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Any Drag Racining Experts? Have A Question....

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Any Drag Racining Experts? Have A Question....

Old 08-20-2019, 08:41 PM
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Default Any Drag Racining Experts? Have A Question....

I have been a Gearhead all my life. Love cars, mostly motorcycles. Drag race motorcycles, mostly dirt bikes off road, Motocross, some track days on the Road Course.

I have a question that I cannot possibly understand an answer to. The pro stock cars pull their chutes well before the Finish Line they are almost deployed before they cross the finish line yet and nitro cars are running a hundred and thirty miles an hour faster and they don't deploy their shoots before the Finish Line I don't get it. Why would you pull your shoot before the Finish Line in a pro stock car when there is no problem with the length of the track. Some of these cars are borderline on their chutes opening before they get to the finish line. This is only prostock not Nitro cars. Someone please explain this to me
Old 08-20-2019, 09:30 PM
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No idea. I’ll ask my Aunt who races jet dragsters and get back to ya
Old 08-20-2019, 10:04 PM
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The theory behind pulling the chutes just before the finish line is that that last little bit of "umphh" can possibly be used to help propel the car just a tiny bit more. Prostock is one of the tightest classes in drag racing.
Old 08-20-2019, 10:28 PM
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Pro stock drivers are just along for the ride on the top end and the driver has his/her hand up on the chute release waiting for the finish line. On a PS car you want to drive into the chute meaning; you want the car to be accelerating when the chutes deploy helps settle the car. Fuel car drivers have both hands on the wheel till the last second so they lift, kill the fuel and hit the chutes in that order.
Old 08-21-2019, 05:10 AM
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Makes sense. Now what is a “Hole Shot” ? I hear it all the time but no clue what it means
Old 08-21-2019, 05:15 AM
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Originally Posted by blowncar View Post
Pro stock drivers are just along for the ride on the top end and the driver has his/her hand up on the chute release waiting for the finish line. On a PS car you want to drive into the chute meaning; you want the car to be accelerating when the chutes deploy helps settle the car. Fuel car drivers have both hands on the wheel till the last second so they lift, kill the fuel and hit the chutes in that order.


Thanks


Makes a lot of sense. Have wondered same thing many times
Old 08-21-2019, 05:17 AM
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Originally Posted by fireisland1 View Post
Makes sense. Now what is a “Hole Shot” ? I hear it all the time but no clue what it means
......wow
Old 08-21-2019, 05:23 AM
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Early deployment can also intentionally scrub off a few miles per hour. Once the win is ensured deploying the chute makes my 250 mph car a 245 mph run leaving the reality a guess for the completion. In stock classes and street classes you will often see the brake lights flash at the top end.
Old 08-21-2019, 05:27 AM
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Originally Posted by fireisland1 View Post
Makes sense. Now what is a “Hole Shot” ? I hear it all the time but no clue what it means
When the light turns green the time, "ET" doesn't start for the individual car till it's front wheel moves forward breaking the timing light beam and starting the timer. The driver who can best anticipate the light turning green, let go of the trans brake and get the car moving forward and breaking the beam closes to when the light turns green (we are talking thousands of a second) has the advantage over the other car. A example would be if you have a slower car than your opponent, you cut the light - hole shot - before him, remember his time does not start till his front wheel cuts the beam and leaves after you so he actually runs a faster ET because he has the faster car and still loose the race to the finish line. Anticipate the the green light to soon and you red light and loose the race at the starting line.
Old 08-21-2019, 05:35 AM
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Hence the old adage; if you saw green, you lost.
Old 08-21-2019, 05:46 AM
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Driven both but alky and I can answer that for you. You being a bike racer know there is a hell of a lot of difference in a 10 second ver a 8 second car. Now drop that on down to pro stock ver a funny car. Almost half the time.... You can't take your hands off the wheel of a funny car. Your fighting that thing all the way down the track and remember the times. High 6s ver low 3s. . Shorter wheel bace, ver the 300 and 315 inch top fuel dragsters. You have to understand the concept. My pinto back in the 70s. That thing was a bear to keep straight and it was full chassie race car. . the 245 inch Mike Bos rail I have now I can eat a ham sandwitch at 150mph in the 1/8th Think about it. 320 mph on a short wheel base motor in the front and low 3 seconds. . You blink your there . You never breath the whole entire 3 seconds either. Its that quick. Theres your answer.

