C1 & C2 Corvettes General C1 Corvette & C2 Corvette Discussion, Technical Info, Performance Upgrades, Project Builds, Restorations

[C2] 17" wheels and tires for a C2

Thread Tools
 
Search this Thread
 
Old 10-26-2018, 03:31 PM
  #1  
68hemi
Race Director
Thread Starter
 
68hemi's Avatar
 
Member Since: Nov 2003
Location: Cottonwood AZ
Posts: 10,698
Received 3,051 Likes on 1,935 Posts
C1 of Year Finalist (performance mods) 2019

Default 17" wheels and tires for a C2

In the past I have been against anything on a stock wheel well C2 with anything larger than 205R70X15" for fear of front fender damage on a hard turn on curbed drive way. However with the limited selection of available tires in that size I am considering 17" wheels. My 65 of course has disc brakes all around. What is the largest tire I can fit on a 17" rim with either a 50 or 60 sidewall with a standard back spacing wheel and no fear of the above stated damage? Any pictures of what I am speaking of appreciated.
Old 10-26-2018, 03:57 PM
  #2  
Factoid
Le Mans Master

 
Factoid's Avatar
 
Member Since: Jul 2018
Location: San Antonio, TX/Mahopac, NY
Posts: 8,430
Received 5,609 Likes on 2,819 Posts
2024 Corvette of the Year Finalist - Modified
2024 Corvette of the Year Finalist - Unmodified
2023 C7 of the Year Winner - Modified
Default

I found this thread to be very helpful as I go through the same thought process.

https://www.corvetteforum.com/forums...es-for-c2.html

With a 50 series 17”, conventional wisdom says 225/50-17 is about it.
The following users liked this post:
68hemi (10-26-2018)
Old 10-26-2018, 04:07 PM
  #3  
RJ1
Burning Brakes
 
RJ1's Avatar
 
Member Since: Jun 2011
Location: doral florida
Posts: 985
Received 106 Likes on 91 Posts
Default

Originally Posted by 68hemi
In the past I have been against anything on a stock wheel well C2 with anything larger than 205R70X15" for fear of front fender damage on a hard turn on curbed drive way. However with the limited selection of available tires in that size I am considering 17" wheels. My 65 of course has disc brakes all around. What is the largest tire I can fit on a 17" rim with either a 50 or 60 sidewall with a standard back spacing wheel and no fear of the above stated damage? Any pictures of what I am speaking of appreciated.



Wheels are 17 X 7 with 4 inch back space. Wilwood discs all around. Tires 2:25 50 front and 2:35 50 rear. Car lowered a couple inches and tires are under fender wells and no rubbing as you see in first picture. Have offset trailing arms and could get a 2:45 rear but rim should then be a little wilder than 7 inch. You will have many tire selections more attuned to sports cars, These Kuhmo's are great and priced reasonable. Can also find bigger wheel selection with 17 inch and get nice lighter wheels to reduce unsprund weight and better handling.
The following users liked this post:
68hemi (10-26-2018)
Old 10-26-2018, 04:46 PM
  #4  
randy ransome
Melting Slicks
Support Corvetteforum!
 
randy ransome's Avatar
 
Member Since: Nov 2004
Location: Olive Branch Mississippi
Posts: 3,199
Received 426 Likes on 209 Posts
Winner 2020 C4 of the Year - Unmodified
2018 Corvette of Year
2017 C2 of Year Finalist
2015 C4 of Year

Default

These are 18 X 7 with 4" backspace. Wheels are Schotts. Tires are Michelin 225/50 front 235/55 rear.
The front tires do rub if you turn hard either way.


Old 10-26-2018, 04:52 PM
  #5  
Black_Magic
Safety Car

 
Black_Magic's Avatar
 
Member Since: Jun 2000
Location: St. Louis MO
Posts: 4,693
Received 448 Likes on 205 Posts
2020 Corvette of the Year (appearance mods)
C2 of Year Winner (appearance mods) 2019
CI 4-5-7-9-10-11 Car Show Winner
CI 2-3-4-5-6-7-9-10-11 Vet

Default

Here is some I collect a few year ago ===>> Click Here

George
The following 2 users liked this post by Black_Magic:
68hemi (10-27-2018), MrTrim (10-28-2018)
Old 10-26-2018, 11:58 PM
  #6  
3JsVette
Race Director
 
3JsVette's Avatar
 
Member Since: Jan 2007
Location: NYC NY
Posts: 13,416
Received 2,500 Likes on 1,652 Posts

Default

Originally Posted by randy ransome
These are 18 X 7 with 4" backspace. Wheels are Schotts. Tires are Michelin 225/50 front 235/55 rear.
The front tires do rub if you turn hard either way.
Gorgeous C2 coupe. Is the rubbing on the frame rail?

