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12-23-2017, 08:40 PM
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#1 |
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Registered User
Join Date: Dec 2010
Location: Sherwood, Arkansas
Posts: 156
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What size tires????
I have a '68 with 15x8 on back and 15x6 on front. Right now the truck has 15x8 all around. I want big and littles. So what size tires do I need? I'm pretty sure I want 275/60/15 on rear but am not sure on front.
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12-23-2017, 08:55 PM
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#2 |
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Registered User
Join Date: Dec 1999
Location: Austin, TX, USA
Posts: 7,727
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Re: What size tires????
I have 235 55 17 on 17x8 the front of my 69 short step with 275 55 17 on the rear I like the 27" front 29" rear combo. I picked up another truck I was originally going to use for parts, but I got the big block running with a fuel pump and a coil. So... at least for now, another truck. Doh. To keep that same height combo, I bought 255 70 15 for the rear and 225 70 15 for the front on some 15x8 5 lug rally's. This is a good big(ger than front at least!) little combo.
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44 Willys MB 52 M38A1 64 Corvette Coupe 68 Camaro 'vert LT1 & TH700 69 Z/28 355 12.6's @110 69 Chevy Short Step 4 1/2"/7" drop 72 Jimmy 4WD 4spd 4" & 35's 02 GMC 2500HD 4x4 Duramax |
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12-23-2017, 08:58 PM
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#3 | |
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Registered User
Join Date: Dec 2010
Location: Sherwood, Arkansas
Posts: 156
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Re: What size tires????
Quote:
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12-23-2017, 09:15 PM
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#4 |
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Registered User
Join Date: Dec 1999
Location: Austin, TX, USA
Posts: 7,727
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Re: What size tires????
Not of that truck, but my 69 with the described setup. I think one of the biggest mistakes in stance with these trucks is a tire not tall enough and too wide in the front.
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44 Willys MB 52 M38A1 64 Corvette Coupe 68 Camaro 'vert LT1 & TH700 69 Z/28 355 12.6's @110 69 Chevy Short Step 4 1/2"/7" drop 72 Jimmy 4WD 4spd 4" & 35's 02 GMC 2500HD 4x4 Duramax |
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12-23-2017, 09:33 PM
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#5 |
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Registered User
Join Date: Dec 2010
Location: Sherwood, Arkansas
Posts: 156
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Re: What size tires????
Sweet ride!
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12-24-2017, 01:17 AM
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#6 |
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BlahBlahBlah
Join Date: Feb 2002
Location: Wa.
Posts: 20,019
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Re: What size tires????
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12-24-2017, 08:21 AM
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#7 |
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Registered User
Join Date: Oct 2010
Location: Ocean Springs, MS
Posts: 1,746
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Re: What size tires????
235/70 15 on the front is a good match for 275/60 rear.
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Gary 1971 Chevrolet C/10 1951 GMC 100 1977 GMC C15 1955 Chevrolet 3100 |
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12-24-2017, 11:54 AM
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#8 |
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Senior Member
 
Join Date: Oct 2009
Location: Godley, TX
Posts: 17,975
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Re: What size tires????
Agree with above posts - 225 or 235 70-15 are good choices. If you want more of a common diameter front to back as opposed to just width difference (ie NO rake), take a look at 75 aspect ratio tires in the front. Stick with 275-60 on the back, great fit for these trucks.
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12-24-2017, 02:13 PM
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#9 |
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Senior Member
Join Date: Jul 2015
Location: Fairfax, Missouri
Posts: 1,049
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Re: What size tires????
Go with some 35x12.5r18 they'll make it look real mean! Lol
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12-25-2017, 01:50 PM
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#10 |
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Registered User
 
Join Date: Jan 2011
Location: Chattanooga TN
Posts: 6,212
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Re: What size tires????
Tire width ÷ 25.4 = tire width in inches. For example a 235 tire ÷ 25.4 = 9.25in wide.
Now, your width (9.25) x the aspect ratio. Let's say "65". 9.25 x .65" = the height of the sidewall. 6.01". That's from the ground to the bottom edge of the wheel. We have two of those.. top and bottom. This will give you an idea how how the tire looks from the side, and/or a relational comparison from front to rear, etc. Usually doing big and littles I don't like to have the sidewall height on the front larger than the sidewall height on the rear. It just looks kinda goofy in my opinion. So - 235/75r15. 235÷25.4 x .75 x 2 +15. This would give you a 9.25" wide tire, 6.93" sidewall and a 28.87" tall tire. Use this formula and it will give you the perfect size. It all really depends on how YOU want the truck to look. Me ? I usually like to make the overall width of the tire at least two inches wider than the wheel. So with a 6" wide wheel, I'd do at least an 8" wide tire. (205) It really depends on the truck, how low it sits, how much you want to fill up the wheel wells, size of the rear tires, etc.. Hope this helps.
