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Dragstrip and Launch Techniques Discussion 1/4 mile, 1/8 mile, launch discussions.

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Old 09-10-2013, 10:17 PM   #26
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Excellent post. Good refresher for those who have never done a drag race or hasn't been to the track in a long time (like myself). For those with autos, what do most favor to turn off in terms of the nannies to get the best times?
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Old 09-10-2013, 10:18 PM   #27
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Oh, forgot... any tips on RPM's for a good launch on stock tires?
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Old 09-10-2013, 10:19 PM   #28
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The last pass I made was in 1979... And at NEW ENGLAND DRAGWAY they had Wednesday nite grudge racing...it was 2.00 to race as many times as you could...that's no typo 2 bucks !!! What does it cost nowa days ???
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Old 09-11-2013, 06:08 AM   #29
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Quote:
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The last pass I made was in 1979... And at NEW ENGLAND DRAGWAY they had Wednesday nite grudge racing...it was 2.00 to race as many times as you could...that's no typo 2 bucks !!! What does it cost nowa days ???
Most test and tune sessions can run from $15-$25. Every once in awhile you will find a track doing a special.
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Old 09-11-2013, 06:27 AM   #30
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I would include the definition of a driver mod, as that term gets thrown around quite often. And also what the DA of the track is. Newbs need to know too!
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Old 09-11-2013, 06:33 AM   #31
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Courtesy Staging - (except deep staging) - After your burnout, roll up to the line, light one bulb on the tree. Do not light the second bulb until the car in the other lane has at least lit one bulb. They can roll in and light both bulbs if you already have one lit but nobody should light both bulbs until the other car has one lit. Note: Deep stage cars should abide by the same rule. However, I have seen instances when the deep stage car will quickly get in and light the second bulb. Note: Once a driver lights both bulbs, the other driver typically has 10 seconds to stage.

Roll-out - is the time from when the driver initiates the leave until the car physically leaves the starting line that starts the Elapsed Time (E.T.) clock. This could and should effect how you stage and leave the line. I will not dispose all the technical components of this, but a Heads/Cam Camaro on 20" drag radials will have roughly .42-.50 roll-out.

Note: Jamie makes a great point above because he runs a smaller tire with more power, it does benefit him to shallow stage. Why? Because his rollout is probably in the .30 to .35 range. If his instincts are to leave on the third yellow, it will prevent him from red lighting. Most NHRA drivers will typically shallow stage. No, I am not saying Jamie is an NHRA driver, but his car rolls out like a typical NHRA car.
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Old 09-11-2013, 06:41 AM   #32
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Driver Mod - The act of repeatedly slapping yourself in the head for doing stupid stuff at the track (slow r/t, red lighting, bad burnout, out of the groove, running too fast, running too slow, improper shifting, left the nannies on, etc.).

Driver Mod 2 - A driver needs to lose weight to make the car run faster.

I will leave DA to the experts and those with time on their hands.
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Old 09-11-2013, 07:00 AM   #33
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Well you kids can't complain about slow cars these days....performance is back and doing well !! Back in 78-79 I ran a 1957 Chevy Station Wagon.. 12.69 @ 108.88. Drove it to the track and drove it home...Not bad for the Day...a 12 second street car was fast back then....heck ...Jungle Jim just broke the 200 mph barrier in Top Fuel 75-76 !!!!
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Old 09-11-2013, 10:25 AM   #34
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Old 09-11-2013, 08:48 PM   #35
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How perfect is this?!?!?!?

I am doing my first 1/4 mile on saturday.... this thread will provide me confidence!
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Old 09-11-2013, 08:59 PM   #36
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Fantastic job guys, best write up I have ever seen on this subject.
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Old 09-12-2013, 06:09 AM   #37
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I am sure some of this was covered above, but bullets might make this easier.

Note: Most tracks today have websites and general instructions and track rules on them. A good rule of thumb is to review these prior to heading to the track.

Dragstrip Etiquette:
1. Don't start your burnout until directed by an official. He'll usually give you some sort of hand signal. Also make sure you are all the way on the track and facing directly forwards.
2. Don't do burnouts in the water with treaded street tires. Water gets into the treads and tracks all the way to the starting line. Do not drive through the water box with front street tires. Drive around the water box and back into the water box. This makes the drivers with slicks very angry.
3. Don't do a John Force-style burnout (i.e. spinning the tires through and past the starting line, forcing you to back up) unless you don't have any front brakes and/or you are John Force.
4. Be sure you leave plenty of room to brake at the end of the track without doing a massive ABS stop. Locking 'em up at this speed could be very dangerous. Most tracks have two turn off areas. If you miss the first one, proceed to the second one.
5. Some tracks employ a courtesy rule. This means that the first car into the staging beams should light only the pre-stage light. When the second car is is pre-staged, then either of you can move up slightly into the staging lights.
6. Make sure your numbers and dial-in (if applicable) are visible from the tower. General height is 3-5 inches.
7. Make sure you get in the right staging lane, and make sure that you don't attempt to run in a class where your car would not be appropriate. Ask if you are unsure.

