I think that the weight is the wrong way to go about it... here's why.
With a proper cage, driver, and fuel, you're probably going to be right around 3000 lbs. The weight balance of the SN95 isn't much better than the Fox, the real improvements didn't come until this year (52/48 for 2005), so other than revised pickup points and control arms on the SN95 chassis, they are similar to the fox. Brakes are better, but still aren't much improved until you get to the 2001's, with the multi-piston aluminum calipers.
The aero is the best of any years on 94-98, so that is a plus, but the frontal area is still high when compared to say an RX-7.
The power... stock you've got 140-145Hp based upon year(94-98). Within IT trim, you can expect around 200, maybe a little over, but not much. To really get the motor to put down some numbers, I'd say you need a cam, more open intake and heads, and a good optimization of everything there.
So... my thoughts? I was really hoping for the car to remain at 3100 and get bumped down to ITA. It would have been much easier to build the car to be competitive there, since you wouldn't have to worry about every ounce of weight and the Hp would have been more in line with the cars. The BMW's, from my understanding, are around 240hp or so in IT trim, and have handling on par or above that of the 2005's, which I can say are much better than the 04-prior's.
So, the 64k dollar question... can it run up front in ITS? I don't really think so. It could be a top five car, depending upon the competition and who shows up, but if people like Irish Mike bring out their Mercedes down here, there's not really much of a chance of taking a win from a car like that... I'd build it if you like the car, but I wouldn't build it with the dream of being class champion, even at 2850.
Just my opinion, worth what you paid for it...
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-Marcello Canitano
www.SilverHorseRacing.com