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Wheel and tire size data base, please post yours

Old June 27th, 2016, 09:31 AM
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Wheel and tire size data base, please post yours

We get a lot of questions for wheel and tire size data. Please post year model of your vehicle, your wheel size with backspacing and offset and tire sizes that are mounted on your car. Any year/model Oldsmobile car info is welcome. Mention any issues with this particular setup and anything you may have done to correct it. Pictures are a plus. If we can get enough info I'll make it a sticky.
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Old June 27th, 2016, 09:55 AM
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I'll start:
1967 Cutlass Holiday Coupe

Front wheel: A/R Torque Thrust D - P/N VN1055661 - 15x6 / offset=4 / b/s=3.6
Rear wheel: A/R Torque Thrust D- P/N VN10558061 - 15x8 / offset=0 / b/s=4.5

Front tire: BFG 225-70-15
Rear Tire: BFG 275-60-15

Front tires rubbed with stock springs, rears were ok.

Front springs: Moog 5272
Rear springs: Moog CC507








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Old June 27th, 2016, 10:55 AM
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1970 Cutlass S
Wheels: Wheels Vintique SSII Chrome
Rear: 15x10, 5" BS, 295/50/15 BMR 2" drop springs rear
Front: 15x8, 4.5"BS. 245/60/15 Eibach 1" drop springs, dropped the car about 2.5"
Minor rubbing on the fender lip when kids are in the back. Rolled the fender lips, no problems since.




Wheels: American Racing Torq Thrust II, polished aluminum.
Rear: 18x10 5.75"BS, 305/40/18 Nitto NT555R tires, BMR 2" drop spring
Front: 18x8 4.5"BS, 245/45/18 Nitto NT555 tires, QA1 coil overs
No rubbing.


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Old July 10th, 2016, 07:36 PM
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1972 Cutlass with 1" lowering springs that I think lowered the car more than indicated.
15" SSIII wheels with 245/60/15 tires all around.
No fit issues.

1983 Delta 88, stock
15" SSIII wheels with 245/60/15 tires all around.
No fit issues.
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Old July 11th, 2016, 12:23 PM
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69 Cutlass

Front 17 x 8 MT Street Comp 245/45
Rear 17 x 9.5 MT Street R 305/45 (currently) 295/45 in photo
Custom painted American Racing Polished Salt flat wheels.

Back space unknown, measured to center fit.
2" drop spindle, Coil over adjustable, Ford 9" rear,
all Detroit Speed suspension F&B

No issues
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Old July 11th, 2016, 07:50 PM
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1970 442 - Factory Suspension

15x7 Super Stock 1 rims (aluminum), 4 1/4 back spacing,
w/trim rings - Front & Rear

225/70-15 Front

255/60-15 Back
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Old July 22nd, 2016, 06:01 AM
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76 Cutlass S

Front:
-Wheels: Cragar Keystone Klassic 15x7, 3.75" BS
-Tires: Cooper Cobra Radial 215/70/15

Rear:
-Wheels: Cragar Keystone Klassic 15x8, 3.875" BS
-Tires: Cooper Cobra Radial 255/60/15

Suspension: Worn out FE2

Issues: None so far with just front passengers. Thought rears are really close fit, measured and did choice of rear-tire size depending on that.




Last edited by Inline; March 25th, 2017 at 07:22 AM.
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Old October 8th, 2016, 08:29 AM
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With all the tire questions lately, decided to resurrect this thread. Please post your sizs.
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Old October 8th, 2016, 03:14 PM
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Basically stock suspension with Moog 5536 front springs and PST "442" rear springs.

Old setup:
Front and rear 245-60-14 on factory 14x7 SSIII wheels.




New setup:
Front and rear 245-60-15 on factory 15x7 SSIII wheels.





Old 14" wheels / tires vs. new 15" wheels / tires.


Last edited by Fun71; July 6th, 2017 at 07:03 PM.
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Old October 8th, 2016, 04:37 PM
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67 442 with new stock replacement springs these pics are after it settled about 6 months. running air left bags in the rear with just enough air to keep the car level and it handles so much better now with those and the JGC steering gear. Running 70-72 Rally 1 14 x 7 with 245/60sr14 T/A radials all the way around. I like to be able to rotate them. I am very pleased with this set up.
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Old October 8th, 2016, 04:38 PM
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forgot to add the pics
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Old October 9th, 2016, 08:06 AM
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Front
18x9 & 255/45/18
Lowered 2-3"
KORE3 C5 brakes
would rub the sway bar on full lock, so I added a small spacer and no more rubbing

Rear
18x9 & 285/40/18
Lowered 2-3"
KORE3 C5 brakes
rolled quarter panel lip
NO rubbing

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Old October 9th, 2016, 11:21 AM
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66 f85
Front big block springs with 2 coils cut out and another 1/2" with a tall ball joint, 19x8.5 with 245/45 tire, rubbed the frame at full lock and tire rubbed top of fender well if I hit a decent dip in the road.

Rear stock springs with 2 coils cut out, 19x9.5 6" back spacing 275/40 tire no issues but wheel looked to far in the fender.

