2003 Cobra runs 12.7 stock... - Ford Mustang Forums : Corral.net Mustang Forum
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post #1 of 41 Old 04-30-2002, 07:53 PM Thread Starter
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2003 Cobra runs 12.7 stock...

Just got off the phone with a friend of mine that works in the service dept. of an SVT authorized dealership. He told me that his service manager was selected to represent their dealership and drive a 2003 Cobra at the Bondurant driving school; where he went on to record the fastest 1/4 time of the group. Not sure of the trap speed...


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post #2 of 41 Old 04-30-2002, 07:55 PM
 
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Re: 2003 Cobra runs 12.7 stock...

Quote:
Originally posted by Fourcam281
. Not sure of the trap speed...
111mph I beleive.

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post #3 of 41 Old 04-30-2002, 08:49 PM
 
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i find it too hard to believe that the mach 1 did a 12.97 on only drag radials. 300 on the crank isnt that much.
ill believe it when i see it.
the cobra though i believe. i want one really bad
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post #4 of 41 Old 04-30-2002, 11:13 PM Thread Starter
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i find it too hard to believe that the mach 1 did a 12.97 on only drag radials. 300 on the crank isnt that much.
It's entirely possible. 300 crank hp or 255rwhp is enough for that car to trap 105mph, the ET is in the driving/traction.

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post #5 of 41 Old 04-30-2002, 11:25 PM
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Well I saw the cars, I saw the times, I've seen pics all over the net, and got numerous of friends that can testify the MACH 1 went 12.9. I still think the 2003 Cobras have more then High 12's in there. I was really hoping we would see some low 12's stock.

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  • Fordchip Tuned Dyno #'s:407.6 RWHP 386.5 TQ with car seriously de-tuned for "bottom-end" reasons.
  • Go-fast mods:Steeda Hood and Wing, Saleen side scoops & front bumper, Stalker sideskirts, FMS "C" Springs 1 Coil cut in the rear, Nitto 555R's(front) & Drag Radials(rear)
  • Blower Mods:Vortech JT-Trim, 3.60 RR Pulley (8 psi) 42 lb inj, Lightning 90mm MAF, no powerpipe.
  • Tranny & Drivetrain:Tremec TKO 5-speed, Steeda Tri-ax shifter, Steeda adj quadrant clutch cable, Spec Stage III clutch, Spec Aluminum Flywheel, FRPP Aluminum Driveshaft, 4.10 FRPP gears
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  • Misc & Engine:Steeda UnderDrive Pulleys, Steeda Timing Adjuster set back to 10, 180 thermo, Autolite TR764 Coppers, EEC Tuner (Removed) now using Autologic Chip (*ALL REMOVED FOR BLOWER*
  • Exhaust:MAC 2.5" Inch Catback with 3.5" Chrome Tips, MAC Longtubes & MAC Off-Hpipe (grins everytime I start the car)

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post #6 of 41 Old 04-30-2002, 11:55 PM
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I'm kind of surprised at all the 360rwhp bonestock dyno reports, but yet the car is only trapping 109-111.

I know they threw in some 3.55 gears, but I wonder if the steeper T56 gearing and extra weight is holding it back in the trap speeds??

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post #7 of 41 Old 05-01-2002, 01:12 AM
 
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Quote:
Originally posted by JB VOBRA
I'm kind of surprised at all the 360rwhp bonestock dyno reports, but yet the car is only trapping 109-111.

I know they threw in some 3.55 gears, but I wonder if the steeper T56 gearing and extra weight is holding it back in the trap speeds??
The extra weight is a big factor. I think if you could shed maybe 150-200lbs of of it, add some good exhaust and sticky tires low 12's would be possible. I am sure the gearing plays a roll as well.

