GS - 2nd Gen (1998-2005) Discussion about the second generation GS300, GS400 and GS430 (1998 - 2005)

Took my GS4 to the track......

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Old 06-11-05, 03:17 PM
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liquidsilver
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Default Took my GS4 to the track......

Man, I'm somewhat upset about my times.

My best time was racing Dodge Magnum RT with lowered suspension and exhaust (and whatever that I couldn't see under the hood)

Magnum..................GS400Ltuned shock/springs
RT .0190......................0.341
60 2.307......................2.282
330 6.427......................6.329
1/8 9.724......................9.623
MPH 74.96......................75.14
1000 12.561..................12.452
1/4 14.934..................14.814
MPH 95.87....................95.90

Had the tires set at 33psi and the weather was around 30Celius (about 90degrees?) and very humid. Not very happy about this time at all. My worst time was 15.1 and all the runs were with TRAC off . I think I need to reduce the 60feet time......any tips? BTW the Hemi Magnums best time was 14.7

Last edited by liquidsilver; 06-11-05 at 03:20 PM.
Old 06-12-05, 12:48 AM
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GQD_GS4
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was the PWR button on? my best 1/4 mile time on 18" rims was 14.65...this run included my RT of .101. look at that magnum's RT of .0190, thats excellent! (and if the RT was even .190, thats still great.) if you can improve your Reaction Time, you will see improvements across the board. my worst 1/4 mile that day was 14.9
Old 06-12-05, 01:55 AM
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GoFaSSter
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I know I am new here, but reaction time only means that you get out first or the other guy does. Your 1/4 mi time starts after you break the lights. You could sit there for seven seconds and still turn the exact 14.65.
Old 06-12-05, 02:59 AM
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yoshi
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My Aristo V300 might be a bit different from your Lex GS, however, here is what I do :

Left foot on brake
Right foot on throttle
Traction control off
Engage in L gear

Build revs to 3000-4000 rpm, left foot on brake holding car.

Launch on lights!

Shift L to auto D mode and let the gearbox change gears for me.

Best time 14.1s with my boost up.
Old 06-12-05, 03:00 AM
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yoshi
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BTW, check some 1/4 mile movies at www.lexusvertex.com/movies.htm
Old 06-12-05, 07:42 AM
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liquidsilver
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Originally Posted by GoFaSSter
I know I am new here, but reaction time only means that you get out first or the other guy does. Your 1/4 mi time starts after you break the lights. You could sit there for seven seconds and still turn the exact 14.65.
Yeah, that's what I thought too. Can anyone confirmt this? One of my my reaction time was like .030 and I still ran 14.9.
Old 06-12-05, 07:52 AM
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LEXUS_KID
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Nice job
Old 06-12-05, 11:50 AM
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Chigga
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were you at Cayuga?

Don't worry about the time, this weekend is too humid, 14.8 is actually pretty good time for this weather.
Old 06-12-05, 12:24 PM
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liquidsilver
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Originally Posted by Chigga
were you at Cayuga?

Don't worry about the time, this weekend is too humid, 14.8 is actually pretty good time for this weather.
Yeap, Cayuga is the place. Perhaps you'd like to join next time?
Old 06-12-05, 01:47 PM
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GQD_GS4
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Originally Posted by GoFaSSter
I know I am new here, but reaction time only means that you get out first or the other guy does. Your 1/4 mi time starts after you break the lights. You could sit there for seven seconds and still turn the exact 14.65.

i never knew that! you learn something new here everyday! welcome to cl!
Old 06-12-05, 03:20 PM
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RRocket
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I go to St. Thomas often....wouldn't mind meeting some fellow CL members there...
Old 06-13-05, 10:06 AM
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Smile

Originally Posted by liquidsilver
Yeah, that's what I thought too. Can anyone confirmt this? One of my my reaction time was like .030 and I still ran 14.9.
I am new to CL but not new to drag racing. I have been around that for years. If you still need confirmation I am sure on of the other racers will step up.
Old 06-13-05, 03:28 PM
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ChipH
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Originally Posted by GoFaSSter
I know I am new here, but reaction time only means that you get out first or the other guy does. Your 1/4 mi time starts after you break the lights. You could sit there for seven seconds and still turn the exact 14.65.
This is correct. The timer does not start until you have allowed both starting line lights make contact with the photoreflective cells in your lane. So, you can actually pull in so far that the top set of bulbs turn back off. This is known as going "deep." If you pull into the staging lights, and turn the top set of bulbs on, then pull forward another 6-10 inches, the second set of bulbs will light up. Pull in another 6-10 inches, and the top set of bulbs will then go back off. This is "deep." Your reaction time will be better in this scenario, as you have a much shorter distance to roll forward to let the staging beam make contact with the cell, thereby starting the clock. However, your elapsed time will suffer because you will be that much closer to the finish line, and you will not have the opportunity to get a "running start" at the quarter mile, even if it is only 6-10 inches. However, be careful, as there is the possibility of redlighting, or leaving before the green light is activated. Reaction time never figures into the et.

Reaction time is the time that it takes from the illumination of the green bulb to the time that your car moves out of the second beam in the staging light sequence. Most tracks have converted to a format wherein a perfect light is .000. However, for tracks that have not converted to this format, the reaction time is the measure of time from the illumination of the bottom yellow bulb to the point at which your car moves out of the second beam. This, depending on the delay the tower has in the system, is usually .400 or .500 of a second. So, a perfect light on a .400 tree, is .400.

However, as an example, in a "heads up" race, assume the following: A car that can run ten seconds flat in the quarter is racing a car that can run the quarter in fifteen seconds. They both stage, and the lights drop. The car that runs the fifteen has a perfect reaction time, while the other driver sits (sleeping, presumably) for six seconds, then takes off. The slower car will cross the finish line, thereby tripping the beams, in exactly fifteen seconds. The faster car runs the quarter mile in ten seconds, so his ET will read 10.00, but because he sat so long at the starting line, the slower car will have crossed the finish line one second before the faster car. In this scenario of heads up racing, the slower car has won the race. In "bracket racing" the ET is taken into consideration, and the slower car will receive a green light before the faster car, and if everything is perfect, the two cars will cross the line at exactly the same time. However, due to inconsistency in reaction times, and car performace, there is a winner 9999 times out of 10,000.

Too much info, right?

Last edited by ChipH; 06-13-05 at 03:35 PM.
Old 06-14-05, 06:49 AM
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Chigga
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Originally Posted by RRocket
I go to St. Thomas often....wouldn't mind meeting some fellow CL members there...
hey, I think that's a good idea, I know few people off MaxBimmer may want to hit up either Cayuga or St. Thomas , and we can shut those 540 drivers up .

I may go this weekend with a friend, I want to see how his 540 go against my car.
Old 06-14-05, 08:02 AM
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liquidsilver
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Originally Posted by Chigga
hey, I think that's a good idea, I know few people off MaxBimmer may want to hit up either Cayuga or St. Thomas , and we can shut those 540 drivers up .

I may go this weekend with a friend, I want to see how his 540 go against my car.
I'll be at Cayuga this Friday as long as it doesn't rain. Test and tune.$20 bucks from 6pm til 11pm.
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