ok folks,

i'm from Finland and for sure my own ride is slow. but my very good friend went to a track and got times for his Corvette. he was able to run 15.1 with almost stock crossfire Corvette. i asked his 60' times and he was 2.5+. then i asked his reaction times, he laughed and said that you can stand on light for a minute if you like to since time start running after you've passed the line. so he simply put his car on D, push the gas pedal and adjusted the stereos. anyway, measuring 1/4 mile times in that way sounds fair for me.

so my question is: do you measure the car or the driver once you publish the times in here?


-P


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Pontiac Trans Am GTA'89

CC1 GW6 G80 JG1 L98 MXO N64 WS6 822

mods: firebird '89 four spoke steering wheel and i'm still not running low 13's yet!

 

I'd say driver and the car. Everyone drives a car differently, and every car is different, so I think you'd have to measure both, but you usually associate times with the car, if I had to pick one.

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'86 IROC 5-speed
305 LG4
edelbrock performer rpm intake
edelbrock 600 cfm carb
msd pro billet hei distributer
'95 3.23 rearend
hotchkis rear suspension
PST front polygraphite suspension
"speed kills. buy a f@&d, live forever."

 

Usually you'll measure by the car. But I would think a more experienced driver in a Corvette could knock off some time from the '60 ft. time and decrease the 1/4 time. Did he have traction issues, if so then just putting the car in drive and punching it isn't the way to go, you gotta learn to feather the throttle so you don't spin, because that seriously affects your time.

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'86 IROC
T-TOPS, TINTED WINDOWS, BRAKE LIGHT BLACKOUTS
GM GOODWRENCH 350
EDELBROCK TES HEADERS
3" Hooker CatBack w/Aero Chamber muffler
EDELBROCK 600CFM CARB.
KN AIRFILTER
ACCEL HEI DISTRIBUTOR
160* Stat
3:73 Posi
Rebuilt 700R4
B&M Megashifter, 5" Autometer Tach w/shift lite

 

actually he didn't have much traction problems since he's using ZR-1 wheels with 315mm wide tires...

anyway my point was more like od you measure your times in a same way? i mean it's just a car (and driver) not the reaction time included?

-P (having serious problems with traction, but mostly it turns out to look like lot of fun!)

 

Yes, on every drag strip in america your ET is based solely on when you leave the beams. You can sit there for 10 minutes if you like.
Further, i have never heard of anyone adding their RT to their ET when talking about what their car can do b/c it just doesn't matter (to the laymen, if you're class racing then the consistency of the chassis will affect how consistently it reacts which will affect consistency of RTs, and w/o RT consistency you aren't really gonna be competitive.) But outside chassis consistency, any car has the potential to cut a perfect light if you know when the right time to leave is.
...ed

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Ed Maher - Moderator @ The TPI & Carb Boards
92 Z28 Convertible - Quasar blue / Tan top
305 TPI A4 2.73 - 14.8 @ 93.1
Stock except ported plenum and dual cats
-=ICON Motorsports=-

- Definitely prototypes, high powered mutants of some kind. Too weird to live, too cool to die

 

Reaction time is the time it takes from breaking the guard beam to the start beam. When the start beam is tripped, the ET timer starts. If you break the start beam before the green light comes on you get a red light. The trick is to break the start beam thousands of a second after the green light comes on.

If test and tuning, as mentioned above, you can sit on the line for as long as you want. The timer won't start until you break the start beam. But in a bracket race RT means everything since the margin of victory also accounts for how much reaction time you have.

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Follow my racing progress on Stephen's racing page
and check out the race car

87 IROC-Z SuperPro ET Bracket Race Car
461 naturally aspirated Big Block (times are for the current engine)

Best ET on a time slip: 11.447 altitude corrected to 10.99
Best MPH on a time slip: 119.42 altitude corrected to 124.86
Altitude corrected rear wheel HP: 493
Best 60 foot: 1.586

Racing at 3500 feet elevation with a typical race day over 5000 feet density altitude!
Member of the Calgary Drag Racing Association

87 IROC bracket car, 91 454SS daily driver, 95 Homebuilt Harley