The TT Engine continues to impress: '12 CLS63TT 10.98 at 129.40mph!!!
Here is a before and after run he did against his GT2 that also has many mods done to it. I would say the CLS closed the gap big time, and there is a little more to be done to boost (no pun intended, ok maybe a little) the hp of this CLS.
Look at the difference in turbo, the turbine wheel is considerably bigger on the new turbo on the right. I am sure it has larger compressor wheels also but he didn't have a pic from the front posted.

I honestly don't see how you could say what you just said, the guy is laying it all out there and it is 100% believable.
Last edited by urbamworm; Mar 18, 2012 at 06:52 PM.
The Best of Mercedes & AMG
of a Tune ONLY cls63 or e63 re-creating RENNtechs 10.9x runs is'nt happening.. The new cls63 needed an aggressive Tune (most likely 100+ octane or @ VERY LEAST 93 Tune then add 100+ octane mix @ track) Skinny's up front on lightweight wheels (from the video, MOST agree it appears they used a pair of MB safety spair wheels
) lightweight rears on Drag tires, 3" Down Pipes, hi-flo or NO cats, IC pump upgrade, obvious Weight savings mods, & most important part which a lot of you forget, unreal Weather/Negative DA @ a Sea Level track.. Maybe they used more
as ALL the RENNtech cars SLR/CL65 etc have BESTED previous records by large margin w/out disclosing any noteworthy modifications (esp the SLR it had the largest improvement w/out any real or defined CHANGES in mods but improved by a half second + in ET etc.. Besides missing entire trunk lid lol)
Last edited by Thericker; Mar 18, 2012 at 10:38 PM.
You do realize this car is in South Florida right? You should realize that "unreal weather/Negative DA" don't fit in the same sentence as a track in South Florida. It would be very rare to get a negative DA at PBIR where they run that car in Jupiter, Florida. I ran my E55 in December a few days before Christmas at that track this past year and the weather was like 70 something degrees that night at the coldest point where I am sure it was 30 or 40 other places up north and probably in the 50s where you live in SoCal.
I was in SoCal probably close to where you are (Huntington Beach is where I was) and it was in the 60s at night in the middle of May when I visited there and is colder in the winter so you may have a misunderstanding of how weather is in Florida year round especially down south, so in the dead of "winter" it is not necessarily cold down there then you throw in the HUMIDITY that Florida has all the time which makes things worse. The car just ran 10.9@131 at the end of February, most people are bundled up elsewhere compared to in South Florida in February where people are at the beach

The track day was Feb 26th which had a LOW of 70 early that morning (at night still) and average humidity of 74% that day with temp around 73 all day from lunch time on, so even using the lowest temp of the day there was nothing spectacular there. The DA was close to 900ft most of the day.
Last edited by urbamworm; Mar 18, 2012 at 11:14 PM.
You do realize this car is in South Florida right? You should realize that "unreal weather/Negative DA" don't fit in the same sentence as a track in South Florida. It would be very rare to get a negative DA at PBIR where they run that car in Jupiter, Florida. I ran my E55 in December a few days before Christmas at that track this past year and the weather was like 70 something degrees that night at the coldest point where I am sure it was 30 or 40 other places up north and probably in the 50s where you live in SoCal.
I was in SoCal probably close to where you are (Huntington Beach is where I was) and it was in the 60s at night in the middle of May when I visited there and is colder in the winter so you may have a misunderstanding of how weather is in Florida year round especially down south, so in the dead of "winter" it is not necessarily cold down there then you throw in the HUMIDITY that Florida has all the time which makes things worse. The car just ran 10.9@131 at the end of February, most people are bundled up elsewhere compared to in South Florida in February where people are at the beach

The track day was Feb 26th which had a LOW of 70 early that morning (at night still) and average humidity of 74% that day with temp around 73 all day from lunch time on, so even using the lowest temp of the day there was nothing spectacular there. The DA was close to 900ft most of the day.

We AGREE that after you add Drag tires/Dwn Pipes/IC Pump/etc you should def shave off 3-4 tenths, what's in contention is they imply RENNtech ECU tune ONLY & hello 10.9x@ 128-130 actual cls63 had additional major mods including RENNtech LSD limited slip diff (def helped their 60' times) The Weather helped the RENN cls63 emensely IE
Now Dragimes lists more DA info..
(Slowest 1st run has the WORST DA & hottest temp @ 82 F)
1st record @ 11.37 @ 125 ran in Positive1659 + DA 82 F http://www.dragtimes.com/Mercedes-Be...lip-23298.html
2nd record 11.21 @ 126+ only 59 F & ran in Negative - 40 DA http://www.dragtimes.com/Mercedes-Be...lip-23600.html
3rd record @ 10.90 @ 129 ran in 200 DA in just 60 F def NOT SWAMP heat & high DA whatsoever, w/most modifications http://www.dragtimes.com/Mercedes-Be...lip-23728.html
Last edited by Thericker; Mar 20, 2012 at 12:20 AM.

