SGC

Thanks. I am very happy with the results.

SGC

I agree Wayne, however, in humid South Florida I have never seen another stock E55 trap @ 118. Not saying it is not possible, I just haven't seen it and I have been to Moroso plenty of times. I have trapped at more than 117mph stock (117.7 mph I believe. Look at dragtimes under SGC) a couple of times when other E55s were running 112-114 on the same night.

In fact the night I ran 120.96, there was a silver 04 sl600 and a black sl55 that could not break 110. I was as suprised as they were. Also, about two weeks ago a guy from Miami with a white E55 with what he claimed to be $4,000 in Kleeman mods was furious since he was running 12.3s @ 114. That being said, I know there are cars faster than mine, I am just very happy with the 120.96 mph trap speed with only the RENNtech ECU and pulley since I know it has more mph in it because I walked it out of the hole.

SGC

Thanks. Good to hear from you. Next time I go to Moroso I will call you.

SGC

Thanks.

Approximately $5,000.00 and well worth it.

WayneE

I think your car is running great, in stock and modded form. I just thought Grumpy's comment was off a little. Get some drag radials and you'll go a lot deeper in the 11s

SGC

Thanks Wayne.

I am looking forward to 11:60's with a good launch.

SGC

siswati

I am only aware of one stock E55 that has trapped at 118 MPH with stock tires (housclass). I have seen many in the 110-115 range. Despite running 12.169, I have never trapped over 115.5 MPH, and I have at least 20 runs in the 110-114MPH range, so I do concur with Grumpy that 116MPH trap speeds is at the top end of the 55K range. SGC obviously has a strong car to run 117 stock.

SGC
Congrats on the Mod buddy - when are you run it with your drag radials? Hope to join you and the growing list of boys at Moroso soon. South Florida MBWorld guys really do represent at the 1/4 mile!!!!!

rflow306

SGC mod to mod you have the strongest e55 that I have seen run at moroso. My car ran 11.82 with dr's and k&n's but only at 115. Then I ran 11.37 at 121 with the nos on the 9th of January.

Since then I added a Pulley and software and the car slowed down to 12.00's at the same mph 115. The car picked up 40 hp on the dyno but at the track my gains are non-existent. Your trap speed of 120 is amazing considering I trap 121 on NOS with 524 rwh. If you search my post's my time slips are posted. Time to get my ecu programed by Renntech. I was blaming my issues on the weather but you have proved that's not the case congratulations.

WayneE

I've run from 112-117 in my car, depending on conditions. I think it's difficult to compare because some of our runs here in the Mid-Atlantic states are made in -DA conditions.

SGC

Thanks Siswati. Congrats on the new car. It's beautiful.

Waiting for new drag radials to arrive, will probably head to Moroso next week.

SGC

SGC

Thanks.

Considering my gains and Hartmut's experience, in my opinion, I would only go to RENNtech.

Can Drive 55

I definitely hear you. Just thinking about it reminds me of all the fun I had in my previous life with my 57 Chev, 66 SS396 Chevelle (later 425HP 427), and 67 Olds 442. However, none of them were as fast as my E55 in stock trim. Fun times are ahead, and these are the good ole days for sure.

TopGun32

if and when I do buy my E55 this year, I will definately do RennTech for pulley and chip.

Impressive numbers!

The trap speed is on par with the almighty M5.

I wonder how you would do from 70 to 140 against one? This has been a big debate.

Can a simple chip and pulley upgrade can keep up with 500 hp and 7sp SMGII? For some, a modded car against a stock car is not a fair race. But as a future owner of a E55, I would love to spend $5k and have no worries that my 3 year old E55 can still keep up.

