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Hi, Anyone know the first year the 300 did NOT use the “winged bearing caps” on rear U joint? (the 2 caps look like “ears” , for 4 bolts, into rear pinion flange) ? the change (? Late 50’s or 60?) was to a symmetrical U joint with 4 round bearing caps , which ---I also found out today-- has larger diameters on the cross pins, at least on Neapco, ---- although the outside diameter of the round bearing caps remains the same—so it fits our older drive shafts OK .So it is much much stronger ; this is the so called the 7260 joint (“small dodge”) used for 20 + years , or a replacement for it, –and readily available. This joint works by sitting into “U” shaped machined grooves or seats in the pinion flange and is retained side to side by snap rings or steps (like the drive shaft side) and a steel flat strap over the top of U and bearing cup , with 4 bolts into flange “U” tops (no U bolts or ears ) ; I have located I think a good guy source for the correct flange that fits the 10 spline pinion, brand new, cast steel. I believe all 300’s had a 10 spline 8 ¾ pinion ? Assume all same diameter but do not know that for sure. 63 flange has been swapped to 57,a good sign . Original idea of using a new 7260 joint with old winged caps is not useable , due to the larger diameter stronger cross pins on the 7260 replacement I have . So best route appears to be change the flange. Will post more on flange once I get one and try all this . All this appears to apply to dodge, Plymouth etc 57 era, too. __._,_.___ Posted by: "John Grady" <jkg@xxxxxxxxxxxxxxxxx> To send a message to this group, send an email to: Chrysler300@xxxxxxxxxxxxxxx To unsubscribe from this group, send an email to bob@xxxxxxxxxxxxx or go to https://groups.yahoo.com/neo/groups/all/manage/edit For list server instructions, go to http://www.chrysler300club.com/yahoolist/inst.htm For archives go to http://www.forwardlook.net/300-archive/search.htm#querylang __,_._,___ |
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