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01-16-2006, 11:18 AM
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#1 |
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Registered User
Join Date: Dec 2005
Location: tenn.
Posts: 84
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Tire size for 78 Gmc
the 78 is about to becaome daily driver after crate notor goes in. What size tires to run on original rally wheels? I know its a silly question but I dont remember what tires where on the truck. It has been sitting for about 10 years. Thanks
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01-16-2006, 02:59 PM
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#2 |
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Right turn Clyde
Join Date: Nov 2002
Location: Cincinnati, Ohio
Posts: 2,911
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Re: Tire size for 78 Gmc
depends on the width of the tire 235/75/15 is pretty common but if its an 8in wide Id go 255/60 or 70.
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1974 C25 LWB: 454 4bbl Carb / TH400 / 3.73 1992 Camaro RS 305 TBI |
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01-16-2006, 03:21 PM
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#3 |
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Stepsides RULE
Join Date: Jul 2004
Location: Pineville, LA
Posts: 1,921
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Re: Tire size for 78 Gmc
Factory on 15" basic wheel was 235/75/15..... but it's all aobut what you want. I have 15x8s and I have 255/70, I love 'em.
Of course I don't have a good shot of the width of the tread but this one shows the height of a 255/70 pretty good. 
__________________
1981 Chevy C10 Custom Deluxe Stepside 350 V8, headers, side exhausts, 3-speed auto SOLD 1980 Chevy C10 Custum Deluxe Stepside 305 V8, Edelbrock Performer Intake, Edelbrock 1406 600CFM 4-barrel, TH350C. Bent rod. SOLD 1984 GMC Sierra Classic Longbed 6.2L Diesel SOLD 2009 Kawasaki KLX-250S too many mods for this signature 1999 Honda Accord EX 4-cylinder, 17" Motegi Wheels 215/45/17 Sumitomo tires, Tein S-Tech lowering springs, KYB GR2 shocks, Acura TL 20mm rear swaybar, debadged, blackhoused headlights, Short-Ram Intake Cardomain of the Accord |
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01-16-2006, 10:17 PM
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#4 |
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Registered User
Join Date: Dec 2005
Location: tenn.
Posts: 84
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Re: Tire size for 78 Gmc
Ill probably go with the 255. Thanks
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01-17-2006, 01:50 AM
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#5 |
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Registered User
Join Date: May 2003
Location: Shreveport LA
Posts: 3,170
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Re: Tire size for 78 Gmc
255/70-15's are the same diameter as the 235/75's, just a little wider.
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