W211 AMG Discuss the W211 AMG's such as the E55 and the E63
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Old 11-25-2009, 03:27 PM
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Originally Posted by juicee63
Could the OP deduce the trap speed from the other splits on the slip?
I believe the answer is no.
Since you cannot prove nor disprove trap the timeslip stands as Alan has run within 1% of this in the past.

133.1*.01%=1.331

133.1-1.33=131.7

You can do reverse equations and obtain the other splits because they are already known, however if you did not know Alan's trap or think its off, we would guess it to be 127-128 mph.

Try it , please someone tell me what this car trapped based on the other information. First person to do it will get 100.00 delivered via paypal.

Here is a run with two CLS 63's from January 18th 2008
The track :California speedway

CLS 63 CLS 63
1.982 2.003
5.306 5.365
8.039 8.102
90.55 90.47
10.378 10.444
12.37 12.42

Please calculate the two trap speeds
Juicee we both know that the trap speed can only be estimated with this information. I can tell you that during the first run the car averaged 109.53 mph during the last 320 feet and the second averaged 110.42 mph. I would expect the traps to be between 112and 114 and probabilty has the 12.42 car trapping slightly higher but most importantly i don't think they would be 6 mph apart.
Old 11-25-2009, 03:42 PM
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Originally Posted by hooleyboy
There is no mathematical formula that can accurately be linked to drag racing runs. Stay away from that voodoo stuff and just take what the slip gives you.

So many things can happen that can +/- MHP at the traps.

Alan for sure could have run his 10 sec pass at any speed. Trap seeds are for spectators who want to know how fast it was going. ET and 60ft are the only numbers weekend sportsman/gal like us should care about.

Infact I can show a video of letting off for about a full second and still trapping at 118mph.
Exactly.

I have a slip of a car that raced me ran a 9.96 I ran a 12.1 and trapped 116.47 it was at SAC whatcha think the other car trapped?? Or even better who had the faster trap?
Old 11-25-2009, 03:45 PM
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Originally Posted by juicee63
Exactly.

I have a slip of a car that raced me ran a 9.96 I ran a 12.1 and trapped 116.47 it was at SAC whatcha think the other car trapped?? Or even better who had the faster trap?
You had the faster trap!
Old 11-25-2009, 04:04 PM
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Originally Posted by hhughes1
Juicee we both know that the trap speed can only be estimated with this information. I can tell you that during the first run the car averaged 109.53 mph during the last 320 feet and the second averaged 110.42 mph. I would expect the traps to be between 112and 114 and probabilty has the 12.42 car trapping slightly higher but most importantly i don't think they would be 6 mph apart.
Thank you.

I wasn't sure, and I am glad you posted.
You are right about the trap speed estimate but incorrect on which car trapped higher.

The better ET car actually outrapped the car that was moving faster in your calculation of the last 320 which should be 330 ft?

I love the fact you wish to discuss this and dig deeper but since we cannot prove or disprove with math lets accept the trap and explore some of the possibilities.

Alan's car has trapped within 1% of this, he has done it on a day when several members here were present. He was depressed because he failed to hit 10's a mere 11.06 . HAAHAHA, poor guy.

Anyway please accept my apologies, I did not mean to challenge you to a math test but rather make certain we could not achieve a trap speed from the other splits.

When I get home I will post the slip, if someone can get just one of the recorded traps accurately 100 bucks will be sent to em
Old 11-25-2009, 04:53 PM
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I can't tell you how relieved I am that we are all now having sensible conversation rather than dividing the party line. Understand that my motivation as a C63 owner for being in the 211 forum is simply respect and admiration. This is where the "Go Fast" crowd hangs out and the California crew are the tip of the spear. Internet conversations can easily be misinterpreted in ways that face to face dialogue would not but it remains the clear choice for connecting us all regardless.
Old 11-25-2009, 05:08 PM
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Originally Posted by hhughes1
I can't tell you how relieved I am that we are all now having sensible conversation rather than dividing the party line. Understand that my motivation as a C63 owner for being in the 211 forum is simply respect and admiration. This is where the "Go Fast" crowd hangs out and the California crew are the tip of the spear. Internet conversations can easily be misinterpreted in ways that face to face dialogue would not but it remains the clear choice for connecting us all regardless.


