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do you still have this? where are you located?

I have a stock engine except cold air and I have just developed this sucking when I shut off the engine. I have also notice a little loss in power.

I bought my Bullitt thinking I will never mod it. All it took was a spanking from a ram air fire chicken, then came the gears and more mods. Your time will come..... At least do the gears! You won't regret it.

Peak hp gains with cams will not be much without exhaust and intake mods, but there will be more usable power in the high rpms. That's why it is important to get good valve springs, that will allow you to spin higher and take advantage of the additional usable power in the higher rpms. I...

With just bolts-on the cobra will easily make over 300 hp at the wheels... the GT will not. All the cobra needs is a few upgrades from the '03 cobra rear and some 4.10 gears. It will be a 6800rpm killer.... p.s. I wouldn't trade my Bullitt for an '01 Cobra

Stock 4V heads flow 260 cfm intake and 201 cfm exhaust @ .550" Fox Lake fully ported 4V Modular heads flow a whopping 320 cfm intake and 260 cfm exhaust at .550" !!!! this quote was taken from www.foxlakeracing.com

The 'stock GT' tested by Kennebell, had an aftermarket exhaust installed before the test. It was on page 4 of the article in the link below. Good numbers.....well over 300 pounds of torque @ 2500 rpms :nice: http://www.kennebell.net/media/articles/2_SCREW.pdf

A '97 cobra motor and '01 cobra motor are somewhat different. Besides the '97 was stock...there will be little to no benefits by changing the plugs to Denso's. My brother's '01 is has full exhaust, pullies, wms cold air kit and a dyno tuned Autologic chip....conditions like this will benefit...

Well said.... :nice: p.s. how do you like the Ford racing rotors?

My brother just got the Denso IT20's for his 01 cobra and he feels a definite improvement.

One piece of advice I got from a hardcore racer was "Raise your air pressure, because you don't want to dead hook and break something".......

My brother has a 2001 cobra vert and pulled off a 13.58 @ 102 mph...all stock. The coupe has gotta be 2 tenths faster. GT's all stock are in the low 14's...I've never seen a GT break into the 13's without changing tires.

he has a built shortblock. I prefer to have 360 pounds of naturally aspirated torque, that lasts longer than a s/c blown engine and not have to deal with blower whine..... nice setup lafear01 :hail2: