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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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  #1 (permalink)  
Old 02-13-2014, 06:34 PM
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Default Track Challenge

Quote:
Originally Posted by G-Pete View Post
So, if you think that you can beat me on the track (245/15 & 295/15 Avons), come on down here - we have some interesting tracks. Who looses pays the track time ---- how about that?
Beating you would be fun, why don't you come out here, Willow Springs will be running this coming May with the Cobra club, if you are faster I'll pay your entry fee, in fact I'll pay your entry fee to get you out here.
My front tires are 315x30x18 and rears are 335x30x18 and I would estimate that I have 400 HP on you, I am pretty sure you won't be visible in my mirrors after 2 laps.
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Old 02-13-2014, 02:44 PM
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Quote:
Originally Posted by Cobra #3170 View Post
You put him on 18" Hoosier A6's with proper camber and spring rates and he would pick up 6 seconds a lap. I ran 15" back when they actually made good slicks for 15's (1970's), LMS 16" slicks in the 1980's and 1990's on wider than stock rims (9.5 F and 11 R) and now 18" on (11" F and 12" R) and I can tell you there is no comparison. Yes, part of it is modern compounding but the steering response is so much more precise with low aspect ratio's I would never go back. There is also the problem of tire distortion under high loads
with large aspect ratios especially with poor suspension geometry. There is a reason that the automobile and tire companies gravitated toward larger wheel diameters, they are better.
This guy knows PERFORMANCE, when it comes to Cobras Bruce is a God...
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Old 02-13-2014, 09:08 PM
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This guy knows PERFORMANCE, when it comes to Cobras Bruce is a God...
No disrespect... I'm aware of Bruce's achievements (outstanding by the way), but I'll see your cobra god, and raise you Morris.





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Old 02-13-2014, 11:24 AM
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Originally Posted by buddyg View Post
So I'm torn the classic look of the 15's or the better performance of the 18's?

What say ye?
If you go 18's, do they make those chrome hooptie spinners for them?
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Old 02-13-2014, 11:44 AM
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18's on a Cobra look about the same as 26's on a Monte Carlo. Go with 15's for the best look.

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Old 02-13-2014, 11:57 AM
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18's on a Cobra look about the same as 26's on a Monte Carlo. Go with 15's for the best look ...
Nice try, not even close ...
Superformance NEW 18' American Racing Rims!
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Old 02-13-2014, 12:30 PM
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Nice try, not even close ...
Superformance NEW 18' American Racing Rims!
It's all about perspective, opinion and hyperbole.
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Old 02-13-2014, 03:36 PM
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Nice try, not even close ...
Superformance NEW 18' American Racing Rims!
Those pics. prove my point exactly.
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Old 02-13-2014, 04:22 PM
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I think the wording on the poll is kind of flawed.
It depends on what you are trying to do with your car.

I have 17's on my track car and 15's on my street car.

I think 15's look better but that car will never see the track.

17's perform better and allow bigger brakes too.
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Old 02-13-2014, 05:20 PM
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Originally Posted by dallas_ View Post
I think the wording on the poll is kind of flawed.
It depends on what you are trying to do with your car.

I have 17's on my track car and 15's on my street car.

I think 15's look better but that car will never see the track.

17's perform better and allow bigger brakes too.
The poll is flawed because you can own more than one set of wheels.
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Old 02-13-2014, 02:30 PM
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I have to say I'm thinking the 15's look best to me personally. Luckily that is what I have, but as others have said maybe some 18's for the roadcourse or drags.
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Old 02-13-2014, 05:23 PM
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Well to clarify the question is really for the street. It's obvious the bigger wheels and tires would be better for the track.

So answer the question based soley on street driving.
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Old 02-13-2014, 05:32 PM
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Quote:
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Well to clarify the question is really for the street. It's obvious the bigger wheels and tires would be better for the track.

So answer the question based soley on street driving.
ok ,then I vote 15's.
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Old 02-13-2014, 09:12 PM
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Quote:
Originally Posted by buddyg View Post
Well to clarify the question is really for the street. It's obvious the bigger wheels and tires would be better for the track.

So answer the question based soley on street driving.


Then 15s are sufficient. The reason I prefer 18s for track is the wide choice of R compound tires. Tire companies have mostly abandoned performance 15s.
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Old 02-13-2014, 06:44 PM
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boys...
boys.... boys....
lets all play nice...................
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Old 02-13-2014, 07:38 PM
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boys...
boys.... boys....
lets all play nice...................
Nonsense, a challenge was made 'mano a mano' so let 'em work it out on the track like real men.

Quote:
Originally Posted by G-Pete View Post
I know who Bruce is, I would not challenge an amateur.
... who wants to start the poll G-Pete vs. Cobra #3170
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Old 02-13-2014, 08:46 PM
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Quote:
Originally Posted by AL427SBF View Post
Nonsense, a challenge was made 'mano a mano' so let 'em work it out on the track like real men.



... who wants to start the poll G-Pete vs. Cobra #3170
I never gamble. .... But I would put money on this one cause that's not gambling.
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Old 02-13-2014, 09:33 PM
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The immortal words from the best there is:

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Old 02-14-2014, 03:48 AM
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The immortal words from the best there is:

Standby, i gotta go take a piss.
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Old 02-14-2014, 09:35 AM
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I have 17s and I'm happy. I haven't kept up, and was not aware 18s were the new 17s. Too thin of a side wall does look a bit too modern for me.

As a side note I just replaced my back tires (imagine that!), got a smoking deal from a vendor and went to a Firestone store to have them mounted. My front tires are about a year and half old, installed by discount tire, and the steering wheel would get a slight vibration at speed. So I had Firestone re-balance the fronts as well. Took it for a test drive and guess what....steering wheel was rock solid through a range of freeway speeds.
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