Don't discount Precision U-joints. Napa and O'Reilly both carry Precision and I've had good luck with them. Still made in the US.

 

I've run a couple precision and they did well. They did start to show signs of minor wear after a while, but I'm hard on parts. I've had the Spicers in there for a while now and they're rock solid. Spicers would be preferred for something with more joint angle or that slams the driveline hard. They make theirs knowing they go into vehicles that get beat on and abuse u joints. Of course, nothing in my entire drivetrain is stock, except the shaft itself.

 

True. That's why I recommend Precision's special heavy-duty u-joints to all of my 4WD and big block customers. The local 4WD performance shop uses them in all of their vehicles.

Unfortunately they don't make them for this application=/

 

I finally made it to the driveline shop today, the guy pulled out his book right away like Starfury said, took all the measurements, looked in the computer and said there was one in Denver and he could have it here tomorrow. I had more hope right off the bat when he looked at the u joint in my hand and said looks like you have a combo one. So here's to tomorrow going well...

On a side note, Spicer U joints are not cheap man, he said it was going to be $42. The regular Precision u joint I bought for the rear was only $20. At this point I don't care, as long as I get my car back together before the Rocky Mountain Mustang Roundup I'll be happy.

 

Spicers are more expensive, but they are EXTREMELY well built. The materials and manufacturing quality makes them more expensive.

 

I went and picked the u joint up at lunch today. It's the correct one, so that is good news. Hopefully I'll get it in the car tomorrow.

 

U joint is in and all vibration is finally gone! Well, all the vibration that isn't inherent in a 45 year old car at least.

 

when i bought my Ujoints for my 65 i had to buy them for a falcon iirc same with the starter as the 65 mustang was the wrong part number in their books

 

I even tried that when I was at Napa thinking maybe it would give us one more possible part number to check and still no dice.