JB4 map 2 17lbs of boost...?

Drpoomanchu · 06-09-2016, 11:07 AM

Quote:

Originally Posted by BentZero

Quote:

Originally Posted by Drpoomanchu

Steve replied to my logs and said all looked normal but could use some octane. I added 2gal of E85 to roughly 11.5 gal of 93 and tried some 3rd gear pulls today...looks like its targeting around 15-16 psi. Feels smooth and power comes in nicely. I will post them soon on N54tech. Next fuel up ill try closer to 2.5 gal of E85 to 11-11.5 gal 93 and see how she likes it..

Sorry for the n00b question, but where do you get E85?

If you have a Krogers or Meijers most of those sell E85. I get mine T Krogers

OpenAir · 06-09-2016, 11:44 AM

I'm going to chime in here as I still don't understand why so many are running E85 blends over Premium 93 Octane. I've read that Ethanol’s true octane value is in the range of 94-96 (R+M)/2.

1-3 Octane makes that much difference? If it does, why not just run pure E85 and call it a day? Something with the turbo's?

I'm ready to learn something new today...

Drpoomanchu · 06-09-2016, 11:50 AM

Quote:

Originally Posted by OpenAir

I'm going to chime in here as I still don't understand why so many are running E85 blends over Premium 93 Octane. I've read that Ethanol’s true octane value is in the range of 94-96 (R+M)/2.

1-3 Octane makes that much difference? If it does, why not just run pure E85 and call it a day? Something with the turbo's?

I'm ready to learn something new today...

Someone correct me if im wrong but It takes roughly 30% more E85 to equal gasoline part for part which requires more volume of fuel in part raising the demand of the fuel system. The love for E85 comes from a cooler burn and higher octane raising the threshold for detonation and ultimately allowing higher boost levels.

BentZero · 06-12-2016, 07:55 PM

Quote:

Originally Posted by Drpoomanchu

Quote:

Originally Posted by BentZero

Quote:

Originally Posted by Drpoomanchu

Steve replied to my logs and said all looked normal but could use some octane. I added 2gal of E85 to roughly 11.5 gal of 93 and tried some 3rd gear pulls today...looks like its targeting around 15-16 psi. Feels smooth and power comes in nicely. I will post them soon on N54tech. Next fuel up ill try closer to 2.5 gal of E85 to 11-11.5 gal 93 and see how she likes it..

Sorry for the n00b question, but where do you get E85?

If you have a Krogers or Meijers most of those sell E85. I get mine T Krogers

Seems like the closest place is like 30mins away.

Drpoomanchu · 06-13-2016, 02:21 AM

Quote:

Originally Posted by BentZero

Quote:

Originally Posted by Drpoomanchu

Quote:

Originally Posted by BentZero

Quote:

Originally Posted by Drpoomanchu

Steve replied to my logs and said all looked normal but could use some octane. I added 2gal of E85 to roughly 11.5 gal of 93 and tried some 3rd gear pulls today...looks like its targeting around 15-16 psi. Feels smooth and power comes in nicely. I will post them soon on N54tech. Next fuel up ill try closer to 2.5 gal of E85 to 11-11.5 gal 93 and see how she likes it..

Sorry for the n00b question, but where do you get E85?

If you have a Krogers or Meijers most of those sell E85. I get mine T Krogers

Seems like the closest place is like 30mins away.

Grab a 55 gallon drum and keep it in your garage. Not sure how long it keeps but might be doable..

BentZero · 06-15-2016, 05:00 PM

Quote:

Originally Posted by Drpoomanchu

Quote:

Originally Posted by BentZero

Quote:

Originally Posted by Drpoomanchu

Quote:

Originally Posted by BentZero

Quote:

Originally Posted by Drpoomanchu

Steve replied to my logs and said all looked normal but could use some octane. I added 2gal of E85 to roughly 11.5 gal of 93 and tried some 3rd gear pulls today...looks like its targeting around 15-16 psi. Feels smooth and power comes in nicely. I will post them soon on N54tech. Next fuel up ill try closer to 2.5 gal of E85 to 11-11.5 gal 93 and see how she likes it..

Sorry for the n00b question, but where do you get E85?

If you have a Krogers or Meijers most of those sell E85. I get mine T Krogers

Seems like the closest place is like 30mins away.

Grab a 55 gallon drum and keep it in your garage. Not sure how long it keeps but might be doable..

I'll be sure that it's red too

m235iMike · 06-19-2016, 10:55 AM

is map 2 ok to use with just an intake? i seem to be getting about 17psi too but only with an intake

Anthony235 · 06-20-2016, 10:38 AM

Quote:

Originally Posted by m235iMike

is map 2 ok to use with just an intake? i seem to be getting about 17psi too but only with an intake

BMS recommends a downpipe with their map 2, but some cars can still do it without one as long as it has good gas.

post a log.

06-09-2016, 11:44 AM	#24
OpenAir Captain 432 Rep 887 Posts Drives: Enzo F23 228i Join Date: May 2015 Location: MD, USA iTrader: (1) Garage List 2015 BMW 228i [0.00]	I'm going to chime in here as I still don't understand why so many are running E85 blends over Premium 93 Octane. I've read that Ethanol’s true octane value is in the range of 94-96 (R+M)/2. 1-3 Octane makes that much difference? If it does, why not just run pure E85 and call it a day? Something with the turbo's? I'm ready to learn something new today...
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06-19-2016, 10:55 AM	#29
m235iMike Private 70 Rep 94 Posts Drives: 2015 m235i, 94 Supra, 03 Evo Join Date: Nov 2014 Location: Long Island, New York iTrader: (0)	is map 2 ok to use with just an intake? i seem to be getting about 17psi too but only with an intake
	Appreciate 0 Quote