BlackHammer

A bit long but need advice!!! Fellas, I hope all has been well. MNM5ETR is back “AC/DC Style” with the purchase of a black/black (Back in Black) 2006 E55 with 41k miles, and K2 package:
• 168mm pulley
• ECU Tune
• Headers
• K & N Air filters
• Assuming it has a Johnson water pump
Just some context:
• Videos will come on me versus my buddies Hellcat (6-speed), another buddy has a 2015 Audi 8L 4.0 TFSI with a ECU tune (same engine as the S6 runs very well), and another buddy has a tuned 2012 GT500 (seemed really fast when I drove it)
• I had a white/pano 2006 E55 bought new in 2006
• Ran a 12.16 @ 115ish (Stock)
• E55 is my favorite car of all time. They will go down as all time classics one day
• I would like the car to run with a new M5 or E63 (do I have a chance?)
• Looking for the best bang for the buck
• I will take the car to the strip here and there. Likely participate in some car “meets” and roll-ons!
• Live in Minnesota – spring can be 30 degrees in April or 90 and humid. July/August can get hot and humid, too. Overall, plenty of cool air in early spring and late fall!

At any rate, I have mod fever (seems to be a pattern in this forum) and need some advice. Needless to say I have read a ton of the posts to get some background so hopefully I am not reinventing the wheel with this thread. I would like more power but am very familiar with the cars and know where they need “help”. With this stated, I am leaning towards doing the following:

• Cooling - Fabtech Dual Pass Heat Exchanger V2 with Engine Bay Tank ($619)
• Airflow – Fabtech Intake System ($699)
• Tranny Tune for quicker shifting ($400)
• Traction – Wavetrac Differential ($1,095 Retail)

Questions:
• Am I nuts on these selections? (Cost Estimates Below)
• Shield the bottom of the stock airbox (avoid heat soak) versus the Intake? ($50 + Labor)
• Should I do a pulley wrap kit (more boost and better overall S/C behavior))? ($600)
• Should I do a different S/C pulley? If so, what size? ($500)
• Should I do a bigger crank pulley and go to a 175mm or 180mm? ($600+)

I have read some threads on crank pulley’s not making a big difference:
https://mbworld.org/forums/w211-amg/...hp-gain-4.html
“Dyno's email pertty much explains how to calc the s/c speed given the S/C pulley diameter and the crank pulley diameter. 13500rpm is operational peak of the s/c, most efficient area 8k-11k ... if you can max out at peak power with s/c rpm under 12k I think thats pretty much ideal... and that pulley size is 179mm!! aka ASP

So*
12000 at 6500 168 (no sweat)
12500 at 6500 175 (safe, and some margin)
12860 at 6500 180 (still safe, but not much margin)
13320 at 6500 186.5 (right on the operational limit)

At power peak assuming its arnd 6100
11260 at 6100 168 (no sweat), and better efficiency (40kw)
11750 at 6100 175 (nice, margin available) (43kw)
12000 at 6100 179 (seems ideal really) (45kw)
12500 at 6100 186.5 (heading for trouble if u keep hitting limiter I would say) (48kw)

So there is a ~5kw (~7hp) parasitic loss going from a 168 to a 180mm... not too bad....

You can do the same exersize using your power peak... so to me ideal is propably in 170-180 range - brings me back to the 175mm.”

Again my 2c....

On the other hand I have read threads on a big delta in the 168mm versus 180mm (36 hp)
https://mbworld.org/forums/w211-amg/...ize-boost.html

stock==========154mm=10psi(number depends on gear and rpm)
Rentech/kleeman=168mm=12.8psi=+42rwhp
Various========172mm=13.6psi=+54rwhp
VRP===========175mm=14.2psi=+63rwhp
Various========178mm=14.8psi=+72rwhp
Evosport=======180mm=15.2psi=+78rwhp

Thanks in advance for the advice! Looking for the best bang for the buck…
Videos will come in April when the cars come back out!

WideRide

In my opinion, I would skip the Fabtech intake altogether. The gain over the stock airbox is not worth $700.

I would consider converting to an 82mm TB to complete the 'more air in, more air out' setup. You have good ideas on cooling already so you're set there. Maybe throw on a smaller SC pulley like the 84mm. Would probably pair well with the 168 crank pulley.

MTV10

Nice post OP... looking forward to those videos.
Be careful with the Hellcat. I ran one when I was stock and got destroyed.

Ls1toAMG

If your wanting to beat a hellcat and trust me most run et streets Hoosiers etc. you need a lot of mods. I won't say you can't beat him with a 168 pulley and small underhood tank but I would put money on the hellcat. With tires a hellcat will run high tens on the street. I have seen them stock beat hurricanes new z06'and vipers. Bi turbos also even with tune. It's close but after 60-70 hp is hp and they have it. A 55k needs a 190cp long tubes 82tb or 90 the and posi to beat one.look e55'run mids 10,s max a hellcat can do that with a tune.

HeissRod

Hurricanes?

WideRide

I think maybe he meant Huracans?

Ls1toAMG

Yes Ipad spell check changed it twice.

BlackHammer

Thanks everyone who replied. I had to laugh when I read my original post tonight. It was terrible (life story, and way too long)...

Let me be clear; there is no way I think I am going to run with a Hellcat or a stock 662 HP GT 500. Anyone see the youtube on a Stage 2 E55 versus a GT500? Over 100 the GT500 ran away from the E55.