We AGREE that after you add Drag tires/Dwn Pipes/IC Pump/etc you should def shave off 3-4 tenths, what's in contention is they imply RENNtech ECU tune ONLY & hello 10.9x@ 130

Time slips and videos on this thread
https://mbworld.org/forums/cls55-amg...eet-tires.html
10.90's with a tune only and drag radials???? Yea rite
You do realize this car is in South Florida right? You should realize that "unreal weather/Negative DA" don't fit in the same sentence as a track in South Florida. It would be very rare to get a negative DA at PBIR where they run that car in Jupiter, Florida. I ran my E55 in December a few days before Christmas at that track this past year and the weather was like 70 something degrees that night at the coldest point where I am sure it was 30 or 40 other places up north and probably in the 50s where you live in SoCal.
I was in SoCal probably close to where you are (Huntington Beach is where I was) and it was in the 60s at night in the middle of May when I visited there and is colder in the winter so you may have a misunderstanding of how weather is in Florida year round especially down south, so in the dead of "winter" it is not necessarily cold down there then you throw in the HUMIDITY that Florida has all the time which makes things worse. The car just ran 10.9@131 at the end of February, most people are bundled up elsewhere compared to in South Florida in February where people are at the beach

The track day was Feb 26th which had a LOW of 70 early that morning (at night still) and average humidity of 74% that day with temp around 73 all day from lunch time on, so even using the lowest temp of the day there was nothing spectacular there. The DA was close to 900ft most of the day.
I was in SoCal probably close to where you are (Huntington Beach is where I was) and it was in the 60s at night in the middle of May when I visited there and is colder in the winter so you may have a misunderstanding of how weather is in Florida year round especially down south, so in the dead of "winter" it is not necessarily cold down there then you throw in the HUMIDITY that Florida has all the time which makes things worse. The car just ran 10.9@131 at the end of February, most people are bundled up elsewhere compared to in South Florida in February where people are at the beach

The track day was Feb 26th which had a LOW of 70 early that morning (at night still) and average humidity of 74% that day with temp around 73 all day from lunch time on, so even using the lowest temp of the day there was nothing spectacular there. The DA was close to 900ft most of the day.
they recorded Negative DA on their 11.21 Record in just 59 F Negative -40 http://www.dragtimes.com/Mercedes-Be...lip-23600.html& the latest 10.90 on Dragtimes Jan 20th wasn't done in 900+ ft or 73 F, they reported 60 F @ only 200' DA http://www.dragtimes.com/Mercedes-Be...lip-23728.html
So my point still stands, as you can clearly see Weather & very favorable DA play a big role in Perf increases shown in their record runs..
Last edited by Thericker; Mar 20, 2012 at 12:11 AM.
Time slips and videos on this thread
https://mbworld.org/forums/cls55-amg...eet-tires.html
10.90's with a tune only and drag radials???? Yea rite

Last edited by Thericker; Mar 20, 2012 at 12:12 AM.
Next, I need to ask a question. This car above with vtech tune can run 11.34 on street tires with a 1.83 60ft time which even said by the owner:
Next, I need to ask a question. This car above with vtech tune can run 11.34 on street tires with a 1.83 60ft time which even said by the owner:
But you can't believe a few tenths faster with a car running drag radials with a better 60ft (everyone knows every tenth at the line is good for 2 tenths at the end) and perhaps maybe even the slight possibility Renntech makes a little more power? Just with a 1.70 60ft instead of 1.83 by the vtech tune car above puts the car running 11.10ish then like I said, maybe Renntech makes a hair more power which could easily knock of another tenth putting the car at 11.0 range which is right in the territory it is running. I don't understand why some of you want to fight it so bad and are in such disbelief because it seems very logically possible in my eyes. And it even says Renntech headers/downpipe and Renntech exhaust on their 10.90@128.9mph run.
RE-READ my post about the difference in OEM options in the (2) different cls63's, Ready2Roll's cls63 has lightweight Carbon-Ceramic rotors, they alone can account for 2 tenths 2 mph in ET Edit: I'm talking about Jan 20th 2012 data, what I listed from the Dragtimes link above, I think you & I may be confusing that 10.90 run for your latest Feb 26th 2012 track day?

This info about Temps & DA below still stands though, & the car was ran in Negative -40 DA & in progressive runs where perf increased w/better weather all around Temps of 59 F thru 60 F
they recorded Negative DA on their 11.21 Record in just 59 F Negative -40 http://www.dragtimes.com/Mercedes-Be...lip-23600.html& the latest 10.90 on Dragtimes Jan 20th wasn't done in 900+ ft or 73 F, they reported 60 F @ only 200' DA http://www.dragtimes.com/Mercedes-Be...lip-23728.html
So my point still stands, as you can clearly see Weather & very favorable DA play a big role in Perf increases shown in their record runs..
Last edited by Thericker; Mar 20, 2012 at 01:00 AM.











