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Old 12-27-2013, 09:36 AM   #7
special-K
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Join Date: Nov 2004
Location: Mt Airy, MD
Posts: 85,851
Re: used ring pinion

The issue is setting the rear up properly,new or used. A ring and pinion can last forever. If the ring and pinion are a mated pair that has always been together,and there is no physical damage,a used set is fine. I think in this situation,though,I'd buy the new,because you have to buy one or the other anyway. $250 vs $150 I'd buy new.

I'm using used ring & pinion in my '67 project ('71 frame/rear). I bought the frame complete. Towing it home on a dolly the pinion nut backed off (didn't know it wasn't torqued) and caused damage to the teeth. It's a 3.08 ratio and I'm using an M22,so didn't want 3.08s anyway. I bought a posi that came with the 3.42 ring & pinion,so I'm using that...with confidence. Basically,the r&p was free because the whole deal cost less than a new ring & pinion set.
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Tim

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