BTW I personally watched a 03 cobra make its way down a qtr mile track, undisclosed, at 12.84 at 110.8 mph just this past weekend. That was with a decent driver, from what I was told, and a half tank of gas. I think the driver weighed maybe 180-190lbs. This was with the stock tires too. I think a high 12 sec mustang is good for ford. It will not be long before there in the 11's with some bolt ons, pulley change, and dr's.
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post #8 of 41 Old 05-01-2002, 01:26 AM
 
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Quote:
Originally posted by Fourcam281


It's entirely possible. 300 crank hp or 255rwhp is enough for that car to trap 105mph, the ET is in the driving/traction.
i may be wrong, but i feel if that were true then more 2v gt's would be doing 12's. what was the gearing in the mach1? theres too many gt's with 260 rwhp and 4.10's doing low 13's.
correct me if im wrong, but right now i feel ill beleive it when i see it.
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post #9 of 41 Old 05-01-2002, 02:36 AM
 
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Job1 is supposed to be in less than 2 weeks. We will know soon what the production cars will run. Have patience.
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post #10 of 41 Old 05-01-2002, 06:48 AM
 
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Originally posted by 97DOHC
Job1 is supposed to be in less than 2 weeks. We will know soon what the production cars will run. Have patience.
Ours is being built week of 5/13, got Vin(#302), dealer said they normally get them 2 weeks or so after being built, can't fuggin wait!

On a side note, I believe the Mach 1 has more then 300 HP, think more like 320. And my wife will be happy to show you her 2003 Cobra taillights to anyone that doesn't believe in it's power.

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post #11 of 41 Old 05-01-2002, 07:49 AM
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Quote:
Originally posted by hed_strosity
i may be wrong, but i feel if that were true then more 2v gt's would be doing 12's. what was the gearing in the mach1? theres too many gt's with 260 rwhp and 4.10's doing low 13's.
correct me if im wrong, but right now i feel ill beleive it when i see it.
It is entirely possible. I was running 12.9s with 255rwhp, and 12.8s with 268rwhp. Bill Putnam has been running in the 12.8s with 254rwhp. It is all gear and driving!

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post #12 of 41 Old 05-01-2002, 08:32 AM
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Quote:
Originally posted by 01blown4.6




BTW I personally watched a 03 cobra make its way down a qtr mile track, undisclosed, at 12.84 at 110.8 mph just this past weekend.
Where was this at?

Few cars...
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post #13 of 41 Old 05-01-2002, 09:49 AM
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Quote:
Originally posted by primetime


Where was this at?
Key word there was undisclosed!

And 109-111 isn't bad for that heavy of a car. I have dynoed 349 to the wheels and my traps are generally 111.5. So if they have extra HP on tap and more weight, I believe that's about right.

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post #14 of 41 Old 05-01-2002, 09:53 AM
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Quote:
Originally posted by RavenGT


It is entirely possible. I was running 12.9s with 255rwhp, and 12.8s with 268rwhp. Bill Putnam has been running in the 12.8s with 254rwhp. It is all gear and driving!

joe
And I've run 13.3s with only 231 rwhp!! A big whopping 99.55 MPH!!!

But no it's not possible.

Actually I'm confident the car could have gone 13.2s...I missed 3rd gear on that pass.....dammit.

Eric

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post #15 of 41 Old 05-01-2002, 09:55 AM
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266 first gear...3.55 rear gear would help stock tires, but I think it's impossible to accurately speculate on 03 Cobra times until we see see one with some 4.30's and sticky tires. Gears, good driving, and tires make an incredible difference. Line up against Joe (Raven GT) sometime, and you will see what I mean!

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post #16 of 41 Old 05-01-2002, 09:57 AM
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Quote:
Originally posted by BlitzkriegMS_2

But no it's not possible.

Eric
Eric, do you mean: But no it's NOT impossible! ????? Not sure what you meant above.

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post #17 of 41 Old 05-01-2002, 10:50 AM
 
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Quote:
Originally posted by RavenGT


Eric, do you mean: But no it's NOT impossible! ????? Not sure what you meant above.

joe
Think he was being sarcastic
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post #18 of 41 Old 05-01-2002, 12:41 PM
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Quote:
Originally posted by Fourcam281


It's entirely possible. 300 crank hp or 255rwhp is enough for that car to trap 105mph, the ET is in the driving/traction.

