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#1 |
Senior Member
![]() ![]() Join Date: Jan 2005
Location: CA
Posts: 5,566
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Upper Control Arm Mounting Stud Convex Washer Removal
I bought a set of convex/concave washers that are thinner than stock from Performance Online to decrease my camber. I went to remove the originals, but the convex washers seem to be pressed onto knurls on the studs. I tried hammering a wedge shaped chisel behind them, but they would not budge. I'd like to remove the originals without destroying them. Any suggestions?
https://www.performanceonline.com/19...-Control-Arms/ |
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#2 |
Registered User
Join Date: Apr 2001
Location: DALLAS,TX
Posts: 21,983
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Re: Upper Control Arm Mounting Stud Convex Washer Removal
You could try heating them w/a torch. It's possible the expansion from heat will provide enough clearance to get them off.
__________________
67SWB-B.B.RetroRod 64SWB-Recycle 89CCDually-Driver/Tow Truck 99CCSWB Driver All Fleetsides @rattlecankustoms in IG Building a small, high rpm engine with the perfect bore, stroke and rod ratio is very impressive. It's like a highly skilled Morrocan sword fighter with a Damascus Steel Scimitar..... Cubic inches is like Indiana Jones with a cheap pistol. |
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#3 |
Senior Member
![]() ![]() Join Date: Jan 2005
Location: CA
Posts: 5,566
|
Re: Upper Control Arm Mounting Stud Convex Washer Removal
I'll give that a try. Thanks.
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#4 |
Senior Member
![]() ![]() Join Date: Jan 2005
Location: CA
Posts: 5,566
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Re: Upper Control Arm Mounting Stud Convex Washer Removal
Ok, well I failed at my original goal to remove them without wrecking them, but they are off. I think it would be possible to get them off without damage by pounding the studs out of the frame. I tried doing that, but the studs didn't want to budge at a level of hammering I was comfortable with. Instead, I welded one end of a wrist pin to the spacer and welded a nut to the other end of the wrist pin so I could use a slide hammer to remove the spacer. Not the most efficient process, but it worked, and it was clean. Another option would have been to cut the spacers with a Dremel, but I didn't want to risk damaging the crossmember or studs.
I used the original nut and some stacked up spacers to press the new spacer back onto each stud. |
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#5 |
Senior Member
![]() ![]() Join Date: Jan 2005
Location: CA
Posts: 5,566
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Re: Upper Control Arm Mounting Stud Convex Washer Removal
I received a question about the alignment specs I was able to achieve with these thinner spacers. I haven't adjusted the alignment yet because I'm waiting until after I've replaced my steering gearbox. I do, however, have my alignment specs from before replacing the spacers. I had no shims on the front driver side stud, and I had one 1/16" shim on the other three studs to achieve the alignment shown below.
Now that I've got the thinner spacers installed, I've got an additional 3/16" worth of shims on every stud to work with. I'm hoping to achieve 6-8° caster and 0.5-1° negative camber on the next go-around, based on recommendations from this thread: http://67-72chevytrucks.com/vboard/s...d.php?t=419251 By the way, I've got 2-1/2" Western Chassis drop spindles and 1" drop springs. My control arms are stock. |
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#6 | |
Registered User
Join Date: Mar 2012
Location: Sonoma CA
Posts: 55
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Re: Upper Control Arm Mounting Stud Convex Washer Removal
Quote:
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#7 |
Senior Member
![]() ![]() Join Date: Jan 2005
Location: CA
Posts: 5,566
|
Re: Upper Control Arm Mounting Stud Convex Washer Removal
It's going to be a couple of months before I get around to replacing my steering gearbox. I will report back with my alignment results once I have them.
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