Notices
C4 General Discussion General C4 Corvette Discussion not covered in Tech

17" vs 18" wheels?

Thread Tools
 
Search this Thread
 
Old 05-10-2009, 10:48 PM
  #1  
Bat Man
Team Owner

Thread Starter
 
Bat Man's Avatar
 
Member Since: Aug 2000
Posts: 28,013
Received 32 Likes on 8 Posts

Default 17" vs 18" wheels?

I'm still debating on what looks best?

It seems to me that the 18" wheels look best when the car is lowered substantially more than stock. Plus the 35 is more harsh of a ride no?

But the 17 inch wheels, some of them seem like the tire is too thick (40) (from looking at the c4 wheel thread).
Old 05-10-2009, 10:52 PM
  #2  
RandyJ75
Safety Car
 
RandyJ75's Avatar
 
Member Since: Jan 2006
Location: Mt Laurel NJ
Posts: 3,566
Received 4 Likes on 4 Posts
St. Jude Donor '06-'07

Default

Originally Posted by Valleybacker
I'm still debating on what looks best?

It seems to me that the 18" wheels look best when the car is lowered substantially more than stock. Plus the 35 is more harsh of a ride no?

But the 17 inch wheels, some of them seem like the tire is too thick (40) (from looking at the c4 wheel thread).
If I had it to do over again, I would have bought 18" wheels, they seem to fill up the wheel well better.
Old 05-11-2009, 12:09 AM
  #3  
PLRX
Team Owner

 
PLRX's Avatar
 
Member Since: Aug 2005
Location: Riverside County Southern California
Posts: 34,988
Received 501 Likes on 342 Posts
Co-winner 2020 C4 of the Year - Modified
2018 Corvette of Year Finalist
2017 C4 of Year
2016 C7 of Year Finalist
St. Jude Donor '09-'10-'11-'12-'13-'14-'15-'16-'17-'18-'19-'20


Default

Originally Posted by RandyJ75
If I had it to do over again, I would have bought 18" wheels, they seem to fill up the wheel well better.


If you go 17", lower the vette.
Old 05-11-2009, 02:29 AM
  #4  
mnstrlt1
Melting Slicks
 
mnstrlt1's Avatar
 
Member Since: Mar 2008
Location: Chandler Arizona
Posts: 3,022
Likes: 0
Received 3 Likes on 3 Posts

Default

i remember reading an article about wheel diameter and performance... the 17 is the "better" choice based on rotational mass... although if we're going on strictly looks, I do believe a "staggered" look 17f/18r or 18f/r would be best.
Old 05-11-2009, 06:01 AM
  #5  
mechguy79
Pro
 
mechguy79's Avatar
 
Member Since: Mar 2007
Location: San Angelo Texas
Posts: 526
Likes: 0
Received 1 Like on 1 Post
Default

I'm doing C5 wagon wheel 18's on all 4 corners. I am keeping the 40 series tires with the 18's which will add 1" total height to the wheels. At the fender well it should be about 1/2" closer to the fender. I think doing that and then cutting down the rubber bumpers on the springs to lower the vette another 1/2" would look sick! Cool part is with the added tire diameter the total height of the car should be the same. You just have to figure out how to correct the speedo error. From my math with the 18"s and 275/40/18 tires I have about a 4% error.

Oh, and on another note the C5 rear wheels have the correct offset. The front C5 17" wheels sit about 1/2" in farther than the stock C4 wheels.
Old 05-11-2009, 06:56 AM
  #6  
floridamale
Safety Car
 
floridamale's Avatar
 
Member Since: Jan 2008
Location: Vero Beach Florida
Posts: 3,939
Likes: 0
Received 1 Like on 1 Post

Default

I run 18's all the way around on my 87 the only down side is the added cost of tires. You can use this site to see your speedo changes.
http://www.miata.net/garage/tirecalc.html
Old 05-11-2009, 08:36 AM
  #7  
Churchkey
Melting Slicks
 
Churchkey's Avatar
 
Member Since: Sep 2008
Location: Cherokee National Forest TN
Posts: 2,376
Likes: 0
Received 102 Likes on 92 Posts

Default

I have 275/40/18's on all 4 corners. They fill the wheel wells nicely + I like the extra ground clearance on my 1/4 mile of gravel driveway.

Lowering by mechanical methods will require realignment.

