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02-19-2018, 01:18 PM
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#1 |
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Registered User
Join Date: Feb 2015
Location: Haslet,TX
Posts: 28
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Wheel Geometry is Off
We have an 86 Silverado lowered on McGaughys spindles and removed 1 coil off the original spring. All steering and suspension was replaced with new parts. After the drop we noticed that the driver side wheel and tire sit further out towards the fender than the passenger side which sits in closer to the frame. I have a buddy with an 84 with brand new CPP A-Arms and spindles doing the same thing. Spoke to another enthusiast having the same issue. Any ideas on what is going on???????
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02-19-2018, 02:15 PM
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#2 |
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Too many projects
Join Date: Mar 2004
Location: Fargo, ND land of the flat hills
Posts: 1,147
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Re: Wheel Geometry is Off
Has the truck been aligned yet? It’s possible that one side has different camber than the other, which will move the top of the tire in or out.
I would also measure tire to frame (after alignment) and frame to body on both sides to check if the body is shifted on the frame.
__________________
Andrew 84 GMC C1500 SWB 6.2 Diesel/700R4/3.42 "Grandpa's odd duck" |
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02-19-2018, 02:29 PM
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#3 |
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Registered User
Join Date: Feb 2015
Location: Haslet,TX
Posts: 28
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Re: Wheel Geometry is Off
Alignment has been done already and still there is a noticeable difference in where the wheel sits in the fender. I would say there's about a 3/4-1" difference. I've got an 85 that we just bought and will be lowering soon. I checked for any issues before lowering this one and it all checks out even on both sides. So if there's any issues afterwards I'll know it's the parts and not the truck.
Last edited by Custom06; 02-19-2018 at 02:31 PM. Reason: additional info |
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02-19-2018, 07:03 PM
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#4 |
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Registered User
Join Date: Nov 2016
Location: Dayton Texas
Posts: 67
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Re: Wheel Geometry is Off
Mine is the same way, I have CCP tubular, with a 2 inch drop spindle, on a 81
measured the drivers side it was about 1.1/4 and the passenger was around 1/2 shims on both sides are about the same , just had front end aligned, drives straight, Last edited by Dayton601; 02-19-2018 at 07:15 PM. |
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02-20-2018, 11:19 AM
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#5 |
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Registered User
Join Date: Feb 2015
Location: Haslet,TX
Posts: 28
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Re: Wheel Geometry is Off
I’m thinking the McGaughy spindle is bad???????
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02-20-2018, 11:21 AM
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#6 |
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Registered User
Join Date: Feb 2015
Location: Haslet,TX
Posts: 28
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Re: Wheel Geometry is Off
I’m gonna buy Western Chasis drop spindles this week for my 85 GMC, we’ll see what that does.
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02-20-2018, 02:10 PM
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#7 |
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Registered User
Join Date: Nov 2016
Location: Dayton Texas
Posts: 67
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Re: Wheel Geometry is Off
Wow seems like after checking the forums this question goes way back in other threads, mine was 4 wheel laser aligned, so feel good about alignment, now it makes me wonder is my body is not off a little, I have new aftermarket body and front core support bushings, might need to loosen and shake it up a little see if it changes anything,
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02-21-2018, 07:56 PM
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#8 |
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Registered User
Join Date: Sep 2007
Location: Wichita Falls, Texas
Posts: 459
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Re: Wheel Geometry is Off
There are 5/8" alignment dowel holes in the front cab mounts. Stick a couple long 5/8" bolts in them to see if the body/ frame alignment is good.
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