+1
Old 11-25-2009, 06:32 PM
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Here is one That needs explaining

I had a flawess 11.74 pass The car shifted great and I got no wheel spin (this is in AZ) I corrected thats number on dragtimes just to see what could have been. It said my corrected time was 11.66.

I head to Famoso and run an 11.55 on a run that felt like total crap. wheel spin, trans slip. It just felt real bad. All of a sudden I'm at 11.55 and very surprised. Thats about 1 tenth faster than corrected time on a great run.

Old 11-25-2009, 06:40 PM
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Originally Posted by hooleyboy
Here is one That needs explaining

I had a flawess 11.74 pass The car shifted great and I got no wheel spin (this is in AZ) I corrected thats number on dragtimes just to see what could have been. It said my corrected time was 11.66.

I head to Famoso and run an 11.55 on a run that felt like total crap. wheel spin, trans slip. It just felt real bad. All of a sudden I'm at 11.55 and very surprised. Thats about 1 tenth faster than corrected time on a great run.

Not to stir anymore trouble, but I believe the E.T. timing equipment at Famoso is off by a few tenth.... it reads 0.3 seconds lower than others
Old 11-25-2009, 06:43 PM
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Originally Posted by MB_Forever
Not to stir anymore trouble, but I believe the E.T. timing equipment at Famoso is off by a few tenth.... it reads 0.3 seconds lower than others

popcorn
Old 11-25-2009, 06:56 PM
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Originally Posted by MB_Forever
Not to stir anymore trouble, but I believe the E.T. timing equipment at Famoso is off by a few tenth.... it reads 0.3 seconds lower than others

say it isnt so!
Old 11-25-2009, 09:14 PM
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Originally Posted by juicee63
Could the OP deduce the trap speed from the other splits on the slip?
I believe the answer is no.
Since you cannot prove nor disprove trap the timeslip stands as Alan has run within 1% of this in the past.

133.1*.01%=1.331

133.1-1.33=131.7

You can do reverse equations and obtain the other splits because they are already known, however if you did not know Alan's trap or think its off, we would guess it to be 127-128 mph.

Try it , please someone tell me what this car trapped based on the other information. First person to do it will get 100.00 delivered via paypal.

Here is a run with two CLS 63's from January 18th 2008
The track :California speedway

CLS 63 CLS 63
1.982 2.003
5.306 5.365
8.039 8.102
90.55 90.47
10.378 10.444
12.37 12.42

Please calculate the two trap speeds
This never happened. I looked through dragtimes and none of these splits were posted so it clearly never happened. Thanks for the $100
Originally Posted by juicee63
Exactly.

I have a slip of a car that raced me ran a 9.96 I ran a 12.1 and trapped 116.47 it was at SAC whatcha think the other car trapped?? Or even better who had the faster trap?
112. My friend ran 8.07, guess what mph? 130 lol

I trapped 127 and then did some stuff and gained 60whp and 100wtq. Guess what I trapped after? 125!
Old 11-26-2009, 07:59 PM
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Hey guys, I've always been a stand up guy with the truth always being important. I will be the first to admit that my trap speeds are off but ET's are accurate. I just found this website that has many members seeing the same exact mph discrepancies as I. I'm just glad it could be put to your rest and it seems my car is just normal....LOL.

