Understood... I just know I get consistently worse off the line as night goes on.
Do you do a burnout prior to racing?
1/4 mile times with slip
- Thread starter MS3077
- Start date
Understood... I just know I get consistently worse off the line as night goes on.
Do you do a burnout prior to racing?
jw.
fostersafb
Member
- :
- 2009 Mazdaspeed3 GT MGM
Even with the super low treadwear of 140 our stock tires have? I realize that most street tires wouldnt benefit from a burnout but with the oe tires being so soft couldnt you heat them up with a good burn out? For argument sake pretend that nobody cares about wearing their tires out and the only goal is traction. (thumb)
FMOS Racing
Member
- :
- 2008 MS3, plus a pickup and a beater car
Performance radial tires are designed to shed heat, drag tires (even drag radials) are designed to hold it. Heating up a performance tire is counterproductive because they tend to get "greasey" when hot and they don't stay hot for very long.
On the stock tires I go around the water, pop the clutch just to get a little spin in order to clean the tires, and stage. On drag tires, I give them a zip in the water, pull forward a few feet, set the ebrake, drop the clutch in second and let them smoke a little and then gradually release the e-brake.
On the stock tires I go around the water, pop the clutch just to get a little spin in order to clean the tires, and stage. On drag tires, I give them a zip in the water, pull forward a few feet, set the ebrake, drop the clutch in second and let them smoke a little and then gradually release the e-brake.
Have any of you folks put your timeslips up on www. dragtimes? it kinda cool and there are a couple familiar names at the top of the list. You folks with track exp. have been very helpful to us new to the track. Thanks for the detailed explanations. Now we just need some new timeslips. They are calling for snow again next week! wt heck?
FMOS Racing
Member
- :
- 2008 MS3, plus a pickup and a beater car
I went back today, only got to make 3 passes, but my best was a 13.15@105, which is my second-best pass in the car. I had just filled up with gas last night because I didn't expect to go to the track Without that extra 100-odd lbs I may have had a new personal best. Next time!
I had a pair of 1.90 60's bracketing a 2.00, so I think I'm getting the new tires sorted out.
By the way, I would not recommend doing the "rock the steering" thing that some FWDs do while doing a burnout. The LSD does NOT like it at all. It makes some very scary noises.
[Edit] From the IRP/ORP Flickr page. http://www.flickr.com/photos/21955465@N05/
They also posted a pic of the car on their website.
I had a pair of 1.90 60's bracketing a 2.00, so I think I'm getting the new tires sorted out.
By the way, I would not recommend doing the "rock the steering" thing that some FWDs do while doing a burnout. The LSD does NOT like it at all. It makes some very scary noises.
[Edit] From the IRP/ORP Flickr page. http://www.flickr.com/photos/21955465@N05/
They also posted a pic of the car on their website.
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fostersafb
Member
- :
- 2009 Mazdaspeed3 GT MGM
^^Wow, that track makes my local track look like a back alley behind a walmart.
nice run
nice run
ran 13.6 at 106 with 2.3 60ft. Atco raceway (crap). my 60ft was shot, cause a week prior i went to dealer and they did alligment. i checked my tire pressure and it was at 36psi, if i was at stock pressure, i could have hit 2.1. stock tires, 40*F. NO FLAT SHIFTING. and a boost cut in 5th.
I do not recommend flat shifting, you WILL KILL YOUR CLUTCH. especially in higher gears. 1-2-3 is not as bad (even that C&D you talking about, they said flat shift thru first 3gears). I would not recommend doing it a lot though. if you flat shift in higher gears (3rd to 4th etc), that puts a lot of load on your clutch (do that 20 times and bye bye clutch).
I do not recommend flat shifting, you WILL KILL YOUR CLUTCH. especially in higher gears. 1-2-3 is not as bad (even that C&D you talking about, they said flat shift thru first 3gears). I would not recommend doing it a lot though. if you flat shift in higher gears (3rd to 4th etc), that puts a lot of load on your clutch (do that 20 times and bye bye clutch).
I 100% disagree ! If you are a slow shifter maybe you shouldnt do it. Those who can properly speed shift should absolutely flat shift. My car is a good 2 tenths faster when i flatshift. And now i do it for every shif on every pass down the track. This car has been down the track close to 100 times, about 20 of them on slicks. Powershifting all the way. Hell i even do it on the street pretty often, only in the upper gears. The lower gears results in too much wheel spin. My car has 30k of some of the hardest driving you could imagine. My clutch still grabs like new.
