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10-07-2013, 03:11 PM | #1 |
Senior Member
Join Date: May 2010
Posts: 893
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o.k what is this for? 10x39 r/pinion matched
Going thru some ring and pinions to inventory(have had for some 40 years) and came across an odd one. 48-Center case with a 10 tooth pinion and the ring gear is 39 teeth. The pinion has the marking 10-39 and is ford script. Ratio 3:90 what is this for quicker off the line than 3:78? Anybody?. Thanks.
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