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01-06-2017, 11:46 PM | #1 |
Registered User
Join Date: Aug 2003
Location: Nashport, OH
Posts: 549
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Alignment Shim Question
OK, 73-87 think tank....is there a set number of a-arm shims that are the "starting point" for a final alignment. My rebuild is at the rolling chassis stage and I would like to "get it close" before I start hanging more stuff.
Thanks a bunch, as always!! |
01-07-2017, 12:59 AM | #2 |
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Join Date: Feb 2012
Location: Beautiful BC, Canada, eh?!
Posts: 2,235
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Re: Alignment Shim Question
When I put my whole suspension back together, I split all my shims equally all around (I didn't keep track of where they came from, plus I had put in all poly bushings, new lower ball joints, and moved the lower arms 3/4" forward).
Turned out actually just fine for Caster and Camber. Eye-balled toe was out.
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1961 Apache: "Grabber Orange" Shortboxed, pancake, step-notch, air-ride, boosted-LS 1977 Silverado: Shortboxed & dropped, potato-potato V8 Pontiac Firefly (Chevy Sprint): The ultimate engine swap: 5.7L in a 1.0L bag Lotus Super 7 Replica: Scratch-built street-legal rollerskate |
01-07-2017, 12:43 PM | #3 |
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Join Date: Feb 2005
Location: Saskatoon, SK
Posts: 97
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Re: Alignment Shim Question
When I disassembled my untouched front end on my '79 I had 4 original shims (per stud) on each side which was about 1/2" worth. I seem to remember reading that number in the shop manual as well, but I could be wrong.
After replacing the entire front end including control arm bushings they didn't touch the passenger side shims, but the drivers side was out a bit. Kind of bugs me because now I wonder if its just sagged original springs on the drivers side, or JUST now I realize I probably only had fuel in the drivers side tank. Sigh |
01-07-2017, 03:29 PM | #4 |
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Join Date: Aug 2003
Location: Nashport, OH
Posts: 549
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Re: Alignment Shim Question
Thanks folks!
I have all new bushings in mine and it has been lowered. I know I will have to have professionals do a good alignment when the truck is done. I was guessing that there was a factory "starting point" that I could rough in but cannot find a reference to it anywhere Maybe oldpurple's 4,4,4,4 will be a good start. Take care, Barry |
01-09-2017, 03:49 PM | #5 |
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Join Date: Dec 2016
Location: celina
Posts: 10
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Re: Alignment Shim Question
This is great I was just about to pose the same question! These
Forums are great! Thanks. |
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