Got on the dyno today.....not all good news
Thread Starter
Super Member
Joined: Dec 2012
Posts: 503
Likes: 3
From: Houston, TX
W211 E55
Got on the dyno today.....not all good news
Went out this morning to run and see where she is currently putting down. Run conditions were 87°F with 26% humidity on a dynojet. Ran the car at operating temp since I showed up a little late. I did also notice when I showed up that my pump finally took a dive so I'm sure my IAT's were out the roof.
With all that said I put down 439rwhp and 481rwtq.
Current mods being EC injectors, looped rail, EC long tube headers 82mm tb, and SC pulley. Also on a box tune set for everything except the headers. A little disappointed but I'm sure with the new pump, H/E, and dyno tune should see good improvement.
With all that said I put down 439rwhp and 481rwtq.
Current mods being EC injectors, looped rail, EC long tube headers 82mm tb, and SC pulley. Also on a box tune set for everything except the headers. A little disappointed but I'm sure with the new pump, H/E, and dyno tune should see good improvement.
Last edited by SPatykAMG; Apr 13, 2013 at 11:46 PM.
MBWorld Fanatic!
Joined: Aug 2007
Posts: 2,596
Likes: 5
From: Jacksonville, FL
05 White Pano E55, Cadillac CTS-V
I just dynoed recently on a dynojet and have Kleeman headers with no cats and supercharger pulley along with an 80mm throttle body with the shaft grinded down. I run the old red Eurocharged injectors. I had a tune flashed and noticed a good bit of black smoke from exhaust when getting on it.
When we did the first dyno run the air/fuel jumped down to 10:1 so clearly way to rich. I also only hit 444whp and temps were in the upper 70s. I contacted Jerry sending him the dyno graph and he adjusted the tune and we loaded a new one with the new Euro-Flash V2 software. This run was done about 20-25 minutes later and the car did 473whp and then we did another run 1-2 minutes later and it did 478whp then finally again one last run 1 minute later and it did 472whp. These were with Correction set to "uncorrected" and smoothing 5.
Jerry said the car should adapt some with driving (100 miles or so) and the power could go up slightly so I am going to dyno again soon out of curiousity even though the weater is going to be in the upper 80s now most likely.
So I would say to you, look in the mirror and see if you are dumping a ton of fuel (lots of black smoke) when you go from cruising to punching the throttle or just a small amount. Mine like I said was putting out a pretty good cloud behind me until the tune was adjusted to run in the upper 11s. Jerry said the tune has usually been pretty good with the initial flash but I guess some cars need some tweaking and mine picked up over 30whp.
When we did the first dyno run the air/fuel jumped down to 10:1 so clearly way to rich. I also only hit 444whp and temps were in the upper 70s. I contacted Jerry sending him the dyno graph and he adjusted the tune and we loaded a new one with the new Euro-Flash V2 software. This run was done about 20-25 minutes later and the car did 473whp and then we did another run 1-2 minutes later and it did 478whp then finally again one last run 1 minute later and it did 472whp. These were with Correction set to "uncorrected" and smoothing 5.
Jerry said the car should adapt some with driving (100 miles or so) and the power could go up slightly so I am going to dyno again soon out of curiousity even though the weater is going to be in the upper 80s now most likely.
So I would say to you, look in the mirror and see if you are dumping a ton of fuel (lots of black smoke) when you go from cruising to punching the throttle or just a small amount. Mine like I said was putting out a pretty good cloud behind me until the tune was adjusted to run in the upper 11s. Jerry said the tune has usually been pretty good with the initial flash but I guess some cars need some tweaking and mine picked up over 30whp.
Trending Topics
MB World Stories
The Best of Mercedes & AMG
Manual Mercedes? 6 Times Sindelfingen Let Drivers Have All The Fun
Verdad Gallardo
Mercedes SLR McLaren 722 S Is Extremely Rare Example Modified by McLaren
Verdad Gallardo
8 Classic Boxy Mercedes Designs That Have Aged Like Fine Wine
Verdad Gallardo
Flawlessly Restored Mercedes 190E Evo II Heads to Auction
Verdad Gallardo
Electric Mercedes C-Class Unveiled: 11 Things You Need to Know
Verdad Gallardo
Mercedes EQS Gets A Major Update: Everything You Need to Know
Verdad Gallardo
5 Underrated Mercedes-Benz Models That Don't Get the Love They Deserve
Verdad Gallardo
Mercedes 300D Has Pushed Well Past 1 Million Miles and It Ain't Stopping
Verdad Gallardo
10 Most Reliable Mercedes-Benz Models You Can Buy Used
Verdad Gallardo
Thread Starter
Super Member
Joined: Dec 2012
Posts: 503
Likes: 3
From: Houston, TX
W211 E55
I just dynoed recently on a dynojet and have Kleeman headers with no cats and supercharger pulley along with an 80mm throttle body with the shaft grinded down. I run the old red Eurocharged injectors. I had a tune flashed and noticed a good bit of black smoke from exhaust when getting on it.
When we did the first dyno run the air/fuel jumped down to 10:1 so clearly way to rich. I also only hit 444whp and temps were in the upper 70s. I contacted Jerry sending him the dyno graph and he adjusted the tune and we loaded a new one with the new Euro-Flash V2 software. This run was done about 20-25 minutes later and the car did 473whp and then we did another run 1-2 minutes later and it did 478whp then finally again one last run 1 minute later and it did 472whp. These were with Correction set to "uncorrected" and smoothing 5.
Jerry said the car should adapt some with driving (100 miles or so) and the power could go up slightly so I am going to dyno again soon out of curiousity even though the weater is going to be in the upper 80s now most likely.
So I would say to you, look in the mirror and see if you are dumping a ton of fuel (lots of black smoke) when you go from cruising to punching the throttle or just a small amount. Mine like I said was putting out a pretty good cloud behind me until the tune was adjusted to run in the upper 11s. Jerry said the tune has usually been pretty good with the initial flash but I guess some cars need some tweaking and mine picked up over 30whp.
When we did the first dyno run the air/fuel jumped down to 10:1 so clearly way to rich. I also only hit 444whp and temps were in the upper 70s. I contacted Jerry sending him the dyno graph and he adjusted the tune and we loaded a new one with the new Euro-Flash V2 software. This run was done about 20-25 minutes later and the car did 473whp and then we did another run 1-2 minutes later and it did 478whp then finally again one last run 1 minute later and it did 472whp. These were with Correction set to "uncorrected" and smoothing 5.
Jerry said the car should adapt some with driving (100 miles or so) and the power could go up slightly so I am going to dyno again soon out of curiousity even though the weater is going to be in the upper 80s now most likely.
So I would say to you, look in the mirror and see if you are dumping a ton of fuel (lots of black smoke) when you go from cruising to punching the throttle or just a small amount. Mine like I said was putting out a pretty good cloud behind me until the tune was adjusted to run in the upper 11s. Jerry said the tune has usually been pretty good with the initial flash but I guess some cars need some tweaking and mine picked up over 30whp.
