Vic55

It was a nice day and the roads were dry and clean from last night's rain here in Cali so I did some G-Tech 0-60 runs with my 2001 E55. The place where I go is generally regarded by the locals as a good measurement for quarter mile runs so I knew that the 0-60 times would be OK too. I did these runs in 48 degree weather with the ESP off on all launches and 1/2 tank of gas. I left my 50lb subwoofer box in the trunk but I am not sure if that really would have made a big difference. I would have had more runs but a CHP was kind enough to stop by and see how I was doing while I was logging in my times on the side of the road and I knew this was my queue to not push my luck any further. The road I did the tests on was the same one I used in the past and there is minimal traffic but it figures with my luck that a CHP would be coming by. Luckily I got in 5 good runs. My previous best runs were in March of 2001 with Pzero Rosso tires and I posted a best 4.84 and 4.82 zero to sixty times. I now have S03's and they do grab better than the Rosso's. These were all mash throttle acceleration times and I know with torque braking I possibly could have pulled off even better times.

Run #1: 4.96
Run #2: 4.89
Run #3: 4.84
Run #4: 4.83
Run #5: 4.78

The G-Tech claims to be accurate to plus/minus 1/10th of a second so you can do your deductions but these are some pretty consistent numbers. I did warm the tires up a little before my first run but seeing how the numbers kept dropping I feel I could have pulled low 4.7's with the perfect launch. All in all I am very satisfied with how this car performs- my ride seems to be just getting faster and faster as I put more miles on it.

JamE55

Good run Vic!!

Just out of curiosity out of those 5 runs you did how many tire spins on each run did you get on the launch?

BTW: Love that 4.78secs

Vic55

Minimal spin if any at all - the first run was probably the only noticeable tire spin that I heard but then I wasnt really paying to much attention. Those S03's really grab well.

JamE55

Daamn! Those SO-3's is what i need to get!

Vic55

I think the suspension mods do help a little. The factory E55 suspension is soft and there is a lot of squat. I am not sure how much time it would take off but I am sure that my times would be higher without the mods.
Unfortunately I didnt do do the quarter mile times. I will be doing those next but much earlier in the AM so I don't have to see any CHP's.

AMGGuy

Good runs! How many miles on your car

Vic55

A little over 5k right now. I have driven the car the same way since day one--not too hard but definitely not babying it. The BBS wheels are much lighter than the AMG Monoblocks and may make a 1/10th of a second difference.

Autostream

you want squat for drag racing, and lots of it. It loads the drive wheels which gives more traction.

hinhin7

Vic: did you do any modification onthe engine? Woww... E55 under 5 s is pretty impressive. I thought MB only claims 0-60 for E55 to be above 5s.

E55 KEV

Motor Trend reported these number in stock E55 March 2000.

4.8
13.3
107.1

mikE55

MB's claimed 0-60 of 5.4 for the 210 E55 was very conservative. As Kev pointed out MT got 4.8 in their original test, and 4.99 in a later test. R&T got 5.1. C&D got 4.8 in their original '99 test, and 5.5 in a later comparison test. That 5.5 was the one anomoly, and probably due to a weak spec car or the fact that they stated the car's touchshift wasn't working right. Even Roundel, the BMW Car club mag, stated 5.0 for their E55 comparison vs. the M5, which was also rated at 5.0 secs.

I've recorded 4.9 secs with my G-tech on my 100% stock E55. Sub 5's is surely doable. But Vic's times were exceptionally good, can't remember if his engine was stock or not, but I think it was.

hinhin7

So, if that the case, do you think CLK 55 wil be a little bit faster?
I remember a guy pn the forum who owns an E 55 and he only did slight modification on the intake or something. For 1/4 mile, he got around 12.5 or 12.7 s. So, I guess for his car 0-60 will be less than 5s....
Am i right?


Thanks

mikE55

Yes the 208 CLK 55 coupe is suppose to be a little faster than the 210 E 55 due to its lighter weight. But the reality based on most car mag tests is that they seem to be about the same, right around 4.9-5.0 secs for 0-60. The E 55's slightly greater hp and much greater torque seems to make up for its heavier weight.

