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#1 |
Registered User
Join Date: Mar 2012
Location: downunder
Posts: 76
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wheel and tire sizes please
G'day all , im new to the truck scene (in australia) and have just purchased a 1970 stepside C10. The truck has huge tru spoke rims front and back which i have to change (they stick out ) .. so my age old question is on wheel sizes and backspace for these trucks.. I have seen a couple of pics of guys with 20 x 10s front and rear ?? with a 275/35 tyre on the rear ? i do want it to be kinda low ,, whats the optimum backspace for these stepsides ..
thanx ! Gav Downunder Last edited by 70cst; 03-14-2012 at 10:04 AM. |
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#2 |
Restoration Virgin!
Join Date: Jan 2008
Location: Huntersville, NC
Posts: 8,298
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Re: wheel and tyre sizes please
ttt
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Geoff with a G 1968 Chevy C10 SWB The Mistress 1972 Custom Deluxe C20 Suburban A Suburban Named Isabella 1966 Ford Mustang Mama's High School Graduation Present |
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#3 |
Registered User
Join Date: Mar 2012
Location: downunder
Posts: 76
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Re: wheel and tyre sizes please
no one knows? geez i thought someone may have changed there rims along the way.?
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#4 |
Registered User
Join Date: Apr 2011
Location: Battle Ground, WA
Posts: 39
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Re: wheel and tyre sizes please
My 68 stepside is down 7" in the rear and 5" in the front. I'm running 17x10's on the rear with 275/55/17 and 17x8's on the front with 275/55/17. Sorry, I can't give you the back set without doing some digging but I do know I can barely get my fingers between the rear tires and the box on the inside and, yes, they do occasionally rub on the outside when I hit a dip in the road. That's just the cost of looking cool. However, you can roll the flange on the inside of the rear fenders up a bit which definitely helps. Most tire and wheel shops will work with you on trying different back sets until you find what works.
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#5 |
Registered User
Join Date: Apr 2011
Location: Battle Ground, WA
Posts: 39
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Re: wheel and tyre sizes please
Whoops, I meant 225/55/17 on the front.
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#6 |
Registered User
Join Date: Mar 2011
Location: Fort St John, BC
Posts: 85
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Re: wheel and tyre sizes please
Try a search there is a ton of threads about it. Do you know if you have the narrow rearend, I think 1970 came with both the 64 and 65.5" wide rear end. (im not 100% about the widths)
Best to measure for backspacing but i would expect you could run a 275/40r20 out back and I would go 255/40r20 up front or you can go 285/50r18 and 255/50r18. I know the fleet sides can handle a 295 wide but im not as familiar with stepsides.
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69 c10 lwb |
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#7 |
Registered User
![]() Join Date: Jan 2011
Location: Chattanooga TN
Posts: 6,208
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Re: wheel and tyre sizes please
I am running a 255/45/20 on a 20x8.5 with 4.75" Backspacing on the rear. It could handle 255/50/20 .. but it would be very tight. This is on a 6" drop with the narrower (67-early 69) rear end housing. I stayed with the 45 on the rear so I wouldn't need to lower it any more. I am going to notch it and add 1" block as soon as I can.
The fronts are 255/40/20 on a 20x8.5 with a 5.5" Backspacing. I also have the 73+ front cross member swap with HD front rotors so it added about .5" track width in the front on either side. Normally guys run the same size wheel / tire with a 5.25" backspacing but I pushed mine back a little more to accomodate the extra track width. The largest rear tire/wheel I have ever seen on a stepper is 285/35/22 on a 22x9 with 5" Backspacing. Early rear end, .. but it does require trimming on the outer lip. A 265/40/22 on this same wheel is perfect on a bagged stepper IMO. Some guys run 10" wide and that's cool I just like for my tire to be a little wider than the rim width. There is a whole lot more room under a fleet than a stepper. I have a BB too, so I didn't want to be getting into the tires on hard acceleration.
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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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#8 |
Registered User
Join Date: Apr 2011
Location: Battle Ground, WA
Posts: 39
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Re: wheel and tyre sizes please
Ah hah. It's been six years since I built my 68 stepside, so I had to do some digging on my wheel sizes and back sets, but here it is. As I mentioned earlier, I'm down 7" in the rear and 5" in the front. I do know the stepsides are a little tighter on the rear fender space than the fleetsides, so you have to measure carefully. I rolled the inner fender flange of the rear fenders in a bit to give me a little more clearance. My wheels are 8 spoke Eagle Alloys, style 114. Rears are 17 x 10 w/ 4 1/2" back spacing, running a 275/55/17 Dunlop. Fronts are 17 x 8 w/ 4.4" back spacing, running a 225/55/17 Dunlop. Hope this is of some help.
