Rokhound Posted November 26, 2006 Share Posted November 26, 2006 Ok I think I have asked these before. I pulled the front diff cover off and I have no clue what gear I have and these number mean nothing to me so could some one tell me what these number mean. The numbers are 9 1490 Dana D42701 P82049 3911 145 then the numbers on the u clip things are the passenger side is 317 c35 and the driver side is 317 c44 What the hec does all this mean please? Link to comment Share on other sites More sharing options...
DansGreyMj Posted November 26, 2006 Share Posted November 26, 2006 3.54s Link to comment Share on other sites More sharing options...
aemsee Posted November 26, 2006 Share Posted November 26, 2006 The 39 is the number of teeth on the ring gear and the 11 is the number of teeth on the pinion gear. Link to comment Share on other sites More sharing options...
fiatslug87 Posted November 26, 2006 Share Posted November 26, 2006 I think the 3911 is Ring/Pinion gear tooth combination 39-ring/11-pinion which gives you a 3.55:1 axle ratio. OOPS too late!!! Link to comment Share on other sites More sharing options...
Rokhound Posted November 26, 2006 Author Share Posted November 26, 2006 sweet you guys rock thanks Link to comment Share on other sites More sharing options...
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