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02-11-2015 #1
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- Join Date
- Apr 2012
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- 385
Washer Under Ball Joint Castle Nut
Hey Guys,
I am in the process of building my pro touring race car and I ran into a small issue with the lower control arm ball joint and castle nut. I have the Speed Tech AFX alluminum spindles and I installed the lower ball joint castle nut and torqued to 80 lbs. Well I realized that 80 lbs is the torque amount for a cast iron spindle. So I removed the castle nut and the re-torqued to the correct 40 lbs. I installed a grade 8 flat washer under the castle nut to get the cotter pin hole to line up correctly in the castle nut. Do you guys see any problem with this? Here is a picture.
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02-11-2015 #2
Registered User
- Join Date
- Apr 2012
- Location
- Woodstock, IL
- Posts
- 2,410
No sir, no problems there.
-Dale
Edit: I was only responding to a washer underneath it (read outside the lines) - I also recommend replacing the ball joint since it sounds like something stretched out!Last edited by Schwartz Performance; 02-11-2015 at 03:44 PM.
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02-11-2015 #3
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- Jun 2012
- Posts
- 250
I would replace the ball joint.
If you streched the stud it could fail.
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02-11-2015 #4
Starting The Transformation
- Join Date
- Sep 2008
- Location
- Sacramento, CA
- Posts
- 410
The balljoint is likely fine but we would suggest replacing it just to be safe. The threaded section is what would be stretched and that's the weakest point of the balljoint. More likely is it would do damage to the upright. As you have the aluminum ATS spindle so I recommend calling Speed Tech to get their opinion.
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02-11-2015 #5
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- Join Date
- Sep 2011
- Location
- Southern Ontario
- Posts
- 640
If that balljoint can also be used with a cast iron upright, and I'm sure it can, then it is good for 80 lbs, so no issue there. I would personally not be concerned about having the 80 lb torque do any damage to the 1/2" thick or so aluminum, but better safe than sorry so call speedtech.
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