Currently have spring spacers in the front and bags in my rear springs to make it more driveable on the street and 1" wheel spacers all around. Only issue now is the front tires rub the fender at full lock.
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Old January 16th, 2017, 10:58 PM
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Saving from grave- spring is coming.
Post yours.
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Old January 17th, 2017, 05:02 AM
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215/70 R14 front and rear SS1 wheels.
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Old January 17th, 2017, 06:02 PM
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The 67 is sold and now in Boston, new home, great new owner, have 235x60x15 on Cragers in the front, stock back spacing, 2 inch drop springs, rubs a bit in the front in hard turns or extra passengers. Should have done my math better. The rear stock spring height large 275x60x15 no issues except on a hard launch its fun and a challenge keeping the car straight!
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Old January 17th, 2017, 08:31 PM
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165-80-15 in the front on a 15x5 rim .1 in. drop in the front. 275-60-15's drag radials out back on a 15x8 wheel.

Lakewood 90/10 shocks in the front with moroso trick springs and no sway bar.

Lakewood 50/50's in the rear with 442 springs with an air lift bag in the right rear with home boxed lowers and a sway bar.











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Old January 18th, 2017, 05:14 AM
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1985 Monte Carlo SS ( could apply the same info to the Cutlass G-bodys)

Wheels
Front and Rear 17 x 8 Cragar SS 3.5 back space

Tires:
Front :245/40/17
Rear :275/40/17

suspension factory specs

wheels and tire combo would not work with a lowered set up. the combo is flush with the wheel openings.
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Old January 18th, 2017, 07:56 AM
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67 442, going for the Nostalgic Stocker look. Rear 15x8 chromes with 5 inch backspace and repro Cheater slicks 15x8x28 1/8 tall. Front 15x6 wheels 3 inch backspace with repro 760x15 tires.
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Old January 18th, 2017, 10:52 AM
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How about you guys with B & C bodies? Like to see some response for the land yachts.
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Old January 19th, 2017, 02:53 PM
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Originally Posted by m371961 View Post
How about you guys with B & C bodies? Like to see some response for the land yachts.
1962 Dynamic 88

Factory: 800 x 14 Tire 14 x 6 Wheel 5 x 5 Bolt Pattern
Current: P215 75R 14 Tire

Last edited by D. Yaros; January 31st, 2017 at 12:20 PM.
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Old January 19th, 2017, 10:43 PM
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1969 4-4-2 convertible.


Wheel Vintiques 14 X 7 SS I Repops.

BFG Radial T/A 245-60-14.
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Old January 20th, 2017, 07:19 AM
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72 Cutlass
Rushforth Black Widow's C6 Z06 brakes all the way around with Moser floater rear. No rubbing.
18x9 w/5.25 bs front Brigestone S04 Pole Position 275/35
19x10 w/5.75 bs rear Bridgestone S04 Pole Position 295/30
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Old January 20th, 2017, 08:00 AM
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Originally Posted by m371961 View Post
How about you guys with B & C bodies? Like to see some response for the land yachts.
Here is my 1971 Olds 98.



I have Eagle Alloy 058s on it. They are 15x7 with 4" backspacing and 0mm offset.

https://www.summitracing.com/parts/a...5750/overview/

The tires are P235/75 R15 General Grabber HTS. It was quite difficult finding a tire in this size that wasn't a knobby SUV / crossover tire. It originally had J78 bias ply tires from the factory but I wasn't interested in OE tires.
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Old January 20th, 2017, 08:19 AM
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1969 H/O
Stock H/O 15x7 wheels
BFG 255/60-15 at all four corners. Minor rubbing in front if you hit a bump at full steering lock, as when you hit the bump at the end of a driveway.
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Old January 22nd, 2017, 09:04 AM
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I've got 15x7, 4 inch BS on the front, and 15x8, 4.25 BS on the rear. The tires are all 215/70/15's. I wanted an OEM appearance, but the rear tires are essentially useless off the line. Needless to say, they do not rub anything at any time. I'm currently trying to calculate a size for the largest tire possible, to fit the rear.
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Old January 22nd, 2017, 07:05 PM
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On the coupe: 15X8 all around with whatever the stock backspacing is with these wheels. Can't remember. Stock coil springs all around but with one coil cut on the fronts. Cooper Cobras 255/60/15 No rubbing whatsoever.

On the Vert, stock steel wheels with Diamondback (Pirelli) tires 225/75/15. Sidewalls are smooth of lettering and the whitewalls are 1.5". One coil cut all the way around. (aka: The Gentleman Man Drop)
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Old February 26th, 2017, 05:05 AM
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72 Cutlass - 235-60-15s all the way around .
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Old June 1st, 2017, 09:05 PM
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Current
Hurst Dazzler 17"x8" 5x4.75 0 offset 4.5" backspace
BFGoodrich GForce SPORT C2
Front 245/45R17
Rear 255/45R17

Old
14" SSII
225/70R14
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Old June 28th, 2017, 02:36 PM
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4 SSII (BFG Radial TA 225/70/14) and 4 SSIII (Kelly Charger 225/70/14) All 8 rims are stock GM
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Old August 25th, 2017, 03:22 PM
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67 Cutlass Supreme, with 235/55R17 (17x8) and 295/45R18 (18x10)

Mustang Bullitt wheels from 1994-2004, with zero offset, used a 1 inch adapter to get to zero = room for big brakes (one day). Plenty of clearance in the back, no scrubbing or contact of any kind, and I drive it pretty hard, over speed bumps and such. Fronts will sometimes scrub when wheels are at full turn and bouncing hard at the same time, but otherwise no issues.


