3-link using uca 'ears'... strength?

shadychevyowner · Mar 7, 2017

Id look into what the s-10 guys use for top link mounts for air suspension. They use a bracket that uses all the case bolts in the cover. Welding top mounts on a cast center section it sketchy like that fbody rear. Or you could weld a steel brace across the top and weld ears to that like the 4wd guys use but there is not alot of room above the rear in the car.

Doober · Mar 7, 2017

No welding on the case, the bracket would bolt to the upper ears and locate the upper arm in the center. I'm up in the air about keeping regular bushings or doing a solid mount, which would probably transmit more vibration.

I'm considering finding a cover that would be the center pivot for the watts link and attempting to build my own, but I'll keep the diff cover option in mind... though I'd probably see if they would just do a single mount in the center instead of two (first result I found, I'm sure there are other vendors).

shadychevyowner · Mar 7, 2017

Doober said:
No welding on the case, the bracket would bolt to the upper ears and locate the upper arm in the center. I'm up in the air about keeping regular bushings or doing a solid mount, which would probably transmit more vibration.

I'm considering finding a cover that would be the center pivot for the watts link and attempting to build my own, but I'll keep the diff cover option in mind... though I'd probably see if they would just do a single mount in the center instead of two (first result I found, I'm sure there are other vendors).

Yep that is what i was talking about. Just make sure however you decide you research a bunch into control arm lengths and pinion angle movement. Would suck to spend alot of time and money to have something that doesnt work right.

Doober · Mar 7, 2017

That's part of why I decided to try this. I read of a couple other people attempting it, but the upper arms were bout 3" or so shorter, but that would make the pinion move a whole lot when the rear moves up and down. This way I can make the arm whatever length I want (within reason) to best match the length of the lower arms.

LS6 Tommy · Mar 8, 2017

Doober now that I see your sketch I jave a better understanding of what you mean.

Tommy

melloelky · Mar 8, 2017

good for you doob that's pretty cool.

Doober · Mar 21, 2017

Well, somebody on GBodyForum.com pointed me to SouthSideMachine... I never knew they had arms for swapping a B-Body rear in, but it appears they do. Probably not the cheapest, but sure would take out a lot of guesswork.

http://southsidemachineperformance.com/products/b-bsk-p-12-bolt-swap-kit-with-adjustable-upper-control-arms-and-poly-lower-bushings

TURNA · Mar 21, 2017

Those will make some people happy.

Doober · Mar 21, 2017

I was stoked to find out they're made... I'll still need to have it shortened, or run wheels with more backspacing though.

1982 SS · Mar 22, 2017

That just made for a cheaper way to get an 8.5" 10 bolt! To the junk yard!

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3-link using uca 'ears'... strength?

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