I also disagree. I can't flatshift 1-2 or I lose all traction. 2-3 and up is flat shifted like a mofo. My clutch is still fine. If you can power shift from 1-2 and maintain traction, you're doing it wrong.
and by the way C&D is by no means the end all be all of drag racing technique. I'm pretty sure we have people on this board alone who have run faster times in stock cars than their "professional" drivers.
and by the way C&D is by no means the end all be all of drag racing technique. I'm pretty sure we have people on this board alone who have run faster times in stock cars than their "professional" drivers.
oh well, to each it's own. I didn't say you will get slower times 
off course you will get much faster times (.2 is about two car lenghs at the end of 1/4). i did flat shift (in previous cars as well), i know what it is, and i know how to do it. You just need to understand what is happening in your drivetrain when you do it, especially in higher gear.
Doing it in first gears, yes you will not catch traction, and might not even hit 3rd gear (hence i don't see a point in doing it). The car in C&D was stock, with new stock tires, your shifting techniques variate, thus regulating the wheelspeen (even with flat shifting). If you have anything more than stock, flatshifting in first couple of gears is not recommended. Stock will do.
As far as the C&D drivers, I don't think they are the best probably not, but i'm sure they are pretty good at what they do. I would like to see someone, who on completely stock car (cross on heart), including stock engine mounts and tires has done better than 14.1 at 100. Also, we all know that the tracks variate, some have more traction, and some have less, weather conditions etc. The first time i went to the track, I ran 14.1 at 100 (2.1 60ft)with a MSCAI and flatshifting. I'm not saying i'm the best driver, but it was my first time with this car at the track.... soo... i'd say you have to be damn good driver to hit 14.1 stock, unless your track is glued.
off course you will get much faster times (.2 is about two car lenghs at the end of 1/4). i did flat shift (in previous cars as well), i know what it is, and i know how to do it. You just need to understand what is happening in your drivetrain when you do it, especially in higher gear. Doing it in first gears, yes you will not catch traction, and might not even hit 3rd gear (hence i don't see a point in doing it). The car in C&D was stock, with new stock tires, your shifting techniques variate, thus regulating the wheelspeen (even with flat shifting). If you have anything more than stock, flatshifting in first couple of gears is not recommended. Stock will do.
As far as the C&D drivers, I don't think they are the best
probably not, but i'm sure they are pretty good at what they do. I would like to see someone, who on completely stock car (cross on heart), including stock engine mounts and tires has done better than 14.1 at 100. Also, we all know that the tracks variate, some have more traction, and some have less, weather conditions etc. The first time i went to the track, I ran 14.1 at 100 (2.1 60ft)with a MSCAI and flatshifting. I'm not saying i'm the best driver, but it was my first time with this car at the track.... soo... i'd say you have to be damn good driver to hit 14.1 stock, unless your track is glued.I can keep traction on a 1-2 flat shift.... I have a pair of hoosiers that say so!!
I have a 2 step also... So i launch at WOT then 1-2-3-4-5 all the wat down the track ... WOT !! 12.82 @ 108 with basic bolt ons, tell me i'm wrong.
oh well, to each it's own. I didn't say you will get slower times
Doing it in first gears, yes you will not catch traction, and might not even hit 3rd gear (hence i don't see a point in doing it). The car in C&D was stock, with new stock tires, your shifting techniques variate, thus regulating the wheelspeen (even with flat shifting). If you have anything more than stock, flatshifting in first couple of gears is not recommended. Stock will do.
As far as the C&D drivers, I don't think they are the best
Done!!
Clicky clicky!
http://www.caranddriver.com/reviews...uickest_cars_of_2009_20_000_to_25_000_feature
BTW, I ran a 13.9 stock with nearly bald tires - no power shifting either.
FMOS Racing
Member
- :
- 2008 MS3, plus a pickup and a beater car
My Hoosier's agree, powershifting 1-2 works just fine. 
The only time my clutch has complained is when I've botched a burnout. And man, did it complain. That's also with somewhere around 100 passes on the car, just south of 30 of them now on a drag tire.
I've powershifted everything I've ever owned that had a manual transmission. Never hurt a driveline part. Never replaced a stock clutch, either, except in my Mustangs, and that was because they were way beyond stock power, not because of powershifting. And I bet I've powershifted this thing over 1000 times on the street. It sees a run-up of the gears every time I get an open interstate ramp or clear country road.
You want to run the best time you can in the car, your right foot should stay on the floor as much as possible. After learning to launch, learning to powershift is the second most important aspect of getting these things down the track in my opinion.
The only time my clutch has complained is when I've botched a burnout. And man, did it complain. That's also with somewhere around 100 passes on the car, just south of 30 of them now on a drag tire.
I've powershifted everything I've ever owned that had a manual transmission. Never hurt a driveline part. Never replaced a stock clutch, either, except in my Mustangs, and that was because they were way beyond stock power, not because of powershifting. And I bet I've powershifted this thing over 1000 times on the street. It sees a run-up of the gears every time I get an open interstate ramp or clear country road.
You want to run the best time you can in the car, your right foot should stay on the floor as much as possible. After learning to launch, learning to powershift is the second most important aspect of getting these things down the track in my opinion.
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