Track Numbers
Track Numbers I finished getting baseline numbers for my 1994 Z28 tonight as I took it to the track. As stated before, I'm starting this build from scratch and keeping track as I go. The car is a 1994 Z28, A4, with 2.73 gears that is stock with the exception of ZR1 wheels and Eibach lowering springs. Rated 275hp and 325tq it dynoed 230 hp and 273 tq to the ground. I had previously g-teched it just for comparison's sake. It ran a 14.1 @ 100ish on the g-tech.
Tonight I got the final baseline for it at Lebanon Valley Dragway. I left the car untouched except for changing the oil (conventional oil) and setting the tire pressure to 45 psi front and 35 psi rear (changed to 30 psi after the second pass).
My first run I spun to a 14.79 @ 96 mph with a 2.40 60'.
Second pass was not much better with a 14.63 @ 96.5 mph with a 2.25 60'.
At this point I was beginning to think that maybe I just got a slug. I was pleasantly suprised with my final 2 passes.
14.33 @ 98.0 mph with a 2.20 60'
14.32 @ 97.5 mph with a 2.14 60'
Nothing earth shattering, but at least the car is running what it should for what it is. I would not have been happy going home with a 14.6, lol.
Now I can move on to the next stage. I'll be getting and installing a Magnaflow cat-back, K&N CAI, airfoil (the Thunder Racing Kit), a 1LE elbow, Nitto drag radials, and Royal Purple oil. Then it will be back to the track and hopefully a 13.9 second pass unless the weather kills my performance.
I'll be holding off on the dyno until I get more hp mods than those listed above. At $100 a pop for 3 pulls on the dyno, the track is just more fun.
Tonight I got the final baseline for it at Lebanon Valley Dragway. I left the car untouched except for changing the oil (conventional oil) and setting the tire pressure to 45 psi front and 35 psi rear (changed to 30 psi after the second pass).
My first run I spun to a 14.79 @ 96 mph with a 2.40 60'.
Second pass was not much better with a 14.63 @ 96.5 mph with a 2.25 60'.
At this point I was beginning to think that maybe I just got a slug. I was pleasantly suprised with my final 2 passes.
14.33 @ 98.0 mph with a 2.20 60'
14.32 @ 97.5 mph with a 2.14 60'
Nothing earth shattering, but at least the car is running what it should for what it is. I would not have been happy going home with a 14.6, lol.
Now I can move on to the next stage. I'll be getting and installing a Magnaflow cat-back, K&N CAI, airfoil (the Thunder Racing Kit), a 1LE elbow, Nitto drag radials, and Royal Purple oil. Then it will be back to the track and hopefully a 13.9 second pass unless the weather kills my performance.
I'll be holding off on the dyno until I get more hp mods than those listed above. At $100 a pop for 3 pulls on the dyno, the track is just more fun.
The pro kit might hurt a bit, but I don't think much at the level I'm at. My 2.14 60' is right on par with my other stock LT1's, and my buddy who was there has a best of a 2.11 and he's taken his car a few times.
I figure the drag radials I have should be good for a 2.0 (I'd like a 1.9X, but the gears might hurt that until I get more power). That with the Thunder Racing basic mods kit should give me a setup capable of hitting 13.9's. Unless the weather kills me.
I figure the drag radials I have should be good for a 2.0 (I'd like a 1.9X, but the gears might hurt that until I get more power). That with the Thunder Racing basic mods kit should give me a setup capable of hitting 13.9's. Unless the weather kills me.
