U-joint girdles

FASTBACK340 said

Hmm... I guess I'm crawling back under the car tomorrow and I'll measure again. That's awefully close... IIRC, mine was just a hair over 1", but then again, that's not good enough. Thanks for the link. I'll look it over when I'm done here. I have a 489 case with a 1 3/4" pinion nut. I also have a bolt hole for one of the cap straps.... the previous owner must have drilled through when the hole got stripped. PLEASE don't tell me I have a grenade!!!!!!!!!!! The last thing I want to hear now is that I have to start rebuilding the center section!!!!!!!! :shock:

%$#@#$%^ car....

Click to expand...

Let me know if you come up with something different. I have 2 small yokes here and that's what I measured on both of them. I also have a 3rd member with the 7290 yoke and it measured what the article said.

I've seen guys drill through them when they strip out. I wouldn't do it unless it was for a temporary repair and not a racing application. Does it have any vibration from the extra long bolt and nut adding weight? As far as it being a gernade. I doubt that it is any more prone to breaking than the stock bolt would be. Only problem is with the 489 case is if you have to change the yoke you can disturb the crush sleeve easy. I also have a 489 and when I rebuild it I'm going to use one of the solid spacers they now make.