67 Cutlass, 295/45R18 and 235/55R17


Fronts are 235/55R17 (17x8 zero offset 4.5" backspace) 27.2" tall 9.3" wide


Rears are 295/45R18 (18x10 zero offset 5.5" backspace) 28.5" tall 11.6" wide


http://www.rimsntires.com/specspro.jsp

Last edited by pmathews; September 5th, 2017 at 09:57 AM. Reason: added dimensions from Rims & Tires Calculator
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Old October 20th, 2017, 07:21 PM
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My 70 has 17x8s with 0mm offset, 4.5in backspace all around. 255/50 in the rear and 235/50 up front. I tried 255/50 all around but the fronts rubbed the top of the wheel well when turning and encountering any sort of bump. No issues with 235s now.
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Old May 31st, 2018, 06:24 PM
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245 45 17 on 17x8 us mags bandits front, 275 40 17 on 17x9 rear on stock height 1972 olds cutlass. Lots of room front and rear - dirt cheap from summit racing. So much better looking than factory SS2s 14x6 215 70 14s. (now for sale cheap!)







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Old June 1st, 2018, 03:51 PM
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Just finished mine, and I got the look I wanted.
I hope this helps someone.

71 Cutlass drop top.

*2" lowering springs UMI 4051
*Hotchkiss shocks. 79020002 ($ well spent)

* American Racing vn500 custom 2 piece.
Rear 17X9.5 in. 0 offset, and 5.5 backspacing
Front 17X7.5 in. O offset, and 4.25 backspacing.

*Tires Nitto 555G2
Rear 285/40/R17
Front 245/45/r17

No Rubbing.
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Old June 16th, 2018, 08:33 PM
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Wheels

Originally Posted by patmac View Post
Current
Hurst Dazzler 17"x8" 5x4.75 0 offset 4.5" backspace
BFGoodrich GForce SPORT C2
Front 245/45R17
Rear 255/45R17

Old
14" SSII
225/70R14

Hello, is your suspension factory? I ordered same wheels with 255/50/17 all the way around on my 72 S factory suspension. You think they will fit?
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Old June 19th, 2018, 12:19 PM
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1962 Oldsmobile Dynamic 88 Convertible: P215 75 R 14
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Old June 19th, 2018, 07:23 PM
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Originally Posted by Daniel Chernow View Post

Hello, is your suspension factory? I ordered same wheels with 255/50/17 all the way around on my 72 S factory suspension. You think they will fit?
I'm not sure if they'll fit. I have a UMI 1" lowering stage 2 kit and didn't have any tire fit issues. I used the calculator below and it looks like your tires are 1.3" taller and .4" wider in the front and 1" taller in the back. I think you will be ok but I'm not 100%. Post some pics when you get them on so we can see!

https://tiresize.com/calculator/
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Old July 12th, 2018, 07:14 AM
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17's

I wanted to switch things up from my stock SS1's with repro wide ovals
I wanted to go 17" but not get a much shorter diameter tire & I wasn't obsessed about getting the fattest tire possible.

Fr 17x7 rear 17x8 both with zero offset
Tires are 225/55 and 245/50
Tires are through Discount Tire Direct on EBay. Shipped ASAP and a great price

by https://www.flickr.com/photos/[email protected]/, on Flickr

by https://www.flickr.com/photos/[email protected]/, on Flickr

by https://www.flickr.com/photos/[email protected]/, on Flickr

by https://www.flickr.com/photos/[email protected]/, on Flickr

by https://www.flickr.com/photos/[email protected]/, on Flickr

by https://www.flickr.com/photos/[email protected]/, on Flickr
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Old July 13th, 2018, 07:47 AM
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I went with Wheel Vintiques Series 52 (SSI) Wheels from Summit, Tires from Discount tires. Discount tire were excellent to work with. They had ordered a 15 x 10 wheel and mount a tire for testing purposes. Kudo's for them!
Fronts are 15 x 8 (4.5" BS) with 245/60's
Rears are 15 x 10 (5" BS) with 275/60's.

My axle is shifted to the passenger side a little. (close to .5 in).
the Driver's side has plenty of clearance. The passenger side just OK. I trimmed the inner wheel well trim to compensate.
I found out the hard way that my rear disc calipers were hitting the rim. I am using 1/4" spacers for now. I will grind down the calipers one of these days and remove the spacers.





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Old July 13th, 2018, 09:18 AM
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1970 442 - Front: 235/70-15 on 15x7 SS-1 wheels Rear: 275/60-15 on 15x8 SS-1 wheels
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