I would like to run neck/neck with a new F10 M5 or E63 Bi-Turbo to 120. Not sure if the 84mm paired with the 168mm, wrap kit, TCU tune, and cooling mods will do it! Thoughts?

Either way I will post videos when I run the Hellcat and A8. In a perfect world I do "before and after" videos of my mods...

TK

WideRide

Take a look at this article from a UK forum. Some "real world" tests of the 83mm and 77mm clutched pulleys vs stock, on the same car, with only a tune added. Pretty impressive numbers. I have only about 100 miles on my 77mm but it's unbelievable compared to stock....granted I have other mods too. I don't think you'll get to where you want to be without at least adding one of these pulleys to accompany your 168.

http://www.mbclub.co.uk/forums/amg-l...dyno-test.html

SilverStrk

This/\/\.. Look at my mods, the TB adds significant throttle response compared to stock.. Even with my mods I don't know if I could take a hellcat and I've taken A lot of cars.. More air in more air out and cooling is Essential for this car. There's a Fine line between boost and too much heat that's why I did the 168/84 combo.. Good luck and have fun...

RoadHazard

Minnesota huh?
If you're interested in some friendly roll-ons, count me in as competition!
Very interested in how your project will turn out, keep us updated! Best of luck!

Ls1toAMG

I love your mods and the advice you have given others. Have you raced a hellcat?
I'm troubled. I have seen them firsthand. I have not seen a 55k in years,
They are extreamly fast to 60. Under 3 sec. The only car of 30+ races that has beat it out of the hole was a tesla that's it.

SilverStrk

No have not raced one, not sure I would want to.. I raced a Tesla P85D and it got me off the line as I spun the tires, I reeled him in, But They are Fast off the line as they hook up Really Well.. If I raced a hellcat I would go from a roll and see what happens..

BagMan

I have the 83mm and 77mm pulleys. The low end torque from the 77 is insane!

However, it makes a lot of heat quickly and it's only good for about 2 gears worth of full throttle before I can feel the car pulling timing - in 85* ambient. I only have an upgraded HE (for now)

The 83mm feels strong most of the way through 3 gears for me. Doesn't quite have the torque, but won't fall on it's face as fast.

I guess my point is to make sure you take care of the cooling if you're going to add boost.

OP should do a bigger TB next regardless.

dchl21

• Cooling - Fabtech Dual Pass Heat Exchanger V2 with Engine Bay Tank ($619)


not sure

• Airflow – Fabtech Intake System ($699)


don't do it ..I think its stupid

• Tranny Tune for quicker shifting ($400)


sure but don't think necessary.

• Traction – Wavetrac Differential ($1,095 Retail)


I say no.

Questions:
• Am I nuts on these selections? (Cost Estimates Below)
• Shield the bottom of the stock airbox (avoid heat soak) versus the Intake? ($50 + Labor)


don't do it

• Should I do a pulley wrap kit (more boost and better overall S/C behavior))? ($600)


NO!

• Should I do a different S/C pulley? If so, what size? ($500)


YES . do a 83 or 84 with your 168cp

• Should I do a bigger crank pulley and go to a 175mm or 180mm? ($600+)


NO, just keep the 168 and add a small sc pulley , 550cc injectors, 82mmtb , re-tune and you will have a monster. also make sure you have cooling he/pump

Ls1toAMG

Ditto. If your racing from a dig and are going to run et streets or Hoosiers I would do the rear. If your roll racing not worth it. Heat will be the problem with a sc pulley. But the 168 is what you want for the crank. Gives you options to go mid and monster size with the combo. You will need a good pump and tank to start with. You should consider a meth kit. I wouldn't go bigger than an 82 sc pulley untill you have max cooling. The 84 would,be the best place to start really.

BlackHammer

NO, just keep the 168 and add a small sc pulley , 550cc injectors, 82mmtb , re-tune and you will have a monster. also make sure you have cooling he/pump[/QUOTE]

Thanks for the advice. It's almost exactly what I did. Here is the list:

Fabtech Dual Pass Heat Exchanger V2 with Engine Bay Tank
Meziere Pump
Eurocharged Tranny Tune
Eurocharged ECU (needed with the new mods)
Pulley Belt wrap kit
84mm s/c pulley
82mm TB & Custom Intake
550cc Bosch Injectors

With the 168 and headers I am hoping it runs good.

As a sidenote I never said my goal was to beat a a Hellcat. I would like to run with one and I plan to run my buddy and "tape" it but I don't think I'll beat him (6-speed)...

Thanks for all the help, fellas...

Ls1toAMG

Solid mods. Are you doing the H/E yourself?

BlackHammer

Heck no. A hot-shot mechanic (also a personal friend) is doing the work,

SilverStrk

Thanks for the advice. It's almost exactly what I did. Here is the list:

Fabtech Dual Pass Heat Exchanger V2 with Engine Bay Tank
Meziere Pump
Eurocharged Tranny Tune
Eurocharged ECU (needed with the new mods)
Pulley Belt wrap kit
84mm s/c pulley
82mm TB & Custom Intake
550cc Bosch Injectors

With the 168 and headers I am hoping it runs good.

As a sidenote I never said my goal was to beat a a Hellcat. I would like to run with one and I plan to run my buddy and "tape" it but I don't think I'll beat him (6-speed)...

Thanks for all the help, fellas...[/QUOTE]



After all the goodies are installed invest in a "Custom" dyno tune from Jerry so he can customize to your car.. All cars react differently to mods.. A lot need time to adapt after installation.. My 02. Made a Big difference in my car after my mods.. Good luck...