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1Likes
04-21-2010, 04:23 PM
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Senior Club Cobra Member
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Join Date: Feb 2007
Cobra Make, Engine: KMP 539, a Ton of Aluminum
Posts: 9,591
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Not Ranked
Quote:
Originally Posted by Jamo
Don't know yet, Ernie...been raining.
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I thought you were one of those "all-weather Marlboro" type men. What's a little rain to ya?
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04-21-2010, 04:47 PM
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CC Member
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Join Date: Apr 2007
Cobra Make, Engine: # 757 ERA 427 SC , 482 Al. big block
Posts: 896
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Not Ranked
Dcmgt ... you asked about circumference of the 245/295 ... 15" Avons . I just measured the front ( 245`s ) at 81 1/2" for the LF and 81 5/8" for the RF at 26 psi . When I get the time , I`ll measure the rears .
Bob
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04-21-2010, 05:40 PM
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Super Moderator
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Join Date: May 2001
Location: Fresno,
CA
Cobra Make, Engine: KMP 184/482ci Shelby
Posts: 14,445
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Not Ranked
Quote:
Originally Posted by RodKnock
I thought you were one of those "all-weather Marlboro" type men. What's a little rain to ya?
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Yeah, I know...I'm getting old.
__________________
Jamo
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04-21-2010, 05:52 PM
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Senior Club Cobra Member
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Join Date: Jul 2002
Cobra Make, Engine:
Posts: 15,712
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Not Ranked
Well in Hawaii, rain or shine, no problem, you would dry off shortly anyway so no big deal. Here in Oregon I got rained on and wet sometime ago and didn't dry out for three days AND it was cold!
...I just got my heater from ERA, and the softop, and the side curtains, I've totally whimped out man.
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04-21-2010, 06:02 PM
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CC Member
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Join Date: Aug 2007
Cobra Make, Engine: 31XX Car
Posts: 374
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Not Ranked
Avon diameters
Quote:
Originally Posted by Bobcat
Dcmgt ... you asked about circumference of the 245/295 ... 15" Avons . I just measured the front ( 245`s ) at 81 1/2" for the LF and 81 5/8" for the RF at 26 psi . When I get the time , I`ll measure the rears .
Bob
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Thanks Bob. Your fronts end up being nominally 25.96" tall, vs the 26.7 or whatever you see listed in the literature/websites. Goes to show you how you can't go by the published numbers. It will be interesting to see what your rears come in at.
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04-21-2011, 04:52 PM
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Senior Club Cobra Member
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Join Date: Jan 2005
Location: saratoga,
ca
Cobra Make, Engine: Kirkham #185, Shelby Alloy 482; sold
Posts: 1,190
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Not Ranked
Jamo, just got the AVON's on my Kirkham, same size as your's. Are you still running 28psi or have you lowered the pressures? I called Krauss and they said 26 front and 25 rear.
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Dave
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04-23-2011, 03:48 AM
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Super Moderator
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Join Date: May 2001
Location: Fresno,
CA
Cobra Make, Engine: KMP 184/482ci Shelby
Posts: 14,445
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Not Ranked
Per our PMs...yup, down to 26 all around, but I actually drop the fronts a bit when I'm playing around in the mountains.
So...have you driven on them yet?
__________________
Jamo
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04-23-2011, 09:15 AM
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Senior Club Cobra Member
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Join Date: Jan 2005
Location: saratoga,
ca
Cobra Make, Engine: Kirkham #185, Shelby Alloy 482; sold
Posts: 1,190
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Not Ranked
Yes! Noticed two differences right off the bat. Turn in is very quick and they throw rocks. Since my car is painted, I added some heli tape behind the rears. I haven't had a chance to head up into the foothills yet.
__________________
Dave
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04-24-2011, 01:46 PM
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CC Member
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Join Date: Dec 2009
Location: San Carlos, Carmel,
CA
Cobra Make, Engine: Kirkham #625 427S/C, 468 ci Al block, 615 HP
Posts: 100
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Not Ranked
My Avons are now over a year old with 800 miles on them. They continue to impress me with their grip and drivability. I run them at 25 psi F & R. They are equally impressive in hard cornering and in putting the power down. Other high performance rubber I own from Pirelli, Yokohama, and Michelin seem to be good at one or another, but not both. Their sidewalls still look new and best of all they leave fine rubber dust on the back of the car that is fun to clean off. I unhesitatingly recommend regardless of price.
Mark
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04-28-2011, 02:31 AM
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CC Member
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Join Date: May 2008
Location: San Jose CA,
CA
Cobra Make, Engine: SPF_R_/BRG/FRBoss302/327CI/FordEFI/Under_Car_Exh/
Posts: 2,523
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Not Ranked
Where thinner / narrower tires will pay off is in transitional handling, from one corner to the next , and dont forget overall gas mileage, wear and tear on the car ( joints /etc )
I have seen a direct link between oversize tires linked to suspension /chassis wear and reduced gas mileage.
there is probably a percent that someone could chime in with. -- I do remember a former car where I beefed up the tire size by about 10% in width ( all 4 ) and dropped about 10% in MPG.
Just a thought!
Steve
__________________
Steve SPF 2734 MK3 / Brock Coupe #54- panavia.com
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11-12-2012, 12:32 AM
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CC Member
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Join Date: Jun 2003
Location: Australia,
Zzz
Cobra Make, Engine: Shelby alum 468 block
Posts: 14,974
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Not Ranked
__________________
Bernie Knight
KMS 427 #662 Shelby 468 CSX 1026
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11-12-2012, 02:26 PM
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CC Member
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Join Date: Nov 2011
Cobra Make, Engine:
Posts: 4
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Not Ranked
Avons
I have tried Goodyear billboards on my Hurricane. They constantly leaked air,flatspotted and wandered all over the place! I now run the Avons (245/60vr15 and 295/50vr15).The Avons are infinitely better!
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