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Reply to "universal joint info pls car 3840"

Spicer halfshafts were gold-alodined while stockers were a greenish hammertone. Spicers use Ford F-500 truck u-joints. Stock halfshafts use even larger ones! Most aftermarket joints once sold for stock-replacement did in fact need super-thin retaining rings, and some combinations had tolerance stack-ups that needed the thinnest rings carefully stoned down even further.

On one car, I had to take the cross out of a u-joint assembly and wheel-grind the ends down a bit, re-chamfer and then regrease them. Works fine as long as you don't turn them blue during grinding. Note that brand new u-joints (any brand, any car) only have shelf-storage grease on them in the box- not nearly enough grease to run 300 bhp through! Or at least not for long...
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