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08-30-2014, 05:17 PM
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#1 |
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Registered User
Join Date: Jul 2013
Location: Prescott Arizona
Posts: 343
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20s X 4 on My 68 SWB GMC
So advice on running 20 X 8.5 on all four corners on my slightly lowered truck (68 SWB GMC)? It's got 275-60-15 BFGs on 15 X 8 rallys with no clearance issues at all. Here's pictures of My GMC as is and a photo-shop of it approximately how I want it. The other truck is my friend Mark's with Boss wheels I'm looking at Coys C5s, American Racing TMs and Boss wheels in the same basic Style and Size, Glad to hear anyone's take - THANKS - Lee
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68 GMC SWB Vortec 5.3 98 Chevy Blazer ZR2 94 Mazda Miata, LS2 6 speed, sold "No matter what happens, nobody gets out alive" Last edited by Lees68GMC; 08-30-2014 at 05:28 PM. |
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08-30-2014, 06:46 PM
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#2 |
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Old member
Join Date: Jan 2002
Location: Liberty, & Garden City S.C. , U.S.
Posts: 19,945
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Re: 20s X 4 on My 68 SWB GMC
I have Boss 338's 20" all around with minor rear end clearance but a 1/4" spacer solved that. They where scrubbing inside fender on hard bumps. I had to grind the front hub down just to get the wheel cap on it. The picture has all my info in it.
 
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1971 LWB Custom, 6.0LS & 4L80E, Speedhut.com GPS speedometer & gauges with A/C. 20" Boss 338's Grey wheels 4 wheel disc brakes. My Driver Seeing the USA in a 71 Upstate SC GM Truck Club 2013,14 and 2016 Hot Rod Pour Tour http://upstategmtrucks.com/ Get out and drive the truck this summer and have some fun! It sucks not being able to hear! LWB trucks rule, if you don't think so measure your SWB! After talking to tech support at Air Lift I have found out that the kit I need is 60811. Per the measurements I gave them. Ride height of truck inside spring and inside diameter of springs. |
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08-31-2014, 09:56 AM
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#3 |
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Registered User
Join Date: Jul 2013
Location: Prescott Arizona
Posts: 343
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Re: 20s X 4 on My 68 SWB GMC
Thanks Andy for the info. My friend's truck with the 10 wide Boss's on the rear rubbed too, same thing he spaced them successfully. He also tried 18" Boss up front but has since gone 20s all around due to appearance. I'm leaning more toward Boss now
- Lee
__________________
68 GMC SWB Vortec 5.3 98 Chevy Blazer ZR2 94 Mazda Miata, LS2 6 speed, sold "No matter what happens, nobody gets out alive" |
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08-31-2014, 06:48 PM
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#4 | |
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Old member
Join Date: Jan 2002
Location: Liberty, & Garden City S.C. , U.S.
Posts: 19,945
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Re: 20s X 4 on My 68 SWB GMC
Quote:
LMK. A guy on our facebook page can get them pretty cheap with tires I think less than $1400.00.
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1971 LWB Custom, 6.0LS & 4L80E, Speedhut.com GPS speedometer & gauges with A/C. 20" Boss 338's Grey wheels 4 wheel disc brakes. My Driver Seeing the USA in a 71 Upstate SC GM Truck Club 2013,14 and 2016 Hot Rod Pour Tour http://upstategmtrucks.com/ Get out and drive the truck this summer and have some fun! It sucks not being able to hear! LWB trucks rule, if you don't think so measure your SWB! After talking to tech support at Air Lift I have found out that the kit I need is 60811. Per the measurements I gave them. Ride height of truck inside spring and inside diameter of springs. |
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