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I'm a big 8 3/4 fan but I'll tell ya this. 600 Real horsepower, nicely prepped track, great hook, 4500 clutch dump and say bye bye. And were talking good innards, too. Mark Williams stuff. I think a little wheel spin is definitely a good thing.

My 8 3/4 has the yoke to use the conversion joint. I believe it's 7260 at the shaft, to 7290 at the yoke. Kinda socks cause you can't get a "greaseless" joint.

I love this story.....

How much hassle changing a rear yoke on a Detroit Tru Trac?

Vice? Hell I have a hydraulic press, but with the caps off, you can't fit the 5-789 body into the yoke. The body is just too wide. Not by much. A 7260 series from Denny's Driveshaft showed up today and fit right in. Grease zerk on the end cap. Still not comfortable with it. If I could get a...

Man. Got a Spicer 5-789x for the tranny joint, which SHOULD work, but it's just a couple thou too big. Cap diameter is ok though. Won't fit in the tranny yoke OR the driveshaft. A Napa joint fits in there fine. Don't want to use the Napa. What the heck! What is the easiest way for me to get...

Will be racing it occasionally. Got no choice but a Rockwood conversion joint. Greaseable but the zerk is not on centerline to the joint. 525 horsepower. 4 speed car. Kinda scary I know, but a few guys I know are running it. Again....no choice, unless someone makes a solid 7260/7290 that nobody...

Napa shows the same part number(7260 type) for both joints. The joint at the tranny is a straight 7260. My rear joint is the 7260 to 7290 at the center section. I'm wondering if this was the factory set-up. Gonna have to do more digging.

Believe it or not, I can't seem to find any non-greaseable U joints for my Demon. I need a 7260 style for the tranny yoke and a 7260/7290 for the rear end joint. Any part numbers or retail info would be a big help. Summit, Jegs, Rockauto all a no go....

Hey godfather, anything vibrate loose on that long trip? Drove my old Chevelle 200 miles on the interstate, many years ago, and when we arrived the shifter was barely hangin' on the tranny. Gas was cheap then... Now that I'm all set up, I definitely need to adjust the pinion angle before any...

Ain't no button in the new one. Detriot Trutrac 4:10 built by DTS. I WOULD like to get the button out of the factory 3:23. I see springs, so I guess it's a cone type posi. I think that means I have to tear the unit apart to get the pin out. Am I right? Hope I'm wrong. Put 140 miles on the new...

Got er all done today. Just had to wing it, which really was no big deal. My factory axle seals were "iffy" so I installed the new ones. Mine are a bit different from those in your pic. The retainer is actually part of the bearing on the ones I bought. Pull off the old and press on the...

I really tried to spare all you guys from yet ANOTHER newb question, but running a search didn't get me what I need. Changing out the center section tomorrow and also putting in the infamous Green bearings. Problem is, they came with no instruction whatsoever and I'm not sure exactly how the...

Thanks guys. The reason I asked for the torque specs is I'm putting a new 4:10 center section in this week. While I'm at it I figured I'd replace the axle bearings also. Do I need any special tools, and what exactly is the Green bearing? Is this the one I want and if so, where can I get a pair...

Wondered if any of you guys had the correct torque specs for the center section nuts on an 8 3/4 and the u joint strap bolts for a 7290 yoke. Help would be greatly appreciated!

Good info. Gonna order in about 15 minutes. Anybody got any idea what speedo gear for a 27 inch tire, 4;10 with a 4 spd?

Anybody out there buy from these guys? Planned on ordering a third member in 4:10 with the Detroit Trutrack posi unit. No cones, no clutches, just gears. Some GM guy told me it's a great street/strip posi unit. Don't wanna order until I hear something from you guys.

Ahhh... thanks for enlightening me. I didn't know the Auburn type was really the dreaded cone type. I want something strong. I will be making a few passes once winter is over. Didn't they all come from the factory with the cone type? I see Mancini has good prices, but they are Auburn posi units...

When you suggest 1350 U joints, exactly what the heck do you mean? Who makes 'em and where can I buy 'em? Thanks Buddy!

Wondered if anyone knows who's got the best price on complete third members for an 8 3/4. I have a 3:23 sure grip right now and want 4:10's. Also, what U joints do you guys feel are the best?