JJIII55

To what statistic's do you feel you would need mods to keep up with the "Almighty M5"? I have yet to see one bone stock beat a bone stock E55 in the quarter mile. They may end up with similar numbers but surely there is no evidence that they are by any means faster! As for the 70 to 140 I am not sure where you can do such a test on public streets. In fact I am not sure of a track anywhere near where I live that I could test this out either. I suspect the the M5 may pull away at higher speeds due to the tranny but the chance of ever getting to that point in a one on one seems pretty slim. I am running 12.2X quarters bone stock on factory street tires and I don't see M5's beating that. On the other hand I would bow down and probably surender to the M on a bunch of twistys but here in the Desert thankfully everything is flat and straight! Just the way I like it. In addition to that if I wanted a road car to run through curves and hair pins I certainly wouldn't be purchasing a $90K luxury super sedan. Just my opinion for what ever it is worth.

rbc55

i've been contemplating the renntech ecu & pulley.when i spoke with them recently,they told me they would do complimentary before and after dyno's.did you have yours dynoed and if so what were the numbers.

SGC

RENNtech did dyno my car before and after. Picked up a little over 50 rwhp and 50 rwt. I personally don't put a whole lot of weight on the dyno numbers (too many variables), since I have seen people post very high numbers and their cars have no trap speed. My biggest concern was would the mods translate into better e.t. and more mph at the track. In essence, I didn't care what the dyno numbers were, what I cared about was real world performance at the track. RENNtech delivered. I would definitely get the work done if you want a quicker car. Hope this helps.

Fikse

on par with the M5?? no way an M5 will pull 121MPH traps..... not a chance..... he will blast away an M5 at any speed....

there was an M5 at the track last night with an Active Aerowerke ecu upgrade, running 113MPH traps.....

eagleeye

SGC

How much of a difference did you notice when you left RennTech and were simply driving about town? I would like a little more kick but I only drive around town with the occasional flooring on a long straight or on an on-ramp.

Also, how long did they have your car. Is it a one day job?

Thanks much

TopGun32

I agree!

The last car and driver had the M5 at 118 with a 1/4 time of 12.5. Most real times of M5 drivers are about that, if they know how to use the LC. This car has great trap speed but an average ETA.

It is well document that from 0-120 the e55 stock will do be hard to beat.

HOWEVER:
0-150 the E55 is behind 3.xx seconds to the M5. I think this where the pulley and chip will greatly reduce and even out the time compared to the M5. (this scenerio has yet to be tested)

I live in LA- and my average speed for my commute is 35mph per hour. I never plan to take the E55 above 120.

Stock E55 112 to 115 MPH
Most pulley and chip or K1 or stage 1 owners are running 115 to 119.
K2 or Stage 2 owers are running 119 to 122 and higher

<121 MPH trap speed is above the standard variation for a stage I E55.>
This E55 is very strong and above average.

My point being that a simple chip and pulley will get me around 117 to 119mph (on average) and only cost around $5k. I will take it!

If the car performs higher than that.. than

SGC

The car is as docile as stock with more power from idle to redline. You will definitely feel the difference.

SGC

SleeperX

Finally had a nice sunny day and I had a chance to test out my Renntech mods. I had a Renntech ECU, Pulley, and headers installed about a month ago and haven't had a chance to drive my car since the upgrade. While I unfortunantely didn't dyno before or after or have an opportunity to track the car, I can say with certainty that this car is much faster. I can't keep it under 130mph on normal highway driving (at least not when i floor it). When Englishtown opens back up I will track the car and provide some #s.
BTW, I highly recommend Renntech mods.....

Fikse

since we're bringing this thread back... my stock E55 trapped 116.95 at moroso.....

Skeeter

I hate to ask mundane questions... First of WOW that is a TON of bang for the buck! Into the 11z for only $5k! Yowzers.

But what impact on warranty? I'm guessing going back to stock setup wouldn't be that complex if something were to break... Is that the tactic? Will the dealer even see the change? Will they deny service if they notice? If experience with other brands is any indicator, the answer is 'yes' the dealer will spot it, and yes, they'll deny coverage unless they are really cool, which isn't the case very often.

Is Mercedes nicer to AMG owners? Will they commonly overlook a little pulley/ecm swap?

Thanks,

Skeeter

SleeperX

Sounds like you have a fast stock E55. What was your 1/4 mile time?

Fikse

yea, no complaints here...

Here is my slip/video, best 1/4 mile time of the night was a 12.07 @ 116.33

http://www.dragtimes.com/Mercedes-Be...slip-7808.html

best MPH run was 12.16 @ 116.92