Old 10-27-2018, 12:59 AM
  #7  
63 340HP
Team Owner
 
63 340HP's Avatar
 
Member Since: Nov 2005
Location: Beach & High Desert Southern California
Posts: 25,573
Received 2,372 Likes on 896 Posts

Default

To get an overall tire diameter in the 26.5"-27.5" height of the original tire fender filling radius, you need to go to a 225/55/17 (~26.8"), or 225/50/18 (~26.9-27.2"). These are typical Mustang GT sizes.

If you prefer more sidewall, a few brands make 225/60/16 tires at ~26.8" tall, the factory Crown Victoria Police Interceptor size.

All of these are Z or W speed rated tires, in a ultra high performance or better summer tread (no SUV tires).

Race tires will grip better, but sizes are more limited.
Old 10-27-2018, 09:43 AM
  #8  
woodsdesign
Safety Car
 
woodsdesign's Avatar
 
Member Since: Jan 2004
Location: Macedonia Ohio
Posts: 4,127
Received 538 Likes on 350 Posts

Default

Originally Posted by RJ1


Wheels are 17 X 7 with 4 inch back space. Wilwood discs all around. Tires 2:25 50 front and 2:35 50 rear. Car lowered a couple inches and tires are under fender wells and no rubbing as you see in first picture. Have offset trailing arms and could get a 2:45 rear but rim should then be a little wilder than 7 inch. You will have many tire selections more attuned to sports cars, These Kuhmo's are great and priced reasonable. Can also find bigger wheel selection with 17 inch and get nice lighter wheels to reduce unsprund weight and better handling.
Are you saying that the tires lowered the car a couple of inches? Or, you lowered the car a couple of inches and the 17" rims fit.
Old 10-27-2018, 01:23 PM
  #9  
RJ1
Burning Brakes
 
RJ1's Avatar
 
Member Since: Jun 2011
Location: doral florida
Posts: 985
Received 106 Likes on 91 Posts
Default

Originally Posted by woodsdesign
Are you saying that the tires lowered the car a couple of inches? Or, you lowered the car a couple of inches and the 17" rims fit.
The car is lowered and tires are just a little shorter then stock sized tires. So it is both.
Old 10-28-2018, 04:32 AM
  #10  
1965fuelie
Racer
 
1965fuelie's Avatar
 
Member Since: Jun 2007
Location: Sarpsborg Norway
Posts: 435
Received 48 Likes on 20 Posts
2018 C2 of Year Finalist

Default




my 67 with 17x7, 4 inch backspace with 225/55R17 Diamondback redlines. No rubbing ever.
The following users liked this post:
JHarley (05-25-2020)
Old 10-28-2018, 09:03 AM
  #11  
emdoller
Melting Slicks
 
emdoller's Avatar
 
Member Since: Aug 2010
Location: El Dorado Hills CA
Posts: 2,793
Received 479 Likes on 336 Posts

Default

I’m generally a fan of big wheels but not so much on a C2. One of the things I love about the C2 is the look of the stock wheels. My concern would be running 50 series tires on a 50 yr old suspension.

Can you comment on how the ride has changed?

Ed
Old 10-28-2018, 09:08 AM
  #12  
randy ransome
Melting Slicks
Support Corvetteforum!
 
randy ransome's Avatar
 
Member Since: Nov 2004
Location: Olive Branch Mississippi
Posts: 3,199
Received 426 Likes on 209 Posts
Winner 2020 C4 of the Year - Unmodified
2018 Corvette of Year
2017 C2 of Year Finalist
2015 C4 of Year

Default

Originally Posted by 3JsVette
Gorgeous C2 coupe. Is the rubbing on the frame rail?
It rubs the fender.
The following users liked this post:
3JsVette (10-29-2018)
Old 10-28-2018, 09:18 PM
  #13  
64tux
Burning Brakes
 
64tux's Avatar
 
Member Since: Sep 2005
Location: MANCHESTER IOWA
Posts: 846
Received 7 Likes on 6 Posts

Default

Originally Posted by emdoller
I’m generally a fan of big wheels but not so much on a C2. One of the things I love about the C2 is the look of the stock wheels. My concern would be running 50 series tires on a 50 yr old suspension.

Can you comment on how the ride has changed?

