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#1 |
its just $$$$$
Join Date: Jul 2003
Location: OK
Posts: 2,078
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3" drop spindle/control arm clearance issue
I have used DJM 3" drop spindles before and had to do some grinding on the spindle where the caliper mountsto get the factory rally wheels to work. I just installed a set of 3" TrailMaster spindles that I bought off Ebay. I had no clearance issues with the spindle itself, but the wheel is hitting the control arm. I did some grinding on the end of the arm itself to clear the wheel. The problem is that the wheel is hitting the control arm when I turn. I dont really want to do a lot of grinding on the control arm as I wont be running these wheels for long.
Can I use a 7" rally wheel to get some more clearance. I know they have 1/2" less backspacing which should help. Does anyone know for sure? |
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#2 |
Registered User
Join Date: Nov 2000
Location: Huntsville Ontario Canada
Posts: 4,052
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Re: 3" drop spindle/control arm clearance issue
I remember reading about the 3" spindles needing a 17" or bigger wheel. I would also agree that the narrow rims could help. SCOTI has a pretty low beater I wonder if he has 3" spindles .. Cause he is using Van rallys.
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1968 Suburban numbers matching all original truck now equipped with 6.0/4L80 on Accuair http://67-72chevytrucks.com/vboard/s...d.php?t=625017 1967 C/20 6.0/4L80 Roofing Truck 1990 V2500 Suburban "Plow Truck" 2005 TAHOE DD |
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#3 |
Registered User
Join Date: Apr 2001
Location: DALLAS,TX
Posts: 21,940
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Re: 3" drop spindle/control arm clearance issue
My beater has 2.5" Western Chassis spindles.
I do have 3" Bell Tech spindles on my 74 & used the same stock 6.5" van ralleys w/o any problems. Once I put the 18x8's on there, I did have to trim the lower a-arm & it still rubs if I turn too far. If I had used less b.space (4.75 ~ 5") it wouldn't be an issue but then it might be rubbing on the outside somewhere. I picked my poison.
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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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#4 |
Watch out for your cornhole !
![]() Join Date: Jun 2003
Location: Azle, Texas
Posts: 14,162
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Re: 3" drop spindle/control arm clearance issue
I run 3 inch spindles on my Blazer and had to use a 7 inch van rallys in the front for clearance. With the 8 inch truck rally, it rubbed badly.
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I'm on the Instagram- @Gearhead_Kevin |
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#5 |
Happy to be here
![]() Join Date: Mar 2000
Location: Cypress, TX
Posts: 39,023
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Re: 3" drop spindle/control arm clearance issue
I wish you had asked about this "before" you put the 73-87 front clip under there. My solution was to grind the lip off all the way back to the shock mount. I cut a boxing plate out of 3/16" and welded it to the bottom of the control arm to prevent it from cracking. I recessed it a bit so it didn't hang down....
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#6 |
its just $$$$$
Join Date: Jul 2003
Location: OK
Posts: 2,078
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Re: 3" drop spindle/control arm clearance issue
you have any pics?? I didnt think the 73-87 spindles would be that big of an issue. I already had them, for the 86, so I figured I would just use them.
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#7 | |
Registered User
Join Date: Apr 2001
Location: DALLAS,TX
Posts: 21,940
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Re: 3" drop spindle/control arm clearance issue
Quote:
I prefer the 73-87 stuff because replacement parts are easier to find. Try finding a 71-72 centerlink so everything will bolt up.... 73 & later are much easier to find.
__________________
67SWB-B.B.RetroRod 64SWB-Recycle 89CCDually-Driver/Tow Truck 99CCSWB Driver All Fleetsides @rattlecankustoms in IG Building a small, high rpm engine with the perfect bore, stroke and rod ratio is very impressive. It's like a highly skilled Morrocan sword fighter with a Damascus Steel Scimitar..... Cubic inches is like Indiana Jones with a cheap pistol. |
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#8 | |
its just $$$$$
Join Date: Jul 2003
Location: OK
Posts: 2,078
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Re: 3" drop spindle/control arm clearance issue
Quote:
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#9 | |
Happy to be here
![]() Join Date: Mar 2000
Location: Cypress, TX
Posts: 39,023
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Re: 3" drop spindle/control arm clearance issue
Quote:
It's not a big deal really. I just made some templates and cut out 3/16's boxing plates that started right behind the ball joint area and went back about 6". It just would have been a very simple job if you had done it "before" it was under the truck... ![]()
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Follow me on Facebook and Instagram @N2trux.com Articles- "Jake" the 84 to 74 crewcab "Elwood" the77_Remix 85 GMC Sierra "Scarlett" "Refining Sierra" |
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