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11-03-2024, 01:29 PM
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#1 |
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Registered User
Join Date: Jul 2010
Location: Watertown, WI
Posts: 75
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Trouble finding correct pinion seal
'69 C10 step side, 12 bolt, stock truck. 8 seals to choose for my truck from Oreilly's. So far I've chosen the wrong one. What do I need to know to get the right seal other then taking the old seal for comparison and ordering all the available seals? Also what's the difference between HO and HA? I've seen HO to be for 3/4 and 1 ton trucks, yet the HO seals look like they would be the right dimensions. Axle says HO 0325.
Last edited by data89; 11-03-2024 at 06:42 PM. |
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11-03-2024, 07:24 PM
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#2 |
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Senior Member
 
Join Date: Sep 2000
Location: Agency IA.
Posts: 1,847
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Re: Trouble finding correct pinion seal
I just did this one yesterday Precision Differential Pinion Seal - 8460N
__________________
72 Chevy short step side with 454 air and tilt. 72 nova project car 63 chevy II drag car Agency Iowa |
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11-03-2024, 09:33 PM
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#3 | |
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Registered User
Join Date: Jul 2010
Location: Watertown, WI
Posts: 75
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Re: Trouble finding correct pinion seal
Quote:
By the way, can you also tell me what the number on my axle means as far as gear ratio? It's stamped HO 0325. I know, I know, it's a dumb question for those who know. |
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11-03-2024, 10:51 PM
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#4 |
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Senior Member
Join Date: Aug 2003
Location: Conyers,Ga.
Posts: 7,288
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Re: Trouble finding correct pinion seal
The book I have shows HO to be a 4:11 posi traction.
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11-04-2024, 09:46 PM
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#5 | |
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Registered User
Join Date: Jul 2010
Location: Watertown, WI
Posts: 75
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Re: Trouble finding correct pinion seal
Quote:
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