lower ball joint install problem - Chevy Impala SS Forum
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post #1 of 4 (permalink) Old 02-13-2004, 05:45 PM
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I just got my control arms back from the local speed shop, Steve Ashworth Performance. They were going to install my new bushings (no problem) and my lower ball joints. I go to get them and they say the BJ's are too big and they couldn't get them in. They got them like half way and stopped, took them back out. I measure the holes in the LCA's both are the same;
Largest diameter- 2.082"
Smallest Diameter- 2.068"

The ball joints are from PST (TRW's) they are the same at 2.095" I checked them against another set of TRW's at Advanced Auto and they are the same. I have a large hydraulic press at work so I was thinking about trynig to do this myself. Does anybody know if these numbers all seem right? If they do is there anything I shuold do to press these in like heat the arm or if these numbers seem bad what should I do now?

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post #2 of 4 (permalink) Old 02-13-2004, 05:57 PM
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So the hole in the arm is .013" smaller in dia. than the Balljoint? Wow..

Went out in the garage and measured one of mine. 2.080" ID on the arm.... 2.094" Od on the balljoint... I think that's why they call it a press fit.

Tell the guys at the other shop to get a REAL press. My press had no issue at all with pressing the balljoint in.... It's a 12 ton BTW.
post #3 of 4 (permalink) Old 02-13-2004, 05:58 PM
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If I had to guess, you got the 5/8" balljoints (from late 95 and all 96 9C1) but your spindles/control arms are set up for 9/16" balljoints.

Edit : ok, saw Tom's reply. Try that first
post #4 of 4 (permalink) Old 03-01-2004, 08:01 AM
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I took my LCA's and ball joints (the same ones described above) to a race shop that I used to work on the car. I put them in with another guy who works on the car in less than 30 minutes. I have no idea what the problem was for the good folks at Steve Ashworth Performance (Fuquay-Varina, NC). They may be good engine builders but I seriously question their suspension competence. I also had to go back thru and seat 2 of the 4 bushings in the LCA's, remove the inner bushing because they didn't grease it and I am going to take off the upper control arms now because I don't have a lot of confidence that they greased those properly either.
Close to finished now though. Maybe by next weekend.

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