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View Poll Results: Which do you prefer classic 15 or modern 18?
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Classic is best stick with 15"
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61 |
70.11% |
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Can't beat the better performance of the 18"
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26 |
29.89% |
 11Likes
02-13-2014, 08:47 AM
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CC Member
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Join Date: Dec 2010
Location: Allen,
TX
Cobra Make, Engine: Werk77 289FIA
Posts: 1,296
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Not Ranked
__________________
Scratch build 289 FIA see the Scratch builder forum on CC - sold
DRB GT40 MK1 red #49- sold
FF5 Mk4 #7733 302/T5/IRS - dark blue - sold
FF5 MK4 #7812 427/TKO/IRS - Guardsman Blue - sold
FF5 MK4 #8414 501/TKO600/48IDA Ollie the Dragon #91 - sold
FF5 Daytona Coupe 347/TKO/IRS Homage CSX2299 Viking Blue - sold
SPF 2063
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02-13-2014, 09:05 AM
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CC Member
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Join Date: Apr 2011
Posts: 1,092
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Not Ranked
Quote:
Originally Posted by G-Pete
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Too bad Bill wasn't running 18s, he would have done even better. 15s vs. 18s boils down to a very simple question, do you want original looking wheels on your non-original replica or do you want wheels that optimize performance on your non-original replica. One need look no further that what the exotics are using to see where the performance edge is  |
02-13-2014, 09:34 AM
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Full Blown Member
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Join Date: Sep 2008
Cobra Make, Engine: KMP 427 S/C, Twin Paxton 511 FE
Posts: 2,594
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Not Ranked
Quote:
Originally Posted by AL427SBF
do you want original looking . . . on your non-original replica or do you want . . . that optimize performance on your non-original replica. One need look no further that what the exotics are using to see where the performance edge is |
Jeez. Don't be so hard on us! 
Aren't those gauges you use "original looking"?
They certainly aren't the best gauges you can get and certainly not what the exotics are using.
We ALL ride the fine line, no, make that the FAT line of looks/originality vs performance.
__________________
rodneym
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02-13-2014, 10:04 AM
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CC Member
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Join Date: Apr 2011
Posts: 1,092
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Not Ranked
Quote:
Originally Posted by rodneym
Jeez. Don't be so hard on us!
Aren't those gauges you use "original looking"?
They certainly aren't the best gauges you can get and certainly not what the exotics are using.
We ALL ride the fine line, no, make that the FAT line of looks/originality vs performance. |
... last time I checked gauges didn't improve lateral g's  |
02-13-2014, 10:45 AM
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Full Blown Member
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Join Date: Sep 2008
Cobra Make, Engine: KMP 427 S/C, Twin Paxton 511 FE
Posts: 2,594
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Not Ranked
Quote:
Originally Posted by AL427SBF
... last time I checked gauges didn't improve lateral g's |
Fair enuff.
__________________
rodneym
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02-13-2014, 11:08 AM
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Full Blown Member
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Join Date: Sep 2008
Cobra Make, Engine: KMP 427 S/C, Twin Paxton 511 FE
Posts: 2,594
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Not Ranked
duplicate post.
__________________
rodneym
Last edited by rodneym; 02-13-2014 at 11:09 AM..
Reason: iPad freaked out
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02-13-2014, 11:17 AM
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Backdraft Racing Dealer
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Join Date: Dec 2004
Location: North Haven,
CT
Cobra Make, Engine: Backdraft Racing
Posts: 5,124
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Not Ranked
Bigger Wheels = Bigger Brakes
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02-13-2014, 11:28 AM
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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: 9,592
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Not Ranked
Quote:
Originally Posted by Cashburn
Bigger Wheels = Bigger Brakes
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Bigger Wheels = Heavier Wheels = Tires w/Thinner Sidewalls = Reduced Ride Quality |
02-13-2014, 11:21 AM
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Stolen Avitar
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Join Date: Oct 2004
Location: Brunswick,
GA
Cobra Make, Engine: BDR 1311 428PI
Posts: 3,044
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Not Ranked
Quote:
Originally Posted by AL427SBF
... last time I checked gauges didn't improve lateral g's |
Niether do Cobra bodies, but that's what were all running isn't it.  |
02-13-2014, 12:01 PM
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CC Member
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Join Date: Apr 2011
Posts: 1,092
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Not Ranked
Quote:
Originally Posted by lovehamr
Niether do Cobra bodies, but that's what were all running isn't it. |
lol, do you even understand the discussion? chassis & suspension yes, car bodies? ... too funny. |
02-14-2014, 11:17 AM
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CC Member
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Join Date: Oct 2007
Location: Cape Town,
WC
Cobra Make, Engine: Shamrock
Posts: 428
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Not Ranked
I always ran 15" but upped to 17" to fit bigger brakes and because tyres where a problem to source here in South Africa.
Currently run 275X40X17 MT Street Comps on the back but think I should have gone with 275x40X18" on the rear to fill the wheel arches better. The front 245X45X17 look great.
