1/4 mile times and best techniques
#1
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E63 BiTurbo, previously C63 Coupe
1/4 mile times and best techniques
1/4 mile best technique??
Hi, this is my first post on the forum so please be gentle I thought this was the best place to post as its relevant to the ¼ mile and Eurocharged
I had my car at a ¼ mile event on Sunday (UK) and my best was 12.219@119.7 (my best terminal was 121mph) I was just wondering what the best method is to get the best times?
The Race Start function, isn’t much good, it too aggressive and you get too much wheel spin, in S+ once you loose traction off the line it automatically shifts into second and you loose time. My best times are in Manual, slowly building up the revs in first and shifting near redline.
The track was dry, but there was a lot of humidity in the air, very misty and around 10 degrees, so I reckon a sub 2secs 60ft is possible in the right conditions and should get into the 11’s ???
C63 Coupe with Eurocharged V4 tune and Michelin Pilot Super Sport tyres
Many thanks
Hi, this is my first post on the forum so please be gentle I thought this was the best place to post as its relevant to the ¼ mile and Eurocharged
I had my car at a ¼ mile event on Sunday (UK) and my best was 12.219@119.7 (my best terminal was 121mph) I was just wondering what the best method is to get the best times?
The Race Start function, isn’t much good, it too aggressive and you get too much wheel spin, in S+ once you loose traction off the line it automatically shifts into second and you loose time. My best times are in Manual, slowly building up the revs in first and shifting near redline.
The track was dry, but there was a lot of humidity in the air, very misty and around 10 degrees, so I reckon a sub 2secs 60ft is possible in the right conditions and should get into the 11’s ???
C63 Coupe with Eurocharged V4 tune and Michelin Pilot Super Sport tyres
Many thanks
#3
Super Member
that's impressive for a near stock car with a tune and no drag radials. man these things get moving good. do the 09/10's runs a time like that with the same tune or are the newer coupes quicker?
so 11s with just tune and drag radials isn't out of the question even on non performance package cars?
so 11s with just tune and drag radials isn't out of the question even on non performance package cars?
#4
Senior Member
Interesting your thoughts about S+ mode, my best time is 12.11 and that was in S+ mode starting from idle rpm. With Race Start I just usually pull 12.3x times but I've run sub 12.3s using S+. Car is a stock 2012 sedan with performance pack.
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2015 E63S AMG & 2013 GLK350
Drag radials are a big help on any high hp car but be careful at least on '12+ cars with MCT, there's what I believe is a glitch in the programming that sometimes allows the car to rev 3500 or so rpm and dump the clutch which sounds great till the driveshaft snaps and your without a car for a week while they order one from Germany
As for launching, I've gotten 1.8 60fts bone stock on stock Conti's in S+ with first gear selected and the traction control in Sport, leaving at idle and rolling on the throttle. Never try to flat punch it from idle with the traction control completely off unless your ok with possibly breaking a driveshaft
As for launching, I've gotten 1.8 60fts bone stock on stock Conti's in S+ with first gear selected and the traction control in Sport, leaving at idle and rolling on the throttle. Never try to flat punch it from idle with the traction control completely off unless your ok with possibly breaking a driveshaft
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Care to link to where you saw this? First I've heard of it.
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2015 E63S AMG & 2013 GLK350
If your referring to the broken driveshaft it happened to me. With the traction control totally off flat punch my car from idle it will rev up and dump the clutch, though I try to avoid it now because on the third time my driveshaft snapped
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#8
MBWorld Fanatic!
hi guys wanted to bump this thread to ask some questions. went to the strip today, and ran a crappy 12.7 @ 110....i couldnt launch for the life of me (2.3 60s, with LC on) and the track was really high in elevation and a little up hill lol (if you stage with a m/t car, it rolls back)
anyways this is the first automatic car i've raced, and from what I heard in traditional automatics you build up the revs a little and slowly get in the throttle....but our cars dont have a torque converter so what is the best technique to use?
I also had the same trouble with OP where I would roll onto S+ and if i let off it shifts into second...i was going to try manual but then the track got rained out
anyways this is the first automatic car i've raced, and from what I heard in traditional automatics you build up the revs a little and slowly get in the throttle....but our cars dont have a torque converter so what is the best technique to use?
I also had the same trouble with OP where I would roll onto S+ and if i let off it shifts into second...i was going to try manual but then the track got rained out
#12
MBWorld Fanatic!
Here's a video someone got of me at the track .
(Vs stock 2012 PDK turbo S )
Last edited by mthis; 06-02-2013 at 10:03 AM.
#13
Senior Member
SO here is what I am getting from this. Put on a set of drag radials. Do a burnout to get them nice and sticky. Roll up to the line in S mode, bring the RPM up slightly to ??? to launch, green light hammer down?
OK in simple general terms; What am I missing, what is a good average tire pressure for a 88 degree night in TX...
OK in simple general terms; What am I missing, what is a good average tire pressure for a 88 degree night in TX...
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'12 C63 Coupe - P31 - LSD - Eurocharged
We have done alooooooooooot of 1/4 time. The only issue is u run thru race gas and tires really quick.
Here's a video someone got of me at the track .
(Vs stock 2012 PDK turbo S )
http://youtu.be/eQAuM1wAgOw
Here's a video someone got of me at the track .
(Vs stock 2012 PDK turbo S )
http://youtu.be/eQAuM1wAgOw
#16
MBWorld Fanatic!
Even for street tires? I dont plan to do that much drag that I will go out and buy drag radials. Im more of a track racer haha
And how would i launch the car? Can i still do the stall rpm? Since my car is an MCT so no torque conveter
And how would i launch the car? Can i still do the stall rpm? Since my car is an MCT so no torque conveter
Last edited by natman316; 06-02-2013 at 09:16 PM.
#19
MBWorld Fanatic!
If you track your car get some 888's they work good at the 1/4 mile.
Idk about MCT but my c63 is older and has the auto trans but my bros F10 m5 has DCT and LC but I don't use LC I just hold the gas and brakes just to build the revs up so your already on it once you let the brakes go.
If u have sticky tires. Use LC.
#20
MBWorld Fanatic!
not saying it didnt happen, obviously it did but its a very isolated instance. ive never heard or seen this ever happening on a benz unless outside influence was involved. whether it be 55/63/65 stock or modified. was this the driveshaft or an axle shaft theres a big diffence?
#25
MBWorld Fanatic!
Drag radials are a big help on any high hp car but be careful at least on '12+ cars with MCT, there's what I believe is a glitch in the programming that sometimes allows the car to rev 3500 or so rpm and dump the clutch which sounds great till the driveshaft snaps and your without a car for a week while they order one from Germany
not saying it didnt happen, obviously it did but its a very isolated instance. ive never heard or seen this ever happening on a benz unless outside influence was involved. whether it be 55/63/65 stock or modified. was this the driveshaft or an axle shaft theres a big diffence?
I don't think it's a programming glitch tho, I think it's just an undocumented launch mode. Hold down the brakes, get on the throttle, let go of brake, works every time with ESP fully off.
Last edited by rage2; 06-03-2013 at 01:54 AM.