I doubt it matters whether the grooves go toward the front or back. The oil is going to get in there no matter what. I don't recall the replacement u-joint I got had those grooves.


Kevin
1951 Chevy 3100 work truck
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1929 Ford pickup restored from the ground up. | 1929 Ford Special Coupe (First car)
Busting rust since the mid-60's
If you're smart enough to take it apart, you darn well better be smart enough to put it back together.