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View Poll Results: Which do you prefer classic 15 or modern 18?
Classic is best stick with 15" 61 70.11%
Can't beat the better performance of the 18" 26 29.89%
Voters: 87. You may not vote on this poll

Kirkham Motorsports

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Old 02-14-2014, 12:33 PM
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No reason you can't expect decent performance with a 15" tire..and.. still get the classic look!
Most owners can never put their car fully to the test anyway. If your racing it that's a whole other ball game, tire wise..
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Old 02-14-2014, 12:36 PM
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(the 'knowing we can and have it' part kicks in..... with our pride and wallet)
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Old 02-16-2014, 05:52 AM
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Considered this once in the beginning but realistically do not compete with the car enough to make it what I want to look at everyday. Call it old school but these cars originally came with and was used in competition with 15 inch wheels. Bottom line it is all about what our individual needs for these cars has to be.
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Old 02-16-2014, 07:36 AM
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Very true I think I'll stick with the 15's. If I do start to track it more I would probably buy some 18's with Hoosier slicks. Nothing is worse than sliding around the track on street tires.
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Old 02-16-2014, 08:32 AM
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When shoding my Cobra, the greatest concern was the number of tires available in a rim size. The second concern was cost. That is why I went with 17 inch rims. Vintage Wheels made the rims with a custom off-set. Vintage Wheels creates an exact requested product! Never a problem getting special requests supplied. The wheels are as important as the tire size in my book.
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Old 02-16-2014, 09:07 AM
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For the crew that wants to stay with the classic look of 15's and sticking to the original look - are you running the same width in rubber as the '66 Shelby Cobra 427 S/C (front 185x15, rear 195x15)?
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Old 02-16-2014, 07:34 PM
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Default You beat me to it...

I noticed in the claims posted that as the sidewalls decreased, the tire widths increased. Not really a true comparison, now is it?

There is so much more than wheel diameter to determine which is best. Compounds, tire brand, offset, rim width, suspension settings, alignment, etc. Ever weigh a set of 18" or larger wheels and tires? Quite a bit heavier than 15s. Think this has any effect on handling? Can you say unsprung weight? You can't just slap on a set of wheels and tires and expect them to perform if the car wasn't designed for them.

The only sure truth is that you can fit bigger brakes. Otherwise there are too many variables. I personally have a set for the street and a set for the track.
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Old 02-19-2014, 03:30 AM
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Quote:
Originally Posted by AL427SBF View Post
For the crew that wants to stay with the classic look of 15's and sticking to the original look - are you running the same width in rubber as the '66 Shelby Cobra 427 S/C (front 185x15, rear 195x15)?
Good point - I will remember that when fellow Cobs comment on my 17" wheels.
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Old 02-19-2014, 08:36 AM
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Quote:
Originally Posted by AL427SBF View Post
For the crew that wants to stay with the classic look of 15's and sticking to the original look - are you running the same width in rubber as the '66 Shelby Cobra 427 S/C (front 185x15, rear 195x15)?
Not a one? ... oh the hypocrisy of it all!
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Old 02-19-2014, 09:05 AM
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LOL I suppose we should use 1965 gas too!
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Old 02-19-2014, 10:13 AM
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Quote:
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LOL I suppose we should use 1965 gas too!
1965 gas isn't available these days but 185x15 and 195x15 tires are, so what's your excuse?
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Old 02-19-2014, 10:50 AM
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Quote:
Originally Posted by AL427SBF View Post
1965 gas isn't available these days but 185x15 and 195x15 tires are, so what's your excuse?
We build "Day 2" type Cobras.
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Old 02-19-2014, 11:29 AM
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Quote:
Originally Posted by AL427SBF View Post
1965 gas isn't available these days but 185x15 and 195x15 tires are, so what's your excuse?
Ummmm I don't want to die?
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Old 03-11-2014, 02:04 AM
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18's on the Cobra I just picked up.
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Old 03-11-2014, 06:07 AM
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hmmmmmmm; that does not look to bad...on the front.
What tires/size does it have?
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Old 03-11-2014, 11:34 AM
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Quote:
Originally Posted by blown871 View Post
hmmmmmmm; that does not look to bad...on the front.
What tires/size does it have?
Michelin
285 front/ 335 rear...

But once I make some performance upgrades I'll be switching the rear to the Toyo R888 street slic. I run them on my 9sec 87 Grand National and they hold up pretty well.
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Old 03-11-2014, 07:29 AM
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I really flop back and forth on this issue. I like the classic look of 15's but the 18's look darn good too.
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Old 03-11-2014, 07:33 AM
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looks.. .vs... realities.. and letting go of that fact that we don't have original cars.....and we want to get the MOST out of what we do have.
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Old 03-11-2014, 11:42 AM
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Perfect to know... as it is very easy to over read.... the advertisements.. and get something that is track only.. or some stupid hard street tire.

The real world feedback is GREATLY appreciated.

(Hell I have slicks on my tubbed out Chevelle and .... I hit the streets every Saturday night.............)
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Old 05-08-2014, 06:44 PM
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So have the new 18" Nittos on.
WOW!! LOVE the handling!! LOve feeling the acceleration.

not wild about the 4x4 look. (yes I was aware of it.. and the diameters are about the same.. but the narrow tire tricks the eye to it looking more than it is)

Anyone lower the car/springs?
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