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02-09-2015, 10:26 PM
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#1 |
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Registered User
Join Date: May 2013
Location: easton maryland
Posts: 93
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3in drop spindle questions
I have a 85 GMC Sierra 2wd with the 15" rally's. I have a couple questions I hope can be answered before I buy the spindles. How do I tell if my truck has the hd brakes or not? Also, can I buy a wheel spacer to clear the rims on the spindles, instead of grinding them? All feedback is appreciated, thanks
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Andrew 85 Sierra Classic c10, 305/350/2:73(86k original) instagram: anabb_98 |
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02-09-2015, 10:42 PM
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#2 |
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Registered User
Join Date: Oct 2014
Location: panama city, fl
Posts: 204
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Re: 3in drop spindle questions
Measure the thickness of the rotor. It will be 1 inch or 1.25. I'm fighting the good fight with mine right now but I have 22s so I don't have that problem.
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02-09-2015, 11:57 PM
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#3 |
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Registered User
Join Date: Feb 2014
Location: Greenville, SC
Posts: 63
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Re: 3in drop spindle questions
You just have to cut the "rain gutters" off the lower control arm. I have 3" spindles on my Suburban (same front end as the c-10) and it clears. It's close but it clears.
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LifeTime GM guy. Current collection...
2006 Z-71 Suburban 1985 C-10 1990 Suburban 1966 C-10 (me & dad's project) |
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02-10-2015, 01:09 AM
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#4 |
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Registered User
Join Date: Jun 2009
Location: Oroville, CA
Posts: 4,827
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Re: 3in drop spindle questions
I used 3" DJM spindles on my 87 with 1" rotors and the 15x8 rally wheels fit with no grinding at all.
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02-10-2015, 01:46 AM
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#5 |
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Senior Member
 
Join Date: Jun 2005
Location: Modesto, CA
Posts: 761
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Re: 3in drop spindle questions
i could not run the 15" wheels with 3" dropped spindles. luckily i also had a set of 17" so i switched the wheels out.
__________________
Brian XNGH ECV Chapter 58 1972 Jimmy / Blazer Project 2wd 1974 Chevy Crew Cab Shorty |
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02-10-2015, 09:39 AM
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#6 |
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Registered User
Join Date: Oct 2014
Location: panama city, fl
Posts: 204
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Re: 3in drop spindle questions
I'm having to grind on these djm spindles to make them fit.
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02-10-2015, 09:44 AM
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#7 |
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Registered User
Join Date: Jun 2009
Location: Oroville, CA
Posts: 4,827
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Re: 3in drop spindle questions
To clarify, I had to grind to get the calipers to fit, but no grinding on the lower control arm for wheel clearance.
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02-10-2015, 11:01 AM
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#8 |
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Registered User
Join Date: Feb 2013
Location: Cypress, Texas
Posts: 17
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Re: 3in drop spindle questions
I have the McGaughy's 3" drop spindles and 15" Rally's with 25mm spacers. I had to grind on the lower control arms to get my full turning radius back.
Last edited by SHILOW; 02-10-2015 at 11:02 AM. Reason: pic |
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02-14-2015, 01:57 PM
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#9 |
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Registered User
Join Date: Feb 2015
Location: Fresno
Posts: 34
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Re: 3in drop spindle questions
Theres tons of posts on this with pictures, some have to grind the lower lip of the ball joint area, years ago on here some dude had a failure due to grinding too much.
most people have to grind the brake caliper bracket on the spindle. alot of time fitting and fabricaing. It sucks. Thats on 15in rims, usually alum not steel..... check your backspacing before you take everything arart, if it clears now with a strait edge it will clear later. good luck, its a pain in the butt. |
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