I went to dragway 42 tonight. first time in the cobra. first time on the qtr with a stick an 1st time with dr's. best time was 14.21 an fastest trap was 100.66. best 60 was 2.21. i haven't had the car long, the PO said it had 410's. the speedo was off 10 mph when it got it i put a 23 tooth gear in an its right now. I was hitting the rev limiter right before the finish line in 3rd. so now i'm thinking the 410's may be 373's. i also found out the exhaust is hacked. it has a 2.5" 4 cat h pipe, 2.25 flow tubes, 2.5" flowmasters, an 2.25 tails. is this costing me anything? i have a bassani o/r x pipe, what kinda improvement should i look for after installing it? sorry the post is so long, thanks for any input.
Assuming that you're referring to the 97 in your sig I think an o/r X-pipe should get you more top end power. Also, I have 3.73s in my 99 and I'm right before the rev-limiter in 3rd in the 1/4. You probably should focus on your launching with dr's and your shifting. I think you should be getting somewhere in the 13s. Btw, what kind of 60fts are you getting?
60 ft times were in the 2.2's an 2.3's. i think next time i'll soften up the launch. I didn't power shift it. I have an occasional slight grind going into 5th so I wasn't going to blow the tranny an walk home.
What were you leaving the line at? I think that combined with some practice, you could gain a lot of time back from the 2.2x 60s. Down those into the 1.9x and you've shaved .3 there and have yourself in the high 13s.
my 98 is mostly stock with a o/r x-pipe and a mac cat back and a k&n drop in > I launch at 2700 > and pull a 2.4 60 foot with stock 3:27 gears and run 14.1 at 100 mph and only hit 4th gear once. and I run street tires>