If you plan on coming to Sac be prepared to see 3-5 mph higher traps speeds than normal but ET's are dead on. They mentions something about how they have the 2 beams setup at the end.

http://www.norcal1320.com/forums/sho...p?t=1191195801

Last edited by bassn_07; 11-26-2009 at 08:02 PM.
Old 11-26-2009, 08:26 PM
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Originally Posted by bassn_07
Hey guys, I've always been a stand up guy with the truth always being important. I will be the first to admit that my trap speeds are off but ET's are accurate. I just found this website that has many members seeing the same exact mph discrepancies as I. I'm just glad it could be put to your rest and it seems my car is just normal....LOL.

If you plan on coming to Sac be prepared to see 3-5 mph higher traps speeds than normal but ET's are dead on. They mentions something about how they have the 2 beams setup at the end.

http://www.norcal1320.com/forums/sho...p?t=1191195801
Comon Alan thats silly. Although one member does comment his WIFES SLOW *** MERCEDES" picks up 2mph.

You may wish to call Beth Rice at the NHRA Glendora headquarters and ask her if SAC is 5 mph off can it be an NHRA sanctioned ?

lol
Old 11-26-2009, 08:50 PM
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I hate saying it but it makes sense but as long as et's are correct I'm happy. Like Hooleyboy stated trap speeds are for the enjoyment of the spectators. I would have no problem trapping between 127-130 as long as I'm I'm the 10's.
Old 11-26-2009, 09:22 PM
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Originally Posted by bassn_07
Hey guys, I've always been a stand up guy with the truth always being important. I will be the first to admit that my trap speeds are off but ET's are accurate. I just found this website that has many members seeing the same exact mph discrepancies as I. I'm just glad it could be put to your rest and it seems my car is just normal....LOL.

If you plan on coming to Sac be prepared to see 3-5 mph higher traps speeds than normal but ET's are dead on. They mentions something about how they have the 2 beams setup at the end.

http://www.norcal1320.com/forums/sho...p?t=1191195801
Thanks that was good info from the link. Even better was that Infineon was even a faster track. I'm itching at running their bracket race on Sunday.
Old 11-26-2009, 11:44 PM
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Originally Posted by cruzinquick
Thanks that was good info from the link. Even better was that Infineon was even a faster track. I'm itching at running their bracket race on Sunday.

Evan,

Infineon is the 2009 Champions , I believe they came down to AZ and took the 2009 title.

The track is great but i do not believe it faster especially in the afternoon. There is a pretty big head wind slowing the cars.

It is definately cool, at sea level and well prepped. There also is fuel pumps selling about 9 different octanes..

Good luck
Old 11-27-2009, 12:18 AM
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Originally Posted by juicee63
Evan,

Infineon is the 2009 Champions , I believe they came down to AZ and took the 2009 title.

The track is great but i do not believe it faster especially in the afternoon. There is a pretty big head wind slowing the cars.

It is definately cool, at sea level and well prepped. There also is fuel pumps selling about 9 different octanes..

Good luck
Thanks Josh figured you hit a few rounds there. Yep they had a good showing we tied for 2nd or 3rd don't remember. I went out 1st rd with a breakout, bummer. Well if it isn't faster and during the day, then it's not worth me driving 12 hours there. I'll still try to make the sac night event.
Old 11-27-2009, 12:26 AM
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Originally Posted by cruzinquick
Thanks Josh figured you hit a few rounds there. Yep they had a good showing we tied for 2nd or 3rd don't remember. I went out 1st rd with a breakout, bummer. Well if it isn't faster and during the day, then it's not worth me driving 12 hours there. I'll still try to make the sac night event.
I was dissapointed.

Course I drove 6 hours only to be knocked out because I dialed too low an ET based on what I had heard about Infineon.

My car was faster at SAC and Famoso.

Your best times will be at SAC which usually has a slight tailwind. Yeah prep is hit or miss.

The other issue with Infineon is most the open nights or days are BRACKET so you lose and you go home. You would obviously do great but driving 12 hours to lose in rd 1 would be sucky as hell
Old 11-27-2009, 12:37 AM
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Originally Posted by juicee63
I was dissapointed.

