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Kirkham Motorsports

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Old 10-17-2016, 12:02 PM
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Default CSX4000/6000 Front Tire Size

Looking to order Avons to replace my Cooper Cobra tires on my car. My current front tires are 235x60x15 and Avon doesn't offer this size. They come in 225 or 245x60x15s. I feel pretty confident the 245s would be the way to go just wanted to see what size Avons people were running with the stock wheels. Make sure I didn't go too big and have clearance issues.

Thanks for the help!!!!
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Old 10-17-2016, 12:13 PM
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Avon 245/60s will work fine.
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Old 10-17-2016, 05:29 PM
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Thanks!!!
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Old 10-18-2016, 09:26 AM
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A comment I got from a MkIV owner a few years ago:

'225 is best compromise for handling, 245s on the front look great but can be heavy on the steering.'
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Old 10-18-2016, 09:44 AM
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Quote:
Originally Posted by KevinW View Post
A comment I got from a MkIV owner a few years ago:

'225 is best compromise for handling, 245s on the front look great but can be heavy on the steering.'
I actually remember a thread where one of the Kirkham brothers said they prefer the smaller sizes front and rear, at least on their cars, for best overall ride, handling, etc. I'll never be able to find that thread though.
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Old 10-18-2016, 09:54 AM
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In this thread started by Jamo in the Kirkham Forum about Avon tires and I quoted Tom Kirkham's comment about the benefits of narrower tires:

Kirkham owners: What size Avons?
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Old 10-18-2016, 11:43 AM
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I remember that post too, Knockers.
Gonna give it a shot next time.
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Old 10-18-2016, 05:04 PM
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I have 245's, and they steer fine for me. If the steering is too hard, maybe you have too much caster.
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Old 10-18-2016, 07:40 PM
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I would rather take wider tires up front and look cool then narrow tires in front and look like, a well, you know.
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Old 10-19-2016, 09:15 AM
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Lol!!!

I had 225s on my BDR cause 245s wouldnt clear with the offset of the 15" Vintage Wheels I purchased to replace the 18" wheels. Can't advise on the handling but no doubt the 225s looked a hair skinny up front. Guess it depends if looks vs handling is your main concern.
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Old 10-19-2016, 09:17 AM
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Double Post

Last edited by E5USMC; 10-19-2016 at 09:27 AM..
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Old 10-19-2016, 09:57 AM
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I'm running Avon 295X50X15 in the rear, 245X60X15 in the Front, on my early Kirkham and they work great. I know Kirkham's do not recommend those sizes, but after talking to many people, Dave Wagner being one them, that's what made my decision. My lovely wife also did the Goodyear Eagle Tredwear Lettering, no one to date had ever noticed there are Avons.
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Old 10-19-2016, 02:14 PM
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Avons are heavier than Goodyear Billboards and because of this I chose to mount Avons on Halibrand Magnesium wheels to offset the weight. Keep the Good years on Trigo aluminum wheels. Had to trim the air ducts to the front brakes for clearance and Smooth as Glass in Riverbank finished them and can't tell the ducts have been modified. FWIW
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