Speedo results, 70 mph indicated = 72 mph actual verified by Tom Tom & Garmin GPS units. Your results my vary dependent on tire brand as the squat radius per brand may be different.
Old 05-11-2009, 10:52 AM
  #8  
GKK
Safety Car
 
GKK's Avatar
 
Member Since: Jan 2004
Location: Northern California
Posts: 3,783
Likes: 0
Received 11 Likes on 11 Posts

Default

What "Looks the Best" are 18's in my opinion. Buy a good Forged lightweight wheel and some low profile tires and your Vette will look Real Nice!

Also, whatever wheel size you go with, the suspension will have to be lowered front and rear to get the look just right.

Last edited by GKK; 05-11-2009 at 10:54 AM.
Old 05-11-2009, 02:02 PM
  #9  
PonchoC4
Heel & Toe
 
PonchoC4's Avatar
 
Member Since: Aug 2007
Location: Chi-Town ILLinois
Posts: 24
Likes: 0
Received 0 Likes on 0 Posts

Default

HERE ARE MY 18's


Old 05-11-2009, 03:40 PM
  #10  
BAM92
Safety Car
 
BAM92's Avatar
 
Member Since: May 2003
Location: Houston Texas
Posts: 4,283
Received 0 Likes on 0 Posts

Default

Poncho those look sweet. 18's would be my choice as I have already had 2 sets of 17's and 2 sets of 18's on my car in 6 years. 19's are my favorite but then tires in the widths I want get real expensive and hard to hook up with big power.
Old 05-11-2009, 03:41 PM
  #11  
BrianCunningham
Team Owner
 
BrianCunningham's Avatar
 
Member Since: Mar 2001
Location: Boston, Dallas, Detroit, SoCal, back to Boston MA
Posts: 30,641
Received 239 Likes on 167 Posts

Default

They change the profile of the tire so the diameter of the tires are the same 17 vs 18

I run 17's in the back and 18's in the front when I race

Old 05-11-2009, 04:26 PM
  #12  
"J"
Pro
 
"J"'s Avatar
 
Member Since: May 2006
Location: Bardstown ( Bourbon capitol of the world ) KY ( The Bluegrass state )
Posts: 549
Likes: 0
Received 2 Likes on 1 Post
Default

I like 17's in the front and 18's in the rear Then lower it! I still need to lower mine

Old 05-11-2009, 04:29 PM
  #13  
PLRX
Team Owner

 
PLRX's Avatar
 
Member Since: Aug 2005
Location: Riverside County Southern California
Posts: 34,988
Received 501 Likes on 342 Posts
Co-winner 2020 C4 of the Year - Modified
2018 Corvette of Year Finalist
2017 C4 of Year
2016 C7 of Year Finalist
St. Jude Donor '09-'10-'11-'12-'13-'14-'15-'16-'17-'18-'19-'20


Default If you are installing 18"

I installed 285/40ZR18 all around on my 95.

I wish I have installed 285/35ZR18
Old 05-11-2009, 06:12 PM
  #14  
rpm94
Drifting
 
rpm94's Avatar
 
Member Since: May 2006
Location: Columbus Ohio
Posts: 1,633
Received 23 Likes on 9 Posts

Default 18s on all 4 corners.

Nuff said!!!!:rofl:


Old 05-11-2009, 06:23 PM
  #15  
garkahn90
Instructor
 
garkahn90's Avatar
 
Member Since: Jun 2005
Location: Davison Michigan
Posts: 219
Likes: 0
Received 0 Likes on 0 Posts
Default

Originally Posted by PonchoC4
HERE ARE MY 18's


I like these a lot. What are the specs, brand, on the wheels and tire size(s)?
Old 05-11-2009, 07:09 PM
  #16  
mnstrlt1
Melting Slicks
 
mnstrlt1's Avatar
 
Member Since: Mar 2008
Location: Chandler Arizona
Posts: 3,022
Likes: 0
Received 3 Likes on 3 Posts

Default

Originally Posted by PonchoC4
HERE ARE MY 18's



whats the offset and widths here? that's a serious "lip" on those wheels. I am guessing 35mm offset?

Get notified of new replies

To 17" vs 18" wheels?




Quick Reply: 17" vs 18" wheels?



All times are GMT -4. The time now is 05:13 PM.