Course I drove 6 hours only to be knocked out because I dialed too low an ET based on what I had heard about Infineon.

My car was faster at SAC and Famoso.

Your best times will be at SAC which usually has a slight tailwind. Yeah prep is hit or miss.

The other issue with Infineon is most the open nights or days are BRACKET so you lose and you go home. You would obviously do great but driving 12 hours to lose in rd 1 would be sucky as hell
Evan, come on over and hit Sac up on Saturday and Infineon on Sunday. That same sight has some very interesting reading on all the bay area tracks. It seems most of these guys are hardcore with some very fast cars.

Josh, If I remember correctly don't you have similar et's and traps at all three tracks? I'm not sure what the DA was but I'm curious to know. Most agree that infineon is one of the slower tracks with a slight uphill incline...is this true?
Old 11-27-2009, 01:18 AM
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Originally Posted by bassn_07
Hey guys, I've always been a stand up guy with the truth always being important. I will be the first to admit that my trap speeds are off but ET's are accurate. I just found this website that has many members seeing the same exact mph discrepancies as I. I'm just glad it could be put to your rest and it seems my car is just normal....LOL.

If you plan on coming to Sac be prepared to see 3-5 mph higher traps speeds than normal but ET's are dead on. They mentions something about how they have the 2 beams setup at the end.

http://www.norcal1320.com/forums/sho...p?t=1191195801
Damned interesting find Alan, kudos to finishing this debate (just think ALL the NOS accusing & arguments over DA conditions, wheel/tire combos, tailwinds etc would've never happened if we'd known this)

This member from Link you provided sheds more data on the incredible back half Trap speed increases seen here.
I will have to check my log books but from what i remember the 1/8 mile times were not out of line. Sac's mph showed me gaining something ridiculous like 46mph in the back half, I wish...I am usually around 40-42 depending on weather, on the stop of course.

--------------------------------------------------------------------------------
Last edited by B1Valiant; 10-21-2009 at 07:44 PM.
The MPH clocks at Sac are NOT correct. I wish they were but it simply is not and that is a fact. I ran almost 170 there two weeks ago, trust me I wish it were true. Anyone running the same MPH at Bako, Sac and Vegas would want to rake into account the DA's of those races, I can guarantee they were nowhere near each other. I race everywhere and trust me it is not right.

The air at Sac this past Saturday night was not all that great for this time of year. The DA was between 1200-1500' all night. The issue was the humidity which was in the upper 60's most of the night. Typically it is much better. For instance the WORST DA at the last Grudgefest last year was 603'. It ranged from -28' to 603' during the night. Weather is a big deal in my type of racing so we keep meticulous records of it, as well as MPH in given conditions and the MPH's from Sac since this spring have been off. Depending on how fast the car is it can be 2-5mp, lane does not matter. Take it for waht it's worth but I can show you my log book and computer and it does not lie. FWIW on the record speed, at the National Open this past summer it was a topic on conversation, and there were NO records set. Believe me once again I wish it were true as I have been 10.90 at 160.55 at Sac, everywhere else I am lucky to see 156 in the same conditions. Heck at the open I saw 156 in 3500' DA', wish it were true. I have some data from early this year just before my first race in Vegas in March and my MPH was correct, somewhere around May or so was when we started getting the funky numbers.
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Last edited by B1Valiant; 10-20-2009 at 09:39 PM.
Though it looks like this track has been off for quite some time vs B1Valiant's noting it possibly started in May this year. Roger Ver's S65 put up these incredible NEAR 30 mph back half gains back in Dec 2006 http://www.dragtimes.com/Mercedes-Be...lip-10181.html

Last edited by Thericker; 11-27-2009 at 01:54 AM.
Old 11-27-2009, 02:41 AM
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Originally Posted by Thericker
Damned interesting find Alan, kudos to finishing this debate (just think ALL the NOS accusing & arguments over DA conditions, wheel/tire combos, tailwinds etc would've never happened if we'd known this)

This member from Link you provided sheds more data on the incredible back half Trap speed increases seen here.




