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

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Old 09-10-2012, 04:31 PM   #1
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Bad 60' times :( what am i doing wrong? videos

hey everyone. just curious on some of the techniques you guys are using to get some good 60' times. so far ive been getting on average between 2.3-2.7 60' which IMO is keeping me in the low 13's. my best ET was 13.24 @ 112mph. I cant seem to nail down a good 60'. ive tried launch control, turning off all driving aids even drag radials. My mods so far are CAI, adm scoop, JBA short headers, JBA high flow cats, x-pipe, muffler delete and an ACT dual disc clutch and light weight flywheel. LS3 with stock tune dynoed at 414 whp, 403trq. My traps are pretty good averaging from 111-113. I have vids if that will help any.
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Old 09-10-2012, 06:25 PM   #2
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13.24 @112mph 60'=2.341 all driving asst off. tires 295 BFG's street tires


13.38 @ 111mph 60'=2.361 all driving asst off. Tires 295 BFG's street tires


13.36 @109mph 60'=2.429 all driving asst off. Tires 305 NITTO NT-555r DR's


13.34 @111mph 60'=2.423 Launch control used. Tires 315 NITTO NT-05
second part 13.80 @113mph 60'=2.727 all driving asst off had major wheel hop







so what am i doing wrong 1320 guru's
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Old 09-10-2012, 08:07 PM   #3
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the wheel hop is from dumping it at to high rpm, the bog is to low rpm, try 2700 rpm let it spin, as soon as the spin starts to let off...step smartly on the gas pedal. put your left hand on the wheel (i perfer 8:00) and keep it there, keep your right hand onthe gear shifter and keep it there. Your useing different tires and they all bite different... nto5r's need lots of heet. do a second gear burn-out and get some smoke rolling. nittos on these heavy cars like 18-19psi... good luck I'm sure you'll get lots of responces and everthing i said will be wrong... so use your best judgement.
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Old 09-10-2012, 08:13 PM   #4
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looks like your having fun, i always like catching and passing other cars, your hooked and you will be at the track more and more... talk to other guys running sticks and ask them... as long as you don't sound ****y or like an ahole most other racers are willing to help you out. I just had a 60 year old women giving me advice last weekend... and she knew what she was talking about!
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Old 09-10-2012, 08:39 PM   #5
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thanks for the reply so far the NITTO's im running are the NT05 non DR's so i wasnt sure of letting out air on those was a good idea being they are more for road course. I read the 60' time thread and i dont know how some of those guys are getting great 60's with the stock pirelli's. I was hoping using launch control would shave off a decent amount time but didnt look like it. so far i have 13 time slips and im pretty consistent in my times. Id like to hit high 12's. My trap so far suggest its possible maybe?
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Old 09-10-2012, 09:04 PM   #6
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guys are dropping the pirelli's down to 18-24psi , try 18-19psi in the nittos after you run check the tires with your hands and if the center feels hotter then the shoulders let more air out, if the shoulders are hotter than the centers add more air. (Lazer thermometers work great) since they are not dr's you may have to smoke them a littlle more. your burn outs should be sitting still, not rolling, and keep your rpms up and steady, go till you see good smoke, than if it sticks increasse your rpms on the next one, if it spins to much lower your rpms.... does your dad know your running his car on friday nights? LOL
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Old 09-10-2012, 09:47 PM   #7
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I'm 33. Ordered the car july 2009, took delivery Sept 2009. Been paying it off since....
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Old 09-10-2012, 10:15 PM   #8
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Kind of an odd attempt at humor... seems like some sound advice on the topic though, might be worth a shot.
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Old 09-10-2012, 10:16 PM   #9
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i hear ya...must have been the lighting in your video, made you look younger. haha
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Old 09-11-2012, 08:29 AM   #10
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well i guess being filipino has its perks
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Old 09-11-2012, 08:59 AM   #11
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Im in the same boat as you except Im 56 and just learning. Go to www.rangeracceleration.com. He is the master with manual trans at the strip. Im at 13.027 at an unprepared strip and spinning thru 1st and 2nd.
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Old 09-11-2012, 11:57 AM   #12
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Where to begin?

First off, I completely disagree with dropping your tire pressure as low as has been suggested. Pirrelli's are a street tire and are made to work best at a certain psi and temp. Taking too much air out will cause the tire to cup and make traction even worse. My 1.77 60' time was on stock Pirelli's at 32 lbs, with a very small burnout(no smoke).

Secondly, I didn't see any mention about how long you have been drag racing or how many passes you have. Most of the people on the 60' list have a lot of seat time and have made a bunch of passes. It takes time to learn how to properly launch a M6. Like stated in a previous post, check out the rangeracceleration site, it has a bunch of good videos. Find what works best for you and fine tune it.

Thirdly, it may not be just you. Track prep plays a huge factor in a good 60' time. Find another car at the track that is similar to your setup and see what they're getting. If they are cutting sub 2.0 60' times, then you should be able to do the same. If the track is crap, It'll be crap for everyone.

With good air, good track prep and a good launch, your car should run well into the 12's. It just takes a lot of practice. A LOT.
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Old 09-11-2012, 12:21 PM   #13
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Here is what I try to do and it has been pretty successful for me.

1) clutch in
2) feed throttle to desired launch rpm (actual rpm varies based on track, power, tires, trial/error etc.)
3) I release the clutch quickly, I don't side step or feather it
4) I hold that same throttle position until I feel the tires grab. Then and only then do I add more throttle. Even then I don't stomp on the throttle.

