Looking to swap my stock ones,on my 70 supreme. partsgeek has a brand called “replacement “ tubular for $330. Has anyone used these? Or Does anyone have any other recommendations. Thanks

hanks

 

I belive they are made by pro comp/ speedmaster. I got them in my 72. Guys swap out the ball joints. I replaced the uppers because these are short for suspension travel for drag racing. So I bought pro forged 1 inch taller ball joints for the uppers. Not bad for the price .

 

Thanks I appreciate it, mine are from 70, definitely due for an upgrade

 

yeah...... I got suckered into those too. They're all over the place under a bunch of different names. Copies of the Hotchkiss design.

Note I only used the lowers. No experience with the offbrand uppers.
Problems:
1) Balljoint hole was ~5thou too small on mine, causing ball joints to be pinched. This can be quite hard to diagnose because most ball joints are hard to move anyway. Eventually had a machinist cut them to the right size but he f'd up one of them. Installed a sleeve and, well, it held together. But I retired that set.

2) Bushings looked like they were carved by hand with a dull knife. Thankfully the Hotchkiss ones drop right in and hotchkiss sells a "rebuild" kit.

3) the bump stop is a hard plastic puck, and very short. But they use a standard mount so you can replace with a better stop

4) The lower ball joint is in a huge round sleeve. I think it's fine for standard ball joints but I was using extra tall lower joints. This caused the bottom of the sleeve to push the disc brake dust shield into the rotor. Liberal application of angle grinder resolved it, but didn't realize until it was far too late and had ruined two rotors and pads.

5) one of the arms had something rattling around inside.

6) The rubber spring pockets fall apart.

Good stuff:
All the welds were good
powder coat was good
right height and alignment were good

I wouldn't do it again. If you have a broken arm and need something quick, sure. Otherwise, save up for a name brand.

 

Thanks for all the feedback, I’m gonna put goodmark ones on. Probably hold up better.