Though it looks like this track has been off for quite some time vs B1Valiant's noting it possibly started in May this year. Roger Ver's S65 put up these incredible NEAR 30 mph back half gains back in Dec 2006 http://www.dragtimes.com/Mercedes-Be...lip-10181.html
Yeah, but the discrepancy is still up in the air on how much the MPH would be off for my car. I'm still optimistic and think I have a shot at 130. The car stated above trap in the 156 mph range and he has seen as much as 5 mph which I'm hoping equates to less on my car. Time will tell when I run my car at Famoso in January...if DA is the same.

Make no mistake DA still plays a major role in how our cars are affected. This data is gathered through multiple runs at the same track. Either way I'm still going to run the Performance Box to provide a little more data. All though I know this isn't going to solve the discrepancy it will give me a better idea.
Old 11-27-2009, 03:23 AM
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Originally Posted by bassn_07
Yeah, but the discrepancy is still up in the air on how much the MPH would be off for my car. I'm still optimistic and think I have a shot at 130. The car stated above trap in the 156 mph range and he has seen as much as 5 mph which I'm hoping equates to less on my car. Time will tell when I run my car at Famoso in January...if DA is the same.

Make no mistake DA still plays a major role in how our cars are affected. This data is gathered through multiple runs at the same track. Either way I'm still going to run the Performance Box to provide a little more data. All though I know this isn't going to solve the discrepancy it will give me a better idea.
You see now you're contradicting what you've said earlier
I hate saying it but it makes sense but as long as et's are correct I'm happy. Like Hooleyboy stated trap speeds are for the enjoyment of the spectators.
Now your back to fighting tooth n' nail for every last mph ending w/ @ least 130mph???

Alan I know these online Drag Calc's are'nt 100% but look @ what you get when you plug in your #s your E55 w/you in it including weight savings etc should weigh about 4200 LBs @ best your 563 rwhp /.82 = 686 Crank HP, ET is off but Trap seems very close, The speed is 127.91921999999 mph. a bit optimistic considering Sals SL55 has near = Curbweight w/lots of mods + about 40 rwhp & 40-55 more RWTQ w/100 oct ECU
http://www.web-cars.com/math/qtr_mile.html

Sal only trapped 127.5xx
The quarter mile acceleration time of a car that weighs 4200 pounds and has 686 horsepower is 10.656 seconds.

The speed is 127.91921999999 mph.
Lastly we have that other E55 TX member t02? running 10.9x @ 127 mph

I think you have a 127+ mph Trap, & that's awesome you say you're now only interested in ET's so why the conjecture? Vs all the data that speaks volumes as to why your Traps are indeed between 4-6 mph too high @ Sac


Even more interesting plug in Roger Ver's #'s into Calculator: 5000 lb S65 w/driver 600 rwhp = 731 BHP
The quarter mile acceleration time of a car that weighs 5000 pounds and has 731 horsepower is 11.057 seconds.

The speed is 123.28201079999 mph.
@ Sac he ran 11.069 @ 128.7 = exactly 5.418 mph off, any where else in the country that heavy S65 would trap 124 tops

Last edited by Thericker; 11-27-2009 at 03:44 AM.
Old 11-27-2009, 04:32 AM
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Originally Posted by Thericker
You see now you're contradicting what you've said earlier Now your back to fighting tooth n' nail for every last mph ending w/ @ least 130mph???

