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Old 08-18-2013, 07:20 PM   #1
chucks70
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ring gear part # ID

Trying to figure the gear ratio of a HO72 rear axle with a part # stamped int the ring gear of 3682104 any ideas?
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Old 08-18-2013, 07:54 PM   #2
SS Tim
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Re: ring gear part # ID

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Originally Posted by chucks70 View Post
Trying to figure the gear ratio of a HO72 rear axle with a part # stamped int the ring gear of 3682104 any ideas?
4.57, The set should have a 32/7 tooth count with both HO52 and HO72 usage.
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Old 08-19-2013, 09:06 AM   #3
chucks70
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Re: ring gear part # ID

Thanks very much for the info!!
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Old 08-19-2013, 09:35 PM   #4
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Re: ring gear part # ID

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Thanks very much for the info!!
The ring gear on mine also has the tooth count stamped on it (i did the math to find mine has 3.07 gearing)

If you still have the rear cover off, keep rotating it until you find it.
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