Help me with Track Times?

steedamustang01 · 10-04-2002, 12:56 PM

I'm a total amature when it comes to the track. I don't really know much about it at all expect for the 1/4 time. So if someone would please help me and explain what the 60 ft. time is ... what is it, what is good, what is bad, ... also the reaction time, ... what is it ... what is good, what is bad, ... and the light time... or is that the same thing as the reaction time? Someone please explain all of this for me. Thanks!!!

Tim Lester · 10-04-2002, 07:49 PM

The Reaction Time(R/T) is the time from when the last yellow bulb on the tree goes out and the driver begins to move down the track (or activate the timing system). For example, in our E.T. bracket classes, the tree flashes the yellow lights for 5/10th's of a second before turning green. A perfect reaction time, therefore would be a .500, meaning that 5/10th's of a second after the yellow went out, the driver took off. The higher the number the slower the reaction time for the driver. For instance a driver with a reaction time of .600 would be a tenth of a second slower on the starting line than a driver with the aforementioned .500. One thing that should be noted is the fact that the actual time for a quarter-mile run includes the reaction time plus the actual time on the track.

The 60FT time tells you how long it takes from the starting line to 60FT out on the drag strip.

Rev · 10-04-2002, 09:33 PM

The ET does not include the RT. You could lose with a lower ET if the other guy got you asleep at the tree. The win would include ET+RT for both drivers. But RT is not included in ET. Hope this makes sense.

Rev

10-04-2002, 12:56 PM	#1
steedamustang01 Registered Member Join Date: Jan 2002 Location: Florence, KY Posts: 120	Help me with Track Times? I'm a total amature when it comes to the track. I don't really know much about it at all expect for the 1/4 time. So if someone would please help me and explain what the 60 ft. time is ... what is it, what is good, what is bad, ... also the reaction time, ... what is it ... what is good, what is bad, ... and the light time... or is that the same thing as the reaction time? Someone please explain all of this for me. Thanks!!! __________________ MODS: - Painted Side Mirrors, Straight Pipes, K&N Filtercharger, Modified Air Silencer, Steeda Tremex 3650 Short Throw Tri-Ax Shifter, Saleen MOMO Shifter, Custom Painted Interior, Modified Saleen Racecraft Progressive Sport Springs SLAMMED 3 1/2 inches, Saleen S-281 Wing, Saleen chrome wheels 18x9 front and 18x10 rear, Saleen Locking Lugs, 265-35-ZR18 Toyo Proxes T1-S's, White Face Indiglo Gauges, 9007 Silver Star HID Headlights, Personalized Licence Plate " 2L8 I 1 " (To Late I Won), Chrome Bumper Decal inserts, Lowered Windshield Wiper MOD, MAC Offset rack bushings, 5% Limo Window Tint.

10-04-2002, 07:49 PM	#2
Tim Lester Registered Member Join Date: May 2002 Location: IL Posts: 32	The Reaction Time(R/T) is the time from when the last yellow bulb on the tree goes out and the driver begins to move down the track (or activate the timing system). For example, in our E.T. bracket classes, the tree flashes the yellow lights for 5/10th's of a second before turning green. A perfect reaction time, therefore would be a .500, meaning that 5/10th's of a second after the yellow went out, the driver took off. The higher the number the slower the reaction time for the driver. For instance a driver with a reaction time of .600 would be a tenth of a second slower on the starting line than a driver with the aforementioned .500. One thing that should be noted is the fact that the actual time for a quarter-mile run includes the reaction time plus the actual time on the track. The 60FT time tells you how long it takes from the starting line to 60FT out on the drag strip. __________________ 1999 Mustang Cobra Solid Axle w/ 4.56's Magnaflow Cat-Back Dr.Gas O/R X-Pipe JBA 1-5/8ths Shorty Headers Homemade Powerpipe March Pulleys JMS Chip Steeda Tri-Ax Shifter Best E.T. w/ parts listed & BFG 275/40/17 D/Rs (10-26-'02; not including JMS Chip)- 12.95 @106.82, 1.79 60FT. Best MPH- 107.43 New Best MPH (4-26-03)- 109.45 316 RWHP/ 309 RWTQ

10-04-2002, 09:33 PM	#3
Rev Registered Member Join Date: Nov 1998 Location: Houston, Tx. Posts: 3,887	No RT in ET The ET does not include the RT. You could lose with a lower ET if the other guy got you asleep at the tree. The win would include ET+RT for both drivers. But RT is not included in ET. Hope this makes sense. Rev __________________ '66 Coupe, 306, 350-375 HP, C-4, 13.07 e.t., 104.8 mph, 1/4 mi. O.B.C. #2 '66 coupe

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