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Chad 1967 C10 SWB - Project Savannah - 6.0/4L80 *Currently underway* 1968 C10 SWB - TOTY 2018, 50th Anniversary Tribute Project * Sold * Pride and Joy 1986 Silverado Short Fleet - Scarlet *Sold* 1985 Silverado Short Fleet *Sold* 2022 Jeep Gladiator Mojave 2001 Jeep Cherokee XJ 4x4 - Lifted, Built 1992 Jeep Cherokee XJ 4x4 - Lifted 2013 Honda Accord EX-L v6 Coupe 6spd (wife's ride) |
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12-25-2017, 04:10 PM
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#11 | |
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Registered User
Join Date: Feb 2004
Location: brownfield texas (west texas)
Posts: 1,936
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Re: What size tires????
Quote:
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The Ghost 67 short wide full custom. 550 hp LSX, 4l80E, narrowed 9". Body dropped w/air ride! ........................ ___ .........________//__{\_____ ,,,,,,,/__(⊙)___//___/__(O)_/ @disciple2.rc 💪instagram💪 LED TAILS |
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12-25-2017, 06:28 PM
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#12 |
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motor exploder
Join Date: Mar 2009
Location: Pittsburgh, PA
Posts: 2,346
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Re: What size tires????
235/60/15 (26" tall) is what I run for big'n'littles when using a 275/60/15 (28" tall) on the rear - I'm running this setup on my Bel Air wagon now, and have used it on previous vehicles. A 215/70/15 (26.5" tall) will work too. This will give you a little bit of 'rubber rake' since your front tires will be a couple inches shorter than the rear. Depending on the actual suspension drop you have, you may even need a taller tire than what I've suggested or the 225/70 (approx 27" tall) that Robznob11 suggested above. There are many online tire size calculators you can play with to find something that will work for you.
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Adam 1969 Chevy CST/10 stepside, DART Big M/TREMEC Magnum Extreme/3.73's w/Detroit Truetrac 1965 Chevy Bel Air Wagon (daily driver), 327/TH350,10 bolt w/3.08's 1961 Chevy Bel Air Sport Coupe, ZZ454/M21/9" rear w/3.50's & Detroit Truetrac 2005 GMC 1500 ccsb 2wd, 6.0L/4L65e/3.73 G80 2006 GMC 2500HD ccsb 4x4, DMax LBZ/Allison 6spd/4.56's w/Detroit TrueTrac   Use the SEARCH function on this forum - it is your friend!! Last edited by BossHogg69; 12-25-2017 at 11:30 PM. |
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12-25-2017, 06:40 PM
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#13 |
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Senior Member
Join Date: Feb 2011
Location: Papillion, Ne
Posts: 897
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Re: What size tires????
I'm running 255/70/15's on 15 x 8 Rallys all around....I copied the setup from another truck because I liked the look so much.
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 -Doug'05 RCSB Sierra 2WD '71 Sierra 2WD Longbed '98 Silverado K1500 Xcab...sold '72 Highlander"Raymond"...sold |
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12-25-2017, 07:54 PM
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#14 |
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Senior Member
Join Date: Dec 2013
Location: Gods country East,Tn
Posts: 8,545
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Re: What size tires????
I decided to use M/T 29 x 15.5 x 15 on my slots
http://www.jegs.com/i/Mickey-Thompson/672/6558/10002/-1 |
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12-25-2017, 07:56 PM
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#15 | |
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Registered User
Join Date: Feb 2004
Location: brownfield texas (west texas)
Posts: 1,936
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Re: What size tires????
Quote:
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The Ghost 67 short wide full custom. 550 hp LSX, 4l80E, narrowed 9". Body dropped w/air ride! ........................ ___ .........________//__{\_____ ,,,,,,,/__(⊙)___//___/__(O)_/ @disciple2.rc 💪instagram💪 LED TAILS |
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12-25-2017, 08:51 PM
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#16 | |
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Senior Member
Join Date: Dec 2013
Location: Gods country East,Tn
Posts: 8,545
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Re: What size tires????
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12-25-2017, 08:55 PM
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#17 |
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Registered User
Join Date: Feb 2004
Location: brownfield texas (west texas)
Posts: 1,936
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Re: What size tires????
Mine are about the same size on a 12" rim
__________________
The Ghost 67 short wide full custom. 550 hp LSX, 4l80E, narrowed 9". Body dropped w/air ride! ........................ ___ .........________//__{\_____ ,,,,,,,/__(⊙)___//___/__(O)_/ @disciple2.rc 💪instagram💪 LED TAILS |
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12-25-2017, 09:07 PM
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#18 | |
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Registered User
Join Date: Dec 2010
Location: Sherwood, Arkansas
Posts: 156
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Re: What size tires????
Quote:
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12-27-2017, 05:14 AM
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#19 |
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Registered User
Join Date: Jun 2015
Location: Phoenix Az
Posts: 211
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Re: What size tires????
I have
295/50R15 front 325/50R15 rear No rubs great looks with great traction |
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