8. Always follow instructions from all track officials and listen closely to any PA announcements. This will prevent you from getting confused or worse yet getting kicked off the track. Most tracks have radio stations in the event you cannot hear the PA.
9. If you are still unsure what to do, either ask a fellow driver or a track official. All of us have been in the same position at one time or another and most people are glad to help.

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Old 09-12-2013, 06:20 AM   #38
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Bottom End/Low End - First half of the race track

Top End - Last half of the race track

Footbrake - Term used in bracket racing. Generally, the car slows down before the finish line to avoid breaking out and run their index/dial-in. Note: Jumping on the brakes at the finish line can be dangerous.

Sandbagging - Term used in bracket racing. Placing a dial in on the car that is slower than what the car is capable of running. Example: Car runs consistent 11.0 in qualifying, but the driver decides to dial in at 11.20. Why? Track conditions, weather conditions, good at footbraking, slow reaction time, etc.

At the Stripe - Beating or losing to a fellow competitor just at the finish line.
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Old 09-12-2013, 07:41 AM   #39
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Watch my video from testing at Mooresville if you want to see one.
The track guys wanted me to do one.
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Old 09-12-2013, 08:34 AM   #40
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haha good info guys. Updated the original post. Keep em coming!
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Old 09-12-2013, 11:32 AM   #41
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So the forum is finally back up?

I'll go back into the first post and make some changes.

Do you guys have pics featuring Camaros we can use? Please if you guys race this weekend can you take a pic we can use like for Tech, the Groove, Water box, stuff like that.
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Old 09-12-2013, 12:31 PM   #42
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Weather permitting I'm going tomorrow. Will take a pic of tech sheet and whatever else I can.
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Old 09-12-2013, 01:03 PM   #43
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Quote:
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There's really no reason for any of us to deep stage. Its closer to red lighting and you cant get any momentum. Stage shallow and you'll have some team already built up when you trip the lights. Better 60'd and lower ET's.
I agree, I was just going over it so they knew what it is and the purpose of it. Personally I do it like you and stage as shallow as possible no matter what racing I'm doing.

If I would have thought about it I would have taken some pictures yesterday while I was at the track.
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Old 09-12-2013, 01:47 PM   #44
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Made some more changes, thanks for everyone's suggestions.

Would you guys prefer if I kept to the paragraph narrative style, or would you like to see more of the content in bullet form?

Grabbed some of Tim E's pics, would love a Tech Inspection pic and a better staging lanes pic for sure.
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Last edited by Pro Stock John; 09-12-2013 at 02:06 PM.
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Old 09-12-2013, 02:08 PM   #45
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Hmm should we re-title the thread, or should I re-title the picture?
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Old 09-12-2013, 02:14 PM   #46
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I think the thread would benefit with two posts covering:

INDEX RACING
BRACKET RACING
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Old 09-12-2013, 02:26 PM   #47
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PICS

LAUNCH SQUAT N LIFT
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Old 09-12-2013, 02:37 PM   #48
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Quote:
Originally Posted by Pro Stock John View Post
I think the thread would benefit with two posts covering:

INDEX RACING
BRACKET RACING
I will add this to the 3rd post and organize it that way.

Love how this is coming together!
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Old 09-12-2013, 02:49 PM   #49
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I noticed that you used a pic from Mission Racway Park in your thread. That's my home track, but that's not the return road it is the road for tow vehicles to to get to the top end.

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Old 09-12-2013, 03:13 PM   #50
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Changed/ added a bunch of pics, a lot of those work great Tim. I don't want to use the NMCA pic of tech line while I'm friends with those guys it would be better to use our own. The first pic for example I shot of the Livernois car.

I'm happy to add more pics and videos that illustrate making a pass.

Merc, good to know, I actually would love a pic of a Camaro making it's way down the return road.

I am not sure I wrote anything particularly useful about launch control in the first post, I'm not sure how it works, so if anyone thinks it needs more work please share your description of it and why you do or don't like it.
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