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02-13-2014, 10:27 AM
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CC Member
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Join Date: Apr 2007
Cobra Make, Engine:
Posts: 1,009
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Not Ranked
15 vs 18
Quote:
Originally Posted by G-Pete
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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. |
02-13-2014, 10:59 AM
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CC Member
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Join Date: Dec 2010
Location: Allen,
TX
Cobra Make, Engine: Werk77 289FIA
Posts: 1,296
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Not Ranked
Quote:
Originally Posted by Cobra #3170
You put him on 18" Hoosier A6's with proper camber and spring rates and he would pick up 6 seconds a lap.
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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?
__________________
Scratch build 289 FIA see the Scratch builder forum on CC - sold
DRB GT40 MK1 red #49- sold
FF5 Mk4 #7733 302/T5/IRS - dark blue - sold
FF5 MK4 #7812 427/TKO/IRS - Guardsman Blue - sold
FF5 MK4 #8414 501/TKO600/48IDA Ollie the Dragon #91 - sold
FF5 Daytona Coupe 347/TKO/IRS Homage CSX2299 Viking Blue - sold
SPF 2063
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02-13-2014, 01:46 PM
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CC Member
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Join Date: Dec 2010
Location: Tempe,AZ-High Point,NC,
AZ
Cobra Make, Engine: Kirkham #684, 482FE, Mike Mccluskey build
Posts: 2,520
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Not Ranked
Quote:
Originally Posted by G-Pete
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?
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Have you seen this Cobra run, until your car wins the Optima challenge and is not invited back cause he was too fast all my money is on Cobra 3170, I'll pay tract time and bet you thousands if you want, Bruce are you in?
__________________
PRIDEnJOY
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02-13-2014, 02:07 PM
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CC Member
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Join Date: Dec 2010
Location: Allen,
TX
Cobra Make, Engine: Werk77 289FIA
Posts: 1,296
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Not Ranked
I know who Bruce is, I would not challenge an amateur.
__________________
Scratch build 289 FIA see the Scratch builder forum on CC - sold
DRB GT40 MK1 red #49- sold
FF5 Mk4 #7733 302/T5/IRS - dark blue - sold
FF5 MK4 #7812 427/TKO/IRS - Guardsman Blue - sold
FF5 MK4 #8414 501/TKO600/48IDA Ollie the Dragon #91 - sold
FF5 Daytona Coupe 347/TKO/IRS Homage CSX2299 Viking Blue - sold
SPF 2063
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02-13-2014, 10:55 PM
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CC Member
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Join Date: Dec 2010
Location: Tempe,AZ-High Point,NC,
AZ
Cobra Make, Engine: Kirkham #684, 482FE, Mike Mccluskey build
Posts: 2,520
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Not Ranked
Quote:
Originally Posted by fordracing65
Have you seen this Cobra run, until your car wins the Optima challenge and is not invited back cause he was too fast all my money is on Cobra 3170, I'll pay tract time and bet you thousands if you want, Bruce are you in?
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I have money on this let it happen, lol lol
__________________
PRIDEnJOY
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02-13-2014, 05:34 PM
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CC Member
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Join Date: Apr 2007
Cobra Make, Engine:
Posts: 1,009
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Not Ranked
Track Challenge
Quote:
Originally Posted by G-Pete
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?
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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. |
02-14-2014, 10:10 AM
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CC Member
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Join Date: Dec 2010
Location: Allen,
TX
Cobra Make, Engine: Werk77 289FIA
Posts: 1,296
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Not Ranked
Quote:
Originally Posted by Cobra #3170
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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Sure you would at Willow Springs, my car is setup for acceleration not for top speed (4.10). The car is too tall (front) and too light, under 2000# for speeds above 140mph.
The Horse Thief Mile comes in mind....
Anyhow - are you saying, you have 870 HP?
__________________
Scratch build 289 FIA see the Scratch builder forum on CC - sold
DRB GT40 MK1 red #49- sold
FF5 Mk4 #7733 302/T5/IRS - dark blue - sold
FF5 MK4 #7812 427/TKO/IRS - Guardsman Blue - sold
FF5 MK4 #8414 501/TKO600/48IDA Ollie the Dragon #91 - sold
FF5 Daytona Coupe 347/TKO/IRS Homage CSX2299 Viking Blue - sold
SPF 2063
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02-14-2014, 01:21 PM
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CC Member
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Join Date: Dec 2010
Location: Tempe,AZ-High Point,NC,
AZ
Cobra Make, Engine: Kirkham #684, 482FE, Mike Mccluskey build
Posts: 2,520
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Not Ranked
Quote:
Originally Posted by G-Pete
Sure you would at Willow Springs, my car is setup for acceleration not for top speed (4.10). The car is too tall (front) and too light, under 2000# for speeds above 140mph.
The Horse Thief Mile comes in mind....
Anyhow - are you saying, you have 870 HP?
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I believe his new engine does and it revs past 10g, cost around 50g, fuel injected ,Should I go on and on, it makes me horny if I do... 
__________________
PRIDEnJOY
Last edited by fordracing65; 02-14-2014 at 01:26 PM..
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02-13-2014, 01:44 PM
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CC Member
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Join Date: Dec 2010
Location: Tempe,AZ-High Point,NC,
AZ
Cobra Make, Engine: Kirkham #684, 482FE, Mike Mccluskey build
Posts: 2,520
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Not Ranked
Quote:
Originally Posted by Cobra #3170
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.
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This guy knows PERFORMANCE, when it comes to Cobras Bruce is a God...
__________________
PRIDEnJOY
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