A lot of people in their excitment will hammer the throttle at launch, and this will often only add to the traction problems. It takes some muscle discipline to hold the throttle and only go WOT only after the tires are hooked.

I've found it is better to maintain 3/4 throttle with traction, than WOT and spin.
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Old 09-11-2012, 01:03 PM   #14
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Quote:
Originally Posted by blufin View Post
Where to begin?

First off, I completely disagree with dropping your tire pressure as low as has been suggested. Pirrelli's are a street tire and are made to work best at a certain psi and temp. Taking too much air out will cause the tire to cup and make traction even worse. My 1.77 60' time was on stock Pirelli's at 32 lbs, with a very small burnout(no smoke).

Secondly, I didn't see any mention about how long you have been drag racing or how many passes you have. Most of the people on the 60' list have a lot of seat time and have made a bunch of passes. It takes time to learn how to properly launch a M6. Like stated in a previous post, check out the rangeracceleration site, it has a bunch of good videos. Find what works best for you and fine tune it.

Thirdly, it may not be just you. Track prep plays a huge factor in a good 60' time. Find another car at the track that is similar to your setup and see what they're getting. If they are cutting sub 2.0 60' times, then you should be able to do the same. If the track is crap, It'll be crap for everyone.

With good air, good track prep and a good launch, your car should run well into the 12's. It just takes a lot of practice. A LOT.
I'm thinking it may be this. My A6 ought to do most of my launching for me, and my 60 is still crap. Charles has bit of experience and plenty of power, and still not turning good numbers...

And Ryan- your pass against Taylor at Firebird is still your standing best, correct?
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Old 09-11-2012, 01:23 PM   #15
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Quote:
Originally Posted by Rock36 View Post
Here is what I try to do and it has been pretty successful for me.

1) clutch in
2) feed throttle to desired launch rpm (actual rpm varies based on track, power, tires, trial/error etc.)
3) I release the clutch quickly, I don't side step or feather it
4) I hold that same throttle position until I feel the tires grab. Then and only then do I add more throttle. Even then I don't stomp on the throttle.

A lot of people in their excitment will hammer the throttle at launch, and this will often only add to the traction problems. It takes some muscle discipline to hold the throttle and only go WOT only after the tires are hooked.

I've found it is better to maintain 3/4 throttle with traction, than WOT and spin.
Good tips - how are you holding your line or preventing roll control here? That's been tricky for me....
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Old 09-11-2012, 02:03 PM   #16
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Good tips - how are you holding your line or preventing roll control here? That's been tricky for me....
Do you mean the car is rolling after you stage and the clutch is in?

I race at three different locations here in Germany and at one track I've experienced my car rolling backwards when I sit there with the clutch in.

I really don't have a good solution for that when it happens, because it doesn't happen to me that often.

What I try to do is hold the clutch and the brake once I'm staged. When the first yellow light on the tree lights up I will release the brake and attempt to get some rpm before the third yellow and I have to launch. That way the car doesn't have enough time to really roll that far, but that has always had mixed results.
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Old 09-11-2012, 02:04 PM   #17
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From the videos, it sounds like you're hitting the clutch way too hard. Should be feathered out quickly for best grip.
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Old 09-11-2012, 04:55 PM   #18
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Quote:
Originally Posted by Revo1 View Post
I'm thinking it may be this. My A6 ought to do most of my launching for me, and my 60 is still crap. Charles has bit of experience and plenty of power, and still not turning good numbers...

And Ryan- your pass against Taylor at Firebird is still your standing best, correct?
no it was against allen brotha (top vid). My worst was against Taylor LOL. Ive done drag racing before but this is the first time ive gone consistantly. I raced my supra TT and that got me 12's but it was an auto, and my MR2 turbo saw high 13's but that being mid engine made it easy to launch as well. also this is the first time ive race at famoso. So i think i may have to give sac raceway a shot. seems our whole group has been having bad 60's at famoso.

thanks for all the TIPS guys keep it up
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Old 09-11-2012, 06:06 PM   #19
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no it was against allen brotha (top vid). My worst was against Taylor LOL. Ive done drag racing before but this is the first time ive gone consistantly. I raced my supra TT and that got me 12's but it was an auto, and my MR2 turbo saw high 13's but that being mid engine made it easy to launch as well. also this is the first time ive race at famoso. So i think i may have to give sac raceway a shot. seems our whole group has been having bad 60's at famoso.

thanks for all the TIPS guys keep it up
I'm not sayin you're not experienced brotha

Just saying that Charles also has good power, has done it before, and is still struggling with his ETs at Famoso

Let me know if you head up to Sac
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Old 09-11-2012, 07:52 PM   #20
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Yeah let me know too I would love to drive to sac and run out there for the day
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Old 09-11-2012, 08:16 PM   #21
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I'm not sayin you're not experienced broths

Just saying that Charles also has good power, has done it before, and is still struggling with his ETs at Famoso

Let me know if you head up to Sac
wasnt directed to mang. my bad
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Old 09-11-2012, 10:49 PM   #22
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wasnt directed to mang. my bad
IAG

LOL, experienced broths!
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Old 09-13-2012, 10:32 AM   #23
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Many have giving you some great tips.I feel you will never have as good of a sixty becuase of your lighter flywheel,its a big no no for cars this heavy.Your going to have to keep the rpms up becuase of the lite flywheel but that will make it easier to spin,your going to have to practice alot with that combo but it will make you a great driver lol..Good Luck
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