read a spicer gear stamp?
« Reply #3 on: April 06, 2014, 06:25:17 PM »
46 / 13 = 3.53846154
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AMC/Jeep gauges are for amusement only. Any correlation between them and reality is purely coincidental!

Offline SpreadEagle

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Re: How to read a spicer gear stamp?
« Reply #4 on: April 06, 2014, 07:35:17 PM »
Quote from: carnuck on April 06, 2014, 06:25:17 PM
46 / 13 = 3.53846154
So the last 2 #'s are the tooth counts per gear.. First load are probably a part, ID or Serial #.
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