Could you explain how 255rwhp is enough for 105mph trap speeds. Most stock Cobras have that much rwhp and trap closer to 101-102. I for one trap at 105 and know I have more than 255rwhp.

This is a serious question, not a jab.
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post #19 of 41 Old 05-01-2002, 12:50 PM
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It's nice to hear from you Andy. Where have you been?

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post #20 of 41 Old 05-01-2002, 12:57 PM
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Quote:
Originally posted by Moonlight96GT


And my wife will be happy to show you her 2003 Cobra taillights to anyone that doesn't believe in it's power.
Hey Matt, I'd love to see your wife's tail . .

lights that is

Couldn't resist

Rich

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post #21 of 41 Old 05-01-2002, 01:18 PM
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Quote:
Originally posted by RavenGT


Eric, do you mean: But no it's NOT impossible! ????? Not sure what you meant above.

joe
Joe...definitely being sarcastic...I mean just look at my piss poor MPH.

Hopefully pulleys and some exhaust will open 'er up.

See you at FFW this weekend?

Eric

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post #22 of 41 Old 05-01-2002, 01:27 PM
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i think it is very possible for those trap speeds. i went 12.77 @ 106 with 3.73's and 264 hp. with d/r and the car weighs 3370 with me in it.
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post #23 of 41 Old 05-01-2002, 01:40 PM
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Quote:
Originally posted by tebone626
i think it is very possible for those trap speeds. i went 12.77 @ 106 with 3.73's and 264 hp. with d/r and the car weighs 3370 with me in it.
Holy smokes thats a crazy ET! for that gear. Great job. I have the same gear/tire setup could you please pm the timeslip numbers, want to look at the breakdown with et/mph.

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post #24 of 41 Old 05-01-2002, 01:55 PM
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Quote:
Originally posted by BlitzkriegMS_2
See you at FFW this weekend?

Eric
No, I won't be there. I actually wasn't even planning on going to that one, not that I could, the car is down right now.

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post #25 of 41 Old 05-01-2002, 01:55 PM
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give me your email address and i will email it to you.
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post #26 of 41 Old 05-01-2002, 02:36 PM
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I just wanted to add that the Mach 1 is said to be a 300 hp car, that motor however may not be, and the rating is there to seperate the distance between it and the superchsrged SVT.
If the 01 Cobras were turning 277 to 284 RWHP whos to say the Mach one wont? If that motor was really detuned...(who would bare the cost of that and try to pass it off to your bosses, think about it, hey we have an idea for a limeted edtion performance modle. all we have to do is de tune the motor to make less hp!????)
Anyways if it turns out they got the same motor as the 01 and it was underrated to save the 01 SVTs image then its quite possible ther is more at the crank then the 300, maybe a bit more then the 320?
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post #27 of 41 Old 05-01-2002, 03:25 PM
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And, the MACH got new cams right, for better torque, isnt the torque motivating that sucker to 12.9??
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post #28 of 41 Old 05-01-2002, 03:27 PM Thread Starter
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Ralph, thanks, the computer was down for about a month and a half. It's also the "busy" time of year in terms of school and work. Did you get your fuel system problems shored up?

DS, my statement is based on what I've seen done (I've personally run a 105.7 trap with 261/261 at the wheels on the stock T/As). You're right in that most stock 96-98 Cobras that dyno 250-260rwhp only trap 101-102. However, do most stock cobra drivers rape their cars repeatedly in order to wring out the best ET/trap? Probably not. Also, IMHO, most of the guys running those poor traps launch way to low/easy. Getting the most out of your DOHC on street tires, and even more so on DRs, requires a hella high launch and lots of clutch slip. If you don't you'll bog, as slight as it may be, it's going to cost you large at the big end. Let me repeat, any kind of bog whatsoever, and your run is toast; which leads into an annoying fallacy...That the use of DRs or slicks will respectively lower a cars trap speed, opposed to it running on street tires. Not true. Modular motors aren't exactly torque monsters (in near stock form), meaning that you're going to have to dump/slip the clutch at the highest possible rpm on launch or you'll bog. There's a fine line between bogging, hooking perfectly, and spinning when launching, and unless you're hooking perfectly or spinning you're going to lose time and speed. Launch high enough with sticky tires and you'll pick up a decent amount of trap--I've only trapped a best of 108.5 on DRs) As I said before, most aren't willing to abuse their driveline parts in such a manor.

