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02-12-2013, 06:06 PM
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#1 |
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Senior Member
 Join Date: May 2002
Location: mt juliet, tennessee, usa
Posts: 237
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Do I Have To Get New Wheels??
I am in the process of completing a disc brake upgrade to the front wheels
of my 69 C-10 P/U. I've heard that I may have to have new wheels due to possible interference issues with my old rally wheels. Anybody have any experience in this regard? Jim |
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02-12-2013, 06:12 PM
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#2 |
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Registered User
Join Date: Aug 2009
Location: Alden NY
Posts: 2,705
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Re: Do I Have To Get New Wheels??
Rally wheels were used on later trucks and didn't come on 67-72's so chances are that the backspace is sufficient for caliper clearance. 4" backspace should work.
__________________
1961 C1 Corvette 1959 El Camino 350 TPI, 9" 4 w disc 69 Blazer K5 - sold July '20 2021 Durango RT 5.7 |
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02-12-2013, 06:16 PM
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#3 |
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Registered User
Join Date: Mar 2010
Location: Mesa, Az
Posts: 364
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Re: Do I Have To Get New Wheels??
i have 15" corvette style rallye wheels on mine with front disc brakes and no clearance problens
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02-12-2013, 07:27 PM
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#4 |
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Registered User
Join Date: Jan 2010
Location: Loveland, CO
Posts: 1,921
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Re: Do I Have To Get New Wheels??
So you're converting from 6 lug to 5 lug correct?
__________________
Zach 1970 Chevrolet Custom Camper K20 1971 GMC Super K2500, 12V/NV4500 swap in progress 1971 Chevrolet Custom C10 1972 Chevrolet Custom Deluxe C20, 5.3/4L60E 1972 Oldsmobile Cutlass Supreme, 455/TH400, 3.73 posi 2004 GMC Sierra 2500HD, LB7/Allison, CCSB 2005 GMC Sierra 1500, 5.3/4L60E, CCSB |
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02-12-2013, 08:33 PM
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#5 | |
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just can't cover up my redneck
Join Date: May 2004
Location: Columbus OH
Posts: 11,414
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Re: Do I Have To Get New Wheels??
Usually?...really?
I would love to know when it is desirable....
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You can review the site's rules here. Quote:
Bad planning on your part does not necessarily constitute an instant emergency on my part.... The great thing about being a pessimist is that you are either pleasantly surprised or right. 
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02-12-2013, 09:26 PM
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#6 |
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Senior Member
Join Date: Oct 2009
Location: Godley, TX
Posts: 17,976
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Re: Do I Have To Get New Wheels??
6 lug steelies (original wheels) are not disk brake compatible - the taper on the inside face is canted and interferes with the caliper. It's not necessarily a backspacing issue.
Are you using truck or car rallies? (i.e. are you retaining 6 lug or converting/converted to 5, etc). Reason I ask - I can't confirm for you that old vette rallies will clear, but all truck rallies will clear (stock size disk + caliper combo). But, truck rallies are 6 lug, car rallies are 5 lug. You mention your old rallies - they are definitely newer than your truck, and rallies do fit with disk brakes, assuming you're going with a stock-size rotor, etc. BIG brake kits will not fill rallies. But, if you're buying a kit for stock size application, rallies will be fine. |
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02-12-2013, 09:42 PM
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#7 |
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Registered User
Join Date: Jan 2010
Location: Loveland, CO
Posts: 1,921
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Re: Do I Have To Get New Wheels??
My dad's '69 has a stock '72 front disc setup with 15x8 corvette rallys and they fit fine. Not sure what route you're going...
__________________
Zach 1970 Chevrolet Custom Camper K20 1971 GMC Super K2500, 12V/NV4500 swap in progress 1971 Chevrolet Custom C10 1972 Chevrolet Custom Deluxe C20, 5.3/4L60E 1972 Oldsmobile Cutlass Supreme, 455/TH400, 3.73 posi 2004 GMC Sierra 2500HD, LB7/Allison, CCSB 2005 GMC Sierra 1500, 5.3/4L60E, CCSB |
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02-12-2013, 10:06 PM
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#8 |
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Senior Member
Join Date: May 2002
Location: mt juliet, tennessee, usa
Posts: 237
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Re: Do I Have To Get New Wheels??
I bought the truck in May of 02 and it had the "rallys" on it then. I'm keeping the 6 lug configuration. I guess the only way to tell is to bolt 'em on and see.
Will let you know what I find out. Jim |
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02-12-2013, 11:30 PM
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#9 |
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Registered User
Join Date: Oct 2012
Location: Newhall CA
Posts: 1,195
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Re: Do I Have To Get New Wheels??
Mine did not fit,when i changed to disc, brakes i had the rim changed. the cut it out and they used my old centers.
and when they do this you can get them right where you want them. as back spacing just dont use pico wheel he is a pain in the A.
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69 SWB 780hp Hellcat powered, manual 6 speed, currie 9 |
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02-12-2013, 11:31 PM
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#10 |
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Registered User
Join Date: Oct 2012
Location: Newhall CA
Posts: 1,195
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Re: Do I Have To Get New Wheels??
post pictures of your rims now front and back, let me see what you got
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69 SWB 780hp Hellcat powered, manual 6 speed, currie 9 |
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02-12-2013, 11:35 PM
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#11 |
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Registered User
Join Date: Aug 2008
Location: Lantana, TX
Posts: 419
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Re: Do I Have To Get New Wheels??
I put on Rally's after I did a disc brake swap and didn't have any issues. I've heard that the 15x8's come really close and sometimes hit the lower control arm when you turn. Mine are 15x7 and I don't have any clearance issues, caliper or control arm.
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02-12-2013, 11:38 PM
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#12 |
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Registered User
Join Date: Oct 2012
Location: Newhall CA
Posts: 1,195
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Re: Do I Have To Get New Wheels??
my 15x8 are close to my tie rod knuckle ....way close
__________________
69 SWB 780hp Hellcat powered, manual 6 speed, currie 9 |
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