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: the lauch control would be a great asset to an auto that drag races because you can set the launch rpm right below the converters stall speed, floor the car and just watch the lights, and when the last yellow comes on, just lift the brake and off you go. The problem is it takes at least 3000rpm or so to make boost with the launch control. And I believe that most stall converters are lower than 3000rpm. Even 3000rpm would only give you like 0.5-1 psi of boost, so the powerbraking method of building boost on an automatic is superior I think. If you had a modified car with like a 3000-4000rpm stall converter, than you what you're saying would be very true. I could be wrong though... I don't have an automatic, so my numbers could be off. Plus my turbos are bigger than stock, so maybe stock turbos would make significantly more boost with the launch control set at low rpms. :-) : BTW bernie have you taken your car to the track with the tc yet, and if you have what was your best 60 ft, I want to know if it is capable of cutting a 1.45-1.5.
I've only been out to the track once since I got everything set up and broken in. With the traction control OFF, I could only manage a 13.3s 1/4 mile due to massive wheelspin and super bad launches (2.4-2.5 60' time). My car is really hard to launch due to the triple disc on/off clutch.
BUT, with the traction control ON, I nailed a 12.2s 1/4 mile and a 2.0 60' time, so it knocked 1.1 seconds off my 1/4 mile time and 0.5 seconds off my 60' time. People that don't have such an insane clutch can manage 1.7-1.8s 60' times on street tires using the launch control (like Orion has). However, I don't think a 1.45-1.5s 60' is possible without the use of slicks.
Bernie GROUP BUY FOR RACELOGIC SYSTEMS GOING ON NOW! DEADLINE IS OCT.1 !!
Authorized sales rep for...
Datalogs every run... launches with boost in your 5-speed...
keeps turbos spooled between shifts... enables controlled power slides...
valet mode prevents abuse of your Z... unlike most factory systems, maximizes acceleration!
For more information, pricing, or to purchase a system,
feel free to e-mail me: bhsiao@newssun.med.miami.edu
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