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#9 |
Registered User
![]() Join Date: Jan 2011
Location: Chattanooga TN
Posts: 6,208
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Re: wheel and tyre sizes please
Got some pics? I bet it looks really good
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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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#10 |
Registered User
Join Date: Apr 2011
Location: Battle Ground, WA
Posts: 39
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Re: wheel and tyre sizes please
I'm a 72 year old 'Techno-peasant" who hasn't yet figured out how to attach a photo, but I'll give it a shot.
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#11 |
Registered User
Join Date: Mar 2012
Location: downunder
Posts: 76
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Re: wheel and tyre sizes please
thanx guys ! i appreciatte all the advice,, ill try for a pic.. my truck is still on the back of a transport truck being delivered to me down the east coast of australia after being brought over by ship.. so i havnt (and didnt know) about diff sizes and if it a 5 or 6 stud yet.. sould arrive in next couple of days ,, i own a 69 camaro as well which is converted to RHD,
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#12 | |
Registered User
Join Date: Aug 2006
Location: Georgia
Posts: 850
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Re: wheel and tyre sizes please
Quote:
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1963 Chevrolet C10 Short Step 1968 Chevrolet C10 Short Step |
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#13 |
Registered User
![]() Join Date: Jan 2011
Location: Chattanooga TN
Posts: 6,208
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Re: wheel and tyre sizes please
Wow! Both look great! I love the Camaro too. Is it really dark blue or black?
Posted via Mobile Device
__________________
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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#14 |
Registered User
Join Date: Mar 2012
Location: downunder
Posts: 76
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Re: wheel and tyre sizes please
thanx! , she's black with a mett grey hockey stripe ,, fast injected crossram 383 sbc , 6 speed tremec , right hand drive etc etc...
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#15 |
Registered User
![]() Join Date: Jan 2011
Location: Chattanooga TN
Posts: 6,208
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Re: wheel and tyre sizes please
I have restored a couple 69's myself but they are very expensive to build here in the states. I love the Rally Sport front end too ! Great job.
__________________
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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#16 |
Village Idiot....
Join Date: Jul 2003
Location: Rowlett, Texas
Posts: 1,833
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Re: wheel and tire sizes please
Here's what I've got on my 71...with an early rear end
Front: 20x8.5 with 5.25bs 255/40/20 Rear 22x9 with 5.00 bs 265/40/22
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http://www.hubgarage.com/mygarage/n2billet -67 SWB Custom Porterbuilt Front and rear 20/22's Hazel Sold -71 StepSide Porterbuilt Stage 2 with 20/22's Stella Mae Sold |
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#17 |
Registered User
Join Date: Mar 2012
Location: downunder
Posts: 76
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Re: wheel and tire sizes please
thanx guys for the warm welcome.. a bit of an update on my 70 stepper truck .. i now have had it for 2 whole weeks.. the wheels are 'weld wheels 15 x 10 tru spokes' front and rear. they all have 4 inch backspace. 245/60 front and 275/60 rear tyres. the rears stick out bad. there pretty rusty or 'rooted' as us aussies say ! im shopping around for something to replace them with.. Im thinkin satin centerlines in 15s for now as the tyres are brand new.
it seems it has drop spindles, and is 5 on 5 pattern so its had power discs put on and diff changed ? 350sbc , t400 box and 10 bolt diff. also the rear tail lights have been 'frenched' into the bed .. woulda been a nice thing back in the day but it has been neglected pretty bad and needs a lot of work. Gav |
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#18 |
Registered User
![]() Join Date: Dec 2009
Location: Durham,NC
Posts: 636
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Re: wheel and tire sizes please
see you got taste with Rushforth wheels and there is n2billet rubbing it in again with his sweet rides. That must be his d/d now instead of hazel.
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#19 |
Registered User
Join Date: Mar 2009
Location: rotorua/new zealand
Posts: 161
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Re: wheel and tire sizes please
gidday mate-welcome to the site.
looks like you got an interesting project in front of you with the c/10!! isn't it fun ordering parts out of the states! some of them are good to deal with and others are pretty damn frustrating! camaro looks bloody great - how come you had to convert it to righthand drive?
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1969 stepside-305/4spd/12 bolt posi http://67-72chevytrucks.com/vboard/s...d.php?t=477157 1968 pontiac lemans convertible-350/pwrglde/10 bolt 1934 oldsmobile sedan-350/350/12 bolt posi 1930 model a pickup-350/350/jag ind 1928 model a roadster-283/350/9" |
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#20 | |
Registered User
Join Date: Mar 2012
Location: downunder
Posts: 76
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Re: wheel and tire sizes please
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