Last edited by liveaboard74; 08-21-2019 at 05:52 AM.
Old 08-21-2019, 05:48 AM
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Originally Posted by PF-88 View Post
When the light turns green the time, "ET" doesn't start for the individual car till it's front wheel moves forward breaking the timing light beam and starting the timer. The driver who can best anticipate the light turning green, let go of the trans brake and get the car moving forward and breaking the beam closes to when the light turns green (we are talking thousands of a second) has the advantage over the other car. A example would be if you have a slower car than your opponent, you cut the light - hole shot - before him, remember his time does not start till his front wheel cuts the beam and leaves after you so he actually runs a faster ET because he has the faster car and still loose the race to the finish line. Anticipate the the green light to soon and you red light and loose the race at the starting line.
Bracket racing......awful
Old 08-21-2019, 06:13 AM
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Originally Posted by Lprizman View Post
Bracket racing......awful
Grandfather loved speed and hald a little money back in the early 70s. Grandma would not let him race. he was the provider. Ask me at 15.and a half If i wanted to drive a race car. He bought a car from a man he knew agreement was the guy would help us out with the tuning of the chassie and grandfather woud pay his way to the beach and back and night.
third race I got in one of the leaders way. he put me in the wall. By the 7th race I had that car figured out and dialed in . Guess who got in my way. They banned us for 3 races not because it was a bad hit, because he was one of the local favorite and there is politics in round track. . We ran late model. Never seen my grandfather so mad in his life. he had, had enough.

In bracket racing, money does not win. The driver wins. Those of us that are in it,, love it. If you get beat or cross that line, you know your out. Has nothing to do with your reputation or being a leader at a drag strip. At the end of the day, the best driver that day wins. its that simple.
I don't have as much HP as most that have dragster but I have a super light class dragster built for a small block and the 8;90 class. I run a big block dart all alumian motor. Rail , wet is 1286 pounds. Have friends that have 50,000 dollar motors that weigh over 2000 pounds. My Dart , 498 runs right with them and I put my share in the trailer.
You have to think in bracket racing. From the stands ya I suppose it sucks. When your gauging weather wind, humity, and like me lucky enough to have a weather station that pages me ,, NO SHIT, its all about knowledge and who is on their game on that day.
you have to be in it to understand it, and once you have that computer figured out, you know the meaning of feeling every one one hundreth of a second.
Its the awesome concentration that drives those of us that love bracket racing, cause its 500 more things to think about than just lining up and mashing the gas when you have the most money. Bracket lets the little guy run with the biggest and baddest. Like guns. Size don't matter in a fight its whos the best shot and got their shit together. LOL

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Last edited by liveaboard74; 08-21-2019 at 06:22 AM.
Old 08-21-2019, 06:34 AM
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I always figured the early chute was a FU to the guy behind them.
Old 08-21-2019, 06:35 AM
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Nitro cars run as fast as they can becauce they are evenly matched for top end speed.pro comp run a dial your own ET and usually run knowingly faster than their ET and use the chute to slow down just before the finish so they don’t break out.
Old 08-21-2019, 06:40 AM
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The ideal bracket car is a 4 cylinder slushbox which turns identical times every time you floor it. No tire spin, no driver error..just consistent17 second runs.
Old 08-21-2019, 06:55 AM
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Pro stock chassis is set up to handle well under power - the get real squirrely and lo0se when you lift - hence "driving in to the chute" - with the chute puling the cars are manageable while under braking.
Old 08-21-2019, 07:02 AM
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AA/F cars are/were the fastest race cars being raced. A F1 car at 180 mph could pass a dragster on the line, and the dragster would catch it a 1/4 mile. Dragster engine would only turn about 600 total revolutions.
Old 08-21-2019, 08:13 AM
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"Hole Shot" - When you go so fast that it leaves skid marks (in your shorts).
Old 08-21-2019, 09:56 AM
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Originally Posted by Fish Haid View Post
"Hole Shot" - When you go so fast that it leaves skid marks (in your shorts).
I've done mid 7"s in a 1/4 mile and I never had skid marks in my briefs. I guess that means I can hold my shit together.

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