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I agree....the supercharger???

The more I looked into it I saw that shorties are a waste of time. I went with long tubes and an off-road x pipe. I figure if it's gonna take the better part of a day for me to install headers, I might as well get the most bang for my buck.

I have a loud whistling sound coming from my engine. I messed around with vacuum hoses and such....and I thought I got it, but an hour or so later it was back. Sounds like a bomb being dropped. Damned if I could figure it out. Any ideas???

I am looking for shorty headers for my 98 Cobra. It seems that nobody sells these anymore. Everyone has the longtube BBK's but no shorties. Can anybody point me in the right direction???

I have been using 5w-30 Mobil1 since I owned my Cobra. I have been running nitrous on it for about 5 years. There are 95,500 miles on it...a lot of them 1/4 mile at a time... Any thoughts of going to a heavier weight, or a different brand??? And why???:Track:

Can't talk about selling it on here...I just got in trouble for that. :nono: I was told I hafta put it in the classifieds for that. That will happen very soon. Thanks for all the info. It is much appreciated.

Anyone have any idea what the boost numbers are for this unit? Or what kinda HP gains can be made? Also, is there anywhere I can access this info? I looked on Roushperformance.com and I found nothing for 96 to 98's. Is the install very difficult? Is there much to buy to make it happen? Thanks...

I bought a 97 GT and the guy gave me this Roush supercharger with it. He had no idea what it fit. Can anyone identify it for me? I don't have any part numbers. All I have are these pics. I have more pics on request

I just installed an Aeromotive adjustable fuel pressure regulator on my 98 Cobra. (Adjustable up to 70 psi) I run a 125 shot Zex dry kit at the track. Now, I still have the stock 24 lb. injectors and stock fuel pump. Do I need to bump my fuel pressure up when using the juice? Or will the...

That kinda sucks for me - I mean I already bought the 98 to 04 pump. Can I use this pump on my 98 or do I have to get the older version??? I am really itching to replace the pump SOON. Anybody have any concrete information about this?

Anybody out there have a 98 Cobra that they replaced the fuel pump??? HELP!!!!!!!!!!

I have been told that aftermarket in-tank fuel pumps are different for 1998 & up models. Everywhere I look, all fuel pumps say 1986 to 1997 or something near that. I have a 98 Cobra and I wanted to replace the stock fuel pump with a 255 lph unit. Recently I started seeing Vortech with a pump...

Is there anything I can do to avoid this? Do I have to use the bottle up all in 1 day? I have noticed that if I use the first half or so of the bottle at the track and then try to use the rest on a different day, the second half of the bottle is junk. Should I be doing something differently...

Nobody has anything?

I recently installed a Zex nitrous kit on my 98 Cobra and so far I have run 2 bottles through it. The first bottle was used up mostly on my purge kit install and a few test runs. I took the car to the track and right before I staged for my first run I purged. All I got was a tiny little white...

I recently installed a Zex nitrous kit on my 98 Cobra and so far I have run 2 bottles through it. The first bottle was used up mostly on my purge kit install and a few test runs. I took the car to the track and right before I staged for my first run I purged. All I got was a tiny little white...

I have a 98 Cobra and lately I have been having some erratic idle problems. Some days it would be fine, some days it would be all over the place. I tried every trick I know of...cleaned mass air meter, idle air control valve, adjusted throttle position sensor, etc... I then figured I would clean...

Well, I had to order the spark plugs. (NGK TR6) I will go with these cuz they're only one step colder than stock. We'll see what happens. Thanks for all the help! :lol:

True. The full 10 lb. bottle weighs about 24 lbs. and the rest of the kit might weigh a few pounds more...What's 30 pounds? I'll just go on a diet. HA HA I'll take the added HP.

I'll try the 1 step colder plugs next time at the track. I don't see me going over the 75 hp shot for a while at least until I get a timing adjuster. I'll save the 2 steps colder plugs until then - they are brand new. Thanks for the help!