C63 black series N/A BEAST
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Joined: Jun 2013
Posts: 660
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c63 coupe p31weistec stg3 SOLD,2013 C63 BLACK SERIES.
C63 black series N/A BEAST
Finally dialed in the car
ARH & XPIPE
RENNTECH AIRBOX
STOCK INJECTORS
FULL E85 (pump e85)
WEIGHT REDUCTION
STOCK WHEELS PSS TIRES
8.1 60-130
REDOING THE EXHAUST THIS WEEK AT ARH FULL 3INCH REAR.
CAR IS GINTANI TUNED ON FULL E85
LOGGING WITH DASHDAQ SHORT TERM FUEL TRIM IN CHECK.
NO FLEX FUEL OR INJECTORS NEEDED HERE.
ARH & XPIPE
RENNTECH AIRBOX
STOCK INJECTORS
FULL E85 (pump e85)
WEIGHT REDUCTION
STOCK WHEELS PSS TIRES
8.1 60-130
REDOING THE EXHAUST THIS WEEK AT ARH FULL 3INCH REAR.
CAR IS GINTANI TUNED ON FULL E85
LOGGING WITH DASHDAQ SHORT TERM FUEL TRIM IN CHECK.
NO FLEX FUEL OR INJECTORS NEEDED HERE.
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Joined: Nov 2004
Posts: 6,697
Likes: 382
2005 E55
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Joined: Jan 2018
Posts: 415
Likes: 109
From: Whitehouse Station, NJ
2012 C63 P31 Sedan
True, but you need a good source if you're running without a sensor. Unfortunately most of the pump E85 in the US varies wildly in ethanol content. The flex fuel sensor accommodates fueling as needed, although only a tune can take advantage of more aggressive timing.
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Posts: 409
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c63
Full e85 can be run without a flex fuel kit but now the car isn’t flex. That’s the whole point behind them. Car now is married to e85. And yes now you have to monitor ethanol content to accommodate timing. More of a headache imo. Duty bias on the stock injectors are probably pinned at 95% at WOT. When the Bosch ecu sees that it would actually pull timing since it thinks it’s running out of fuel and you’d lose power. With every action there’s a reaction on these cars. 1+1 never equals 2.
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Joined: Nov 2004
Posts: 6,697
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2005 E55
I've had best results on oe 104 map with 5 gallons ms109/ms100 and half gallon c85. Car runs insanely well.
Good luck with the people running 630cc injectors and a flex fuel kit without tuning.
There is no freaking way the car will run well on that setup.it will use so much fuel. My trims were minus 40 on both banks with only a mix of 40% ethanol.
Good luck with the people running 630cc injectors and a flex fuel kit without tuning.
There is no freaking way the car will run well on that setup.it will use so much fuel. My trims were minus 40 on both banks with only a mix of 40% ethanol.
Senior Member
Joined: Aug 2018
Posts: 409
Likes: 162
c63
I've had best results on oe 104 map with 5 gallons ms109/ms100 and half gallon c85. Car runs insanely well.
Good luck with the people running 630cc injectors and a flex fuel kit without tuning.
There is no freaking way the car will run well on that setup.it will use so much fuel. My trims were minus 40 on both banks with only a mix of 40% ethanol.
Good luck with the people running 630cc injectors and a flex fuel kit without tuning.
There is no freaking way the car will run well on that setup.it will use so much fuel. My trims were minus 40 on both banks with only a mix of 40% ethanol.
Vrp sells the wrong injectors. What do you expect when he doesn’t test ****.
Last edited by PeterA90; Aug 28, 2019 at 12:37 PM.
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Joined: Jun 2013
Posts: 660
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c63 coupe p31weistec stg3 SOLD,2013 C63 BLACK SERIES.
Full e85 can be run without a flex fuel kit but now the car isn’t flex. That’s the whole point behind them. Car now is married to e85. And yes now you have to monitor ethanol content to accommodate timing. More of a headache imo. Duty bias on the stock injectors are probably pinned at 95% at WOT. When the Bosch ecu sees that it would actually pull timing since it thinks it’s running out of fuel and you’d lose power. With every action there’s a reaction on these cars. 1+1 never equals 2.
