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So I just finished my live axle 8.8... new Ford factory 31 spline limited slip, strange axles and c clip elimnators, new 3.55 ring and pinion. Everything in it brand new. Do I need to break it on before I beat on it? I drive the car 500 miles a year and drive it like I stole it everytime so I...

Has anyone done it and put it threw abuse? I'm wanting to pin my tubes with 1/2 x 3/4 grade 8 bolts but can't find anyone who has done it and says it works good Sent from my SM-G975U using the svtperformance.com mobile app

Plan on changing to 3" from 2.5" this year. Already have long tubes and 3" X pipe. Car is tuned by Bob Kurgan. Do I need a revision for the bigger cat back?

My 80k mile cobra IRS is off center towards the driver side at least 1/4" if not more. I am a huge fan of good stance so this really gets me. I have been trying to figure this problem out for awhile. When I measure from the quarter panel to the tire on both sides the driver side sticks out 1/2"...

My cobra was tuned on e85 by Bob Kurgan and on the dyno sheet my AFR is right in 11.5-12.5 groove. I am in no way an experienced tuner that is why I am asking, but from what I have gathered from reading around 93 tune should read 11.5-12.5 on AFR and E85 should be much lower? I am looking into...

I'm new to the E85 life and have only gotten fuel in my car and jug 4 times. I test it every time of course. Anyway this last time the fuel was yellow/orange, not cloudy or bright orange but has a very noticeable tint to it and it doesn't smell like E85 it just smells like fuel I guess. It...

Installed my ARH 1-7/8 long tubes not too long ago with OEM gaskets and I'm worried the bolts may be loosened from heat, I hear some noise from engine bay but I'm not sure if it is exhaust or not. Either way I don't plan on dropping my k remember again... what is the easiest way to tighten the...

I've checked everything I can think of so I'm looking for advice, I recently had my k member out for header install and installed a 4# lower too. Kurgan motorsports installed fuel system and changed header gaskets (because I used the junk ones that came with my American racing headers and they...

So when I got the new tires on my 2003 cobra I was admiring the look and I realized that my rear end is not centered under the car? My driver side tire sticks out around 1/2-3/4 inch further than my passenger side. I have had the IRS out and replaced all bushings and bolts and the problem is...

So I just had my car tuned on e85 by kurgan motorsports. We discussed that I obviously should not let e85 sit in the car all winter storage but I was wondering what is the max time I can let it sit. I only get the car out on nice weekends and for car meets and stuff. It could sit for a month...

I've owned this car for over a year and it has always done this but it seems to have gotten worse after I money shifted it pretty hard but that might just be in my head since I'm worrying about it more now. Anyway, when I go wot in first and grab second it spits for a split second right when I...

I got to thinking today... I payed 20k for my cobra, down the road these next year's if I do everything I want to it I'll have 30-40k in it easily but it isn't worth that much even tho it's all there. Am I the only one that thinks like this? I don't plan on ever selling the cobra but it just...

I'm trying to find someone who knows every aspect of 03-04 cobras to talk to about the problems my car is having. The current topic is my rear end is gear whining louder than it ever has which is my main concern, it also wheel hops and clunks pretty good. All this started after I money shifted...

So sad to say it but I money shifted the cobra from top of 3rd to 2nd... anyway It broke the diff cover and that's it (atleast I thought). I order Ford racing reinforced diff cover and ftbr bushings and diff mount. Installed all of it in my garage everything torqued to spec and done exactly as...

The car is a 2004 mach one with forged internals, cobra pully swap, 2.3l whipple, 60lbs injectors, stock fuel pump, tuned to around 600hp on 93 pump gas. Owned the car for 2 days. The night of the purchase it ran great, pulled super hard, Ran just like my 03 cobra... Next day fire it up and it...

Ive owned my 03 cobra for about 4 months now. When I am racing or just doing a pull and I go for 3rd its like I hit a wall, no grind, it just will not go into gear for a second, its about 1/2 and 1/2 sometimes is does and other times it will not. Even happens from 3rd to 4th sometimes. I have a...