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#1 |
Senior Member
Join Date: Aug 2002
Location: Valley Center KS
Posts: 3,525
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Backspacing on 17x9.5 wheels
I'm looking at getting new wheels, and I need to know if 5.25" back spacing will work.
I have drop spindles on the front and rear springs in the back if that helps. I'm also planning on using a 275/50/17 tire. If anyone has pictures of this size wheel on their truck I'd like to see them. Thanks |
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#2 |
FORSALE
Join Date: Apr 2003
Location: central pa
Posts: 95
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mine are close to that size 17x9 with 4.25 backspaceing with 275/55-17 all four corners.
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1967 chevy 1/2 ton short step |
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#3 |
Registered User
Join Date: Oct 2002
Location: Chico, CA
Posts: 39
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17" x 9.5" Wheel Backspacing
I purchased a set of Torq Thrust II's in this size with the stock 5.5" backspacing and have 275/50's on back. My truck is a fleetside and I am running ECE airbags. At ride height, I can rub the insides of the tires on the inner fenders if I get too much of an angle on the rear axle (entering a driveway for instance). I was forced to purchase 1.25" spacers for the rear axle. A 4" to 4.5" backspacing should take care of the problem.
Good luck.
__________________
'72 Custom LWB 383 ci, Lunati 213 / 219 cam (60101L), 2.02/1.6 heads, Crane roller rockers, HPC coated ramhorns, FIRST TPI, '90 Corvette ECM, , Built 700R4, 3.73 Eaton Posi 12-bolt, Magnaflow dual exhaust, PW, Keyless DL, ECE Hidden Hitch, New chrome all around, 17" Torq Thrust II's, 255/50 & 275/50 Nittos, ART airbags, Rick's custom tank w/ custom in-bed filler, '02 Silverado seats, Rod Doors headliner / A-pillar covers and door panels. |
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#4 |
Registered User
Join Date: Jan 2000
Location: Orange Beach, Alabama
Posts: 133
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Would like more info.
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71 cheyenne 402 th400 swb 71 camper special (PARTS TRUCK) 70 Stepside swb 350 |
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#5 |
Registered User
Join Date: Oct 2002
Location: Chico, CA
Posts: 39
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Can you be more specific as to the additional information you would like? I could ramble, but can't be sure it would address your questions.
__________________
'72 Custom LWB 383 ci, Lunati 213 / 219 cam (60101L), 2.02/1.6 heads, Crane roller rockers, HPC coated ramhorns, FIRST TPI, '90 Corvette ECM, , Built 700R4, 3.73 Eaton Posi 12-bolt, Magnaflow dual exhaust, PW, Keyless DL, ECE Hidden Hitch, New chrome all around, 17" Torq Thrust II's, 255/50 & 275/50 Nittos, ART airbags, Rick's custom tank w/ custom in-bed filler, '02 Silverado seats, Rod Doors headliner / A-pillar covers and door panels. |
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#6 | |
Senior Member
Join Date: Aug 2002
Location: Valley Center KS
Posts: 3,525
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Quote:
I can also get 17x8 in 4.5 backspacing. Just an FYI here are the wheels I'm planning on getting: ![]()
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Project Bruiser: 68 Pro-Touring C-10 5.3L / 4L60E Project Ironhide: 97 GMC Crew Cab 4x4 Cummins SOLD: '69 GMC 1/2T SWB TBI'd: Project No Buck Assembly Manual Index Sign up Thread!!! Factory Service Manual Index Last edited by Ackattack; 05-05-2004 at 12:30 AM. |
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#7 |
Registered User
Join Date: Oct 2002
Location: Chico, CA
Posts: 39
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As the title of my post mentioned, I am running 17" x 9.5" (5.5" backspacing) on the back, and 17" x 8" (4" backspacing) on the front. The fronts fit great with 255/50's. The rears caused a problem. If you are set to go with the 17" x 9.5" size, I would recommend a 4.25" - 4.5" backspacing, thereby shifting the tires outward from the axle and providing the added clearance from the inner fenders on the rear.
__________________
'72 Custom LWB 383 ci, Lunati 213 / 219 cam (60101L), 2.02/1.6 heads, Crane roller rockers, HPC coated ramhorns, FIRST TPI, '90 Corvette ECM, , Built 700R4, 3.73 Eaton Posi 12-bolt, Magnaflow dual exhaust, PW, Keyless DL, ECE Hidden Hitch, New chrome all around, 17" Torq Thrust II's, 255/50 & 275/50 Nittos, ART airbags, Rick's custom tank w/ custom in-bed filler, '02 Silverado seats, Rod Doors headliner / A-pillar covers and door panels. |
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#8 |
Progress = 0%
Join Date: Nov 2001
Location: Kansas City, MO
Posts: 2,108
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I have 18"x9.5" wheels on the back of my '67 (however, I have the '71-'72 wider rear end). My wheels have 5.25" backspacing and my tires are 285/40/18 (11.22" wide). I've had only very slight rubbing on the inner wheel tub, but my ride height is pretty low also.
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Jason - '67 GMC swb | '57 Bel-Air 4dr hardtop | '56 210 4dr Wagon | 2000 GMC Sierra |
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