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Joined: Aug 2018
Posts: 409
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c63
lol hopefully that’s a typo. The setup your running is on the ragged edge of n/a and what stock components can put out. Never said the car isn’t performing.
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Posts: 660
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c63 coupe p31weistec stg3 SOLD,2013 C63 BLACK SERIES.
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From: Worldwide
2007 Mercedes E63 AMG
I've had best results on oe 104 map with 5 gallons ms109/ms100 and half gallon c85. Car runs insanely well.
Good luck with the people running 630cc injectors and a flex fuel kit without tuning.
There is no freaking way the car will run well on that setup.it will use so much fuel. My trims were minus 40 on both banks with only a mix of 40% ethanol.
Good luck with the people running 630cc injectors and a flex fuel kit without tuning.
There is no freaking way the car will run well on that setup.it will use so much fuel. My trims were minus 40 on both banks with only a mix of 40% ethanol.
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Joined: Feb 2011
Posts: 1,752
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From: London, UK
W212 - E63 AMG
Finally dialed in the car
ARH & XPIPE
RENNTECH AIRBOX
STOCK INJECTORS
FULL E85 (pump e85)
WEIGHT REDUCTION
STOCK WHEELS PSS TIRES
8.1 60-130
REDOING THE EXHAUST THIS WEEK AT ARH FULL 3INCH REAR.
CAR IS GINTANI TUNED ON FULL E85
LOGGING WITH DASHDAQ SHORT TERM FUEL TRIM IN CHECK.
NO FLEX FUEL OR INJECTORS NEEDED HERE.
https://youtu.be/68saj5yi4xc
ARH & XPIPE
RENNTECH AIRBOX
STOCK INJECTORS
FULL E85 (pump e85)
WEIGHT REDUCTION
STOCK WHEELS PSS TIRES
8.1 60-130
REDOING THE EXHAUST THIS WEEK AT ARH FULL 3INCH REAR.
CAR IS GINTANI TUNED ON FULL E85
LOGGING WITH DASHDAQ SHORT TERM FUEL TRIM IN CHECK.
NO FLEX FUEL OR INJECTORS NEEDED HERE.
https://youtu.be/68saj5yi4xc
Also.....37 degree's!?
Thread Starter
Super Member
Joined: Jun 2013
Posts: 660
Likes: 110
c63 coupe p31weistec stg3 SOLD,2013 C63 BLACK SERIES.
got a track rental coming up on the 24th let’s see what it does.
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Joined: Mar 2016
Posts: 1,625
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From: Houston, TX
Built 2008 G55 & one big 80 Series LandCruiser !
Congrats - great #'s....... Shardul's underdrive kit and billet pulley's worked really well in my car - worth doing it all while you're in there....
I sure wish VRP would post some support backup info for their TB's....... I'd like the 85mm setup and think given I'm running E85 all the time that it would be a decent gain but...... have yet to see an actual set installed by a member much less dyno or documents...
E
I sure wish VRP would post some support backup info for their TB's....... I'd like the 85mm setup and think given I'm running E85 all the time that it would be a decent gain but...... have yet to see an actual set installed by a member much less dyno or documents...
E
Thread Starter
Super Member
Joined: Jun 2013
Posts: 660
Likes: 110
c63 coupe p31weistec stg3 SOLD,2013 C63 BLACK SERIES.
Congrats - great #'s....... Shardul's underdrive kit and billet pulley's worked really well in my car - worth doing it all while you're in there....
I sure wish VRP would post some support backup info for their TB's....... I'd like the 85mm setup and think given I'm running E85 all the time that it would be a decent gain but...... have yet to see an actual set installed by a member much less dyno or documents...
E
I sure wish VRP would post some support backup info for their TB's....... I'd like the 85mm setup and think given I'm running E85 all the time that it would be a decent gain but...... have yet to see an actual set installed by a member much less dyno or documents...
E