Now the 208 CLK 55 cab is a little slower because it weighs about as much as the 210 E 55. The new 209 CLK 55 is also heavier, but has greater hp at 367, but torque remains the same as the 208 CLK 55 at 376 lbs. So I suspect it will also perform about the same as the old 208 CLK 55 coupe and 210 E 55 sedan.

pocholin

Vic55, what are your quarter mile times on the g-tech?

I borrowed a g-tech pro from James Cannon and I lost interest for the 0-60 mph (best I could do on the street was 5.1 I think), but I did check the 1/4 mile times at the track g-tech vs paper slip and g-tech was 2 1/2 to 3 tenths off higher. In other words I ran my best time of 13.12 and g-tech said 13.38 (can't remember mph, but it was also off)

I was happy beliving 4.8 to 4.9 0-60 mph, but I'm curious to know your 1/4 mile times on g-tech.

mikE55

I'd also be curious to know Vic's 1/4 mi. times w/ G-tech too.

I haven't run the 1/4 mile, 'cause I'm not really into drag racing. But G-techpro claims to be within +/- 0.10 of "Real Life" accuracy. Assuming that even the slips given out at the track are not 100% accurate, a track slip of 13.12 and G-tech of the same run at 13.38 could be in that 1/10th window of "Real Life" times, but it does seem a bit off.

G-tech also claims that their 1/4 mi trap speed will be higher than the track's time. They claim their trap speed is actually more accurate. I forget why that is, the explaination is on their website. But since the G-tech seems to be giving you slower times for 1/4 mi., your 0-60 of 5.1 probably equals something under 5 secs.

pocholin

g-tech was giving me higher mph, can't remember speed but I do remember it was higher.

damcgee

I think I remember hearing that 1/4 miles drag strips average your speed during the last 100 or so feet to get your trap speed. So if the G-tech is measuring your speed at 1320', then I suppose it would be faster. I'm not sure about the 100 ft number, but I am pretty certain it is an average of the last "x" number of feet.

James F. Cannon

My personal use of the G-Tech Pro yielded a 12.615 ET @ 119 MPH when the drag strip time was 12.312 ET @ 116.78 MPH. I realize that any delay between setting the button and actually taking off leads to increased error, the greater the delay the greater the error. I personally think the G-Tech is best used for comparison purposes and would not put too much stock in it for 1/4 mile times and trap speed.

E55AMG99

FWIW, my '99 went 4.9 (average times) on the G-Tech with only 1000 miles on the clock. It only improved to 4.8 (average) with 8,000 miles. The best improvement came after the computer upgrades. Times have dropped to 4.6 but only for the first run or two. After the car gets hot, the times go back to 4.7 or 4.8. I suspect that detonation is causing the ECU to retard the extra timing from the modifications. As soon as I get the G-Tech back, I am going to fill the tank with high octane 76 unleaded and retest.

FYI - Computer modifications include factory '00 transmission specs and an aftermarket ECU.

pocholin

Whay is the transmission mod and who did the ECU ???

E55AMG99

The dealer updated the trans with both computer and valve body to '00 specs hoping it would fix the 1-2 shift problem. Acording to the dealer, the '00 specs are supposed to reduce power LESS during the shift and shift quicker. Since I did not do any before/after testing, I cannot tell if this claim is true or if it made the car faster. It did solve most of the 1-2 shift problems.

The ECU was shipped to Los Angeles by the guys at T-W Motorsports in Campbell, CA. I don't have the specs but the car launces harder, shifts at a higher RPM and has a much improved midrange. It feels like 30HP and the 0-60 improvements seem to confirm this. The most notable change is the 2-1 downshift at about 20MPH now results in total tire smoke with the ESP off.

Vic55

Wow, who pulled this thread out of storage??? I think I posted this way back more than 1 year ago. My times were with a stock E55 with BBS LM's (lighter than factory wheels) and the speed limiter removed which I am not sure did anything or not. I never did do a quarter mile test because after I finished my last test on the 0-60's, a cop came by and asked me a bunch of questions and I figured I better just stop instead of going over 100 mph in the quarter.