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post #29 of 41 Old 05-01-2002, 03:51 PM
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Quote:
Originally posted by DS97Cobra



Could you explain how 255rwhp is enough for 105mph trap speeds. Most stock Cobras have that much rwhp and trap closer to 101-102. I for one trap at 105 and know I have more than 255rwhp.

This is a serious question, not a jab.
See sig.... I ran a [email protected] in a 99 Cobra with only a K&N and drag radials. And it would have gone 13.1x-13.2x on that pass if I hadn't short shifted 1-2 . Now compare a Mach 1 to my car.

99 Cobra advantages:
20 more PEAK hp

03 MACH 1 advantages:
Solid axle
Better gearing
More torque
Probably less weight (due to solid axle)

I think that the Mach 1 advantages MORE than make up for the 20 PEAK hp deficit.

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post #30 of 41 Old 05-01-2002, 04:03 PM
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Quote:
See sig.... I ran a [email protected] in a 99 Cobra with only a K&N and drag radials
You were probably running 280rwhp and still didnt' get 105mph


Fourcam,

Maybe so, but your car must have one hell of a torque curve or be exeptionally light to pull off 105 with those power figures. We all know a little tire spin helps mph and plenty of guys do that and don't even touch 105.7.

What were your 60fts driving like that, tires, and launch rpm??
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post #31 of 41 Old 05-01-2002, 04:10 PM Thread Starter
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DS, the only weight reducing mods performed at the time: 1/4 tank of gas, no spare. This was in my racing infancy, don't hold it against me Power mods were: K&K drop in, and a ported unrecal'd maf--probably hurt. My 60' was 2.02 on a well prepped 60-65F evening at Norwalk. My launch rpm was 4500 with lots of slip.

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post #32 of 41 Old 05-01-2002, 04:18 PM
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DS, I am not giving you a hard time, but why is that MPH so hard to believe? There are 2V's making 255-270 rwhp, that are trapping 105+. And a lower-geared Cobra should have no problem reaching those trap speeds.

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post #33 of 41 Old 05-01-2002, 04:30 PM
 
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I trapped 105 mph last night, the lowest mph I had was 104.
The 03 is heavy and probably has some serious traction issues.
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post #34 of 41 Old 05-01-2002, 04:37 PM
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weather plays a HUGE role in trap speeds

I've trapped over 102 in the 240rwhp bonestock Bullitt in -800ft density alt weather. I've also trapped 99 in +1200ft dens alt weather with no other changes at all.

Same thing in the Z06. One day I'm trapping 117, the next time out 114. Why?? WEATHER!!

make sure you're comparing apples to apples with regards to weather conditions.
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post #35 of 41 Old 05-01-2002, 06:42 PM
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Quote:
Originally posted by DS97Cobra


You were probably running 280rwhp and still didnt' get 105mph
So what? I also wasn't running in perfect weather either. The mach 1 has 20 less peak hp. But it SHOULD also weigh about 85 lbs less than my cobra due to the solid axle. Also, let us please not forget that the Mach 1 may very well have more power under the curve than the 99-01 Cobra. And even if it doesn't it is set up to use the power it has better than the 99-01 Cobra due to it's gearing. I was only cutting 2.0 60' times when I was running 13.30s, and the 1.96 I got would have been a 13.1x or 13.2x had I not short-shifted by accident. I'm quite sure that a mach 1 on drag radials could cut better than a 2.0 60' time.

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