Progress Thread Budget 89 GT

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I got my gears put back together. Now the drive shaft won’t fit back in the car..... what in the hell. The splines on the yoke look ok I cleaned them out and still nothing . Wondering if the splines on the output shaft are twisted? Bushing on the rear control arms loose? It need about a 1/4” more to get the pinion nut into the center of the drive shaft piece that bolts to the rear pinion. Never had this problem before . Ever . I’ve change these gears twice before and never had this problem .
 
Another thought. Would these threads be longer than any other 8.8 pinion gear? They kind of look longer like I have a lot of threads showing compared to usual.
Not sure what they came out of I got them off eBay from a ford scrap yard
 
I think it has to be the splines are twisted in the yoke looks like they are just barely off the last 3/4” of an inch down
 

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I see exactly what you're talking about. Seems odd though. You'd have to be hooking pretty hard to twist those spines.