Ed
I agree ED! Big wheels look good on a lot of cars, but not a C2! Ray
Old 10-28-2018, 09:31 PM
  #14  
Vette5311
Le Mans Master
 
Vette5311's Avatar
 
Member Since: Mar 2018
Location: Golden Colorado
Posts: 9,256
Received 1,259 Likes on 840 Posts
Default wheel size



Originally Posted by 64tux

I agree ED! Big wheels look good on a lot of cars, but not a C2! Ray
I always like the tire with a bit more sidewall. We don't have the best roads and potholes, and the lower sidewall gives a stiffer ride. I agree, I like the C2 with a bit more tire but the really bigger wheels look cartoonish to me. Just my opinion. I went with a 16x7 with a 205 60 16 on the front with Falken tires, not a SUV tire but not a super high speed tire either. I've got good clearance. Here are a couple pics.

Old 10-28-2018, 09:52 PM
  #15  
63 340HP
Team Owner
 
63 340HP's Avatar
 
Member Since: Nov 2005
Location: Beach & High Desert Southern California
Posts: 25,573
Received 2,372 Likes on 896 Posts

Default

If you like a wide tire close to the stock 27" tall height with sidewall for looks and comfort, these are W rated 225/60/16's, on US Wheel 16x7" Rally rims with 4.25" backspace, on a drum brake (a disc brake car should use 4" backspace, and test to fit under the fender flange). My 63' car is lowered about 1-inch on the equivalent of F41 springs (550/305#/in). The front tires only rub the frame rails at full steering lock, just like my stock rims with 215/70/15's (just in a place slightly closer to the front axle centerline).




Old 10-29-2018, 07:25 PM
  #16  
427Hotrod
Race Director
 
427Hotrod's Avatar
 
Member Since: Jan 2000
Location: Corsicana, Tx
Posts: 12,626
Received 1,895 Likes on 923 Posts
2020 C2 of the Year - Modified Winner
2020 Corvette of the Year (performance mods)
C2 of Year Winner (performance mods) 2019
2017 C2 of Year Finalist

Default




The top pic is with 275/45-18's on the rear and 225/45-17's on the front. They seemed a little small so next I went to 295/45-18's on rear and 235/45-17's on the front. Wheel size is 18x9.5 on rear with 5.25" backspacing and 17x7" on front with 4" backspacing. Same size wheel on both sets of tires...just more bling on the newer ones. Obviously I have lip flares on rear so not much help..but the fronts clear fine and my car is lowered in front.

JIM

Last edited by 427Hotrod; 10-29-2018 at 07:31 PM.
Old 10-30-2018, 09:23 PM
  #17  
jrm5657
Melting Slicks
 
jrm5657's Avatar
 
Member Since: Jun 2001
Location: Fountain Hills Arizona
Posts: 2,661
Received 686 Likes on 383 Posts
2022 C2 of the Year Finalist - Modified

Default

Darryl.
I had these 17 x 7 Wheels and tires on my 67 roadster a few years ago. I sold the car with stock rally wheels and redlines, so these are sitting in my shop. I would have to climb up on the shelving to take a look to see what size they are. I was going to use them on my restomod but went with 18" wheels, so I don't have any plans for these.
Jim

Get notified of new replies

To 17" wheels and tires for a C2

Old 10-30-2018, 11:01 PM
  #18  
Factoid
Le Mans Master

 
Factoid's Avatar
 
Member Since: Jul 2018
Location: San Antonio, TX/Mahopac, NY
Posts: 8,430
Received 5,609 Likes on 2,819 Posts
2024 Corvette of the Year Finalist - Modified
2024 Corvette of the Year Finalist - Unmodified
2023 C7 of the Year Winner - Modified
Default

I’m on a mission.



And it’s not to **** off the wife by leaving my car crap on her kitchen countertops.
Old 10-30-2018, 11:13 PM
  #19  
SpedRacr93
Burning Brakes
 
SpedRacr93's Avatar
 
Member Since: Nov 1999
Location: Houston TX
Posts: 846
Received 17 Likes on 16 Posts

Default

Originally Posted by Factoid

You should probably check those tire pressures. They look a little low.
Old 10-30-2018, 11:20 PM
  #20  
Factoid
Le Mans Master

 
Factoid's Avatar
 
Member Since: Jul 2018
Location: San Antonio, TX/Mahopac, NY
Posts: 8,430
Received 5,609 Likes on 2,819 Posts
2024 Corvette of the Year Finalist - Modified
2024 Corvette of the Year Finalist - Unmodified
2023 C7 of the Year Winner - Modified
Default

Yeah, they’re flat! Oh, I kill me!



Quick Reply: [C2] 17" wheels and tires for a C2



All times are GMT -4. The time now is 08:43 PM.