Alan I know these online Drag Calc's are'nt 100% but look @ what you get when you plug in your #s your E55 w/you in it including weight savings etc should weigh about 4200 LBs @ best your 563 rwhp /.82 = 686 Crank HP, ET is off but Trap seems very close, The speed is 127.91921999999 mph. a bit optimistic considering Sals SL55 has near = Curbweight w/lots of mods + about 40 rwhp & 40-55 more RWTQ w/100 oct ECU
http://www.web-cars.com/math/qtr_mile.html

Sal only trapped 127.5xx


Lastly we have that other E55 TX member t02? running 10.9x @ 127 mph

I think you have a 127+ mph Trap, & that's awesome you say you're now only interested in ET's so why the conjecture? Vs all the data that speaks volumes as to why your Traps are indeed between 4-6 mph too high @ Sac


Even more interesting plug in Roger Ver's #'s into Calculator: 5000 lb S65 w/driver 600 rwhp = 731 BHP

@ Sac he ran 11.069 @ 128.7 = exactly 5.418 mph off, any where else in the country that heavy S65 would trap 124 tops
Just being optimistic, that's all. In the end ET's matter the most but seeing a nice healthy trap will still boost the ego .
Old 11-27-2009, 01:05 PM
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Originally Posted by Thericker
You see now you're contradicting what you've said earlier Now your back to fighting tooth n' nail for every last mph ending w/ @ least 130mph???

Alan I know these online Drag Calc's are'nt 100% but look @ what you get when you plug in your #s your E55 w/you in it including weight savings etc should weigh about 4200 LBs @ best your 563 rwhp /.82 = 686 Crank HP, ET is off but Trap seems very close, The speed is 127.91921999999 mph. a bit optimistic considering Sals SL55 has near = Curbweight w/lots of mods + about 40 rwhp & 40-55 more RWTQ w/100 oct ECU
http://www.web-cars.com/math/qtr_mile.html

Sal only trapped 127.5xx


Lastly we have that other E55 TX member t02? running 10.9x @ 127 mph

I think you have a 127+ mph Trap, & that's awesome you say you're now only interested in ET's so why the conjecture? Vs all the data that speaks volumes as to why your Traps are indeed between 4-6 mph too high @ Sac


Even more interesting plug in Roger Ver's #'s into Calculator: 5000 lb S65 w/driver 600 rwhp = 731 BHP

@ Sac he ran 11.069 @ 128.7 = exactly 5.418 mph off, any where else in the country that heavy S65 would trap 124 tops


Explain this:
The E55 next to Alan is effected by the higher DA and traps lower than it does on average. Alan hits within 1% of his 133 trap, and the other car is trapping normal, how could the beams be off for one car and not the other?

Also on July 3rd 2009, Alan hit 128.1 in 1200 DA remember the DA on his record trap was near 0 100-200 ft. I also ran my car this day and trapped 114.86 which is below my best trap at Famoso of 116.62

10 sec runs broken down-timeslip3rf.jpg

Last edited by juicee63; 11-27-2009 at 01:09 PM.
Old 11-27-2009, 01:39 PM
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Originally Posted by juicee63
Explain this:
The E55 next to Alan is effected by the higher DA and traps lower than it does on average. Alan hits within 1% of his 133 trap, and the other car is trapping normal, how could the beams be off for one car and not the other?

Also on July 3rd 2009, Alan hit 128.1 in 1200 DA remember the DA on his record trap was near 0 100-200 ft. I also ran my car this day and trapped 114.86 which is below my best trap at Famoso of 116.62

Attachment 170732
It's okay Josh and thank you for stating your points but lets just wait until we have everyone in one place. You will end up with a pointless argument and know one can accurately predict what will happen. All though Sean has done some research he has yet to run his car at either place and his opinion is only pure speculation. I take his opinion for what it is, a spectator looking to participate from the sidelines. Once he runs his car he might have a different outlook on racing and will realize sometimes things aren't always what they're supposed to be. Only then can his opinion be taken more seriously.

The time will soon come when Sal, Sun, and myself will be at the same track on the same day. Maybe Sean could make it to run along with us to see if all the data he collected through out the years will translate into some awesome times. I've never been scared or intimidated to race my car and will always be up for a challenge....win or lose. That's the greatest thing about racing, the possibility of defeat .


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