[Ace_HollyWood]

Guys, been reading the forums a lot lately and trying to figure out what makes the most sense for me;

I have n54 with FBO (cobb) + inlets

I would love a little more power, but don't want to change fuel pump or run meth. I have access to e85 and i always use 93 octane.

Should I get a dyno and have a custom map made for me?
Can I just use a little e85? is noticeable different?
What's necessary to get the most power while maintaining extreme reliability?

[Jnat]

1) Max out E85 meaning up to E35/40 on stock pump. 2) You need a custom map, pay someone to do it or do it yourself with ATR in Cobb as this will allow maximum efficiency ie: timing,boost and fuel. There's no magic, that's as far as you can take what you have.

[Chris@BoostConcepts]

Out of curiosity, what is the reasoning behind not wanting to change the fuel pump? E85 in higher concentrations with your mods makes for some really nice power gains.

[TGNY 335]

Get a custom tune. Adding some e85 to the tank increases octane. Thus increasing the capability to run more timing and boost and leaner AFRs

[BQTuning]

Either you want to or not your will have to change your LPFP. It is a necessity and preventive maintenance. I would rather see you upgrade to a Fuel-It Stage 2 LPFP than a custom tune

[jlcf22]

just use your cobb e30 map...5 gallons of e85 the rest with pump gas

[AaronZ34]

E85 is scary sh!t. It's not safe like gas. That's why they pumps are all yellow and stuff, just a warning to people that they might die.

Seriously. Go FBO plus stage 2 pump. Make 500hp.

[Chris@BoostConcepts]

E85 is ethanol alcohol same stuff you drink, not sure what scary about it, it far safer then gasoline for a motor due to its excellent cooling properties and higher octane rating. With a properly setup fuel pump its not really a concern. It may reduce life replacement of the HPFP, but they seem to die with pump gas only as well so that is a non issue from my perspective.

Best bang for the bucket his stage of mods is easily going to an e85 mix and bumping boost and timing for some nice gains.

[NA55]

You should be fine running Cobb OTS e30 maps or custom 93 tune.. An aggressive custom e30 tune may require LPFP upgrade..

[Jnat]

[QUOTE=BuraQ;19346292]Either you want to or not your will have to change your LPFP. It is a necessity and preventive maintenance. I would rather see you upgrade to a Fuel-It Stage 2 LPFP than a custom tune[/QUOTE

Agreed, my point is with his current set up, the Cobb maps even leave a lot on the table.

[Ace_HollyWood]

Originally Posted by BuraQ

Either you want to or not your will have to change your LPFP. It is a necessity and preventive maintenance. I would rather see you upgrade to a Fuel-It Stage 2 LPFP than a custom tune

So you recommend just getting the lpfp off the bat and then working with that?

Is it beneficial with just 92 octane gas, or do i then need to add e85 to maximize its use? I rather not be bothered with always having to find e85.

Title should say, "safe, cost efficient, and lazy"

[BQTuning]

Originally Posted by Ace_HollyWood

So you recommend just getting the lpfp off the bat and then working with that?

Is it beneficial with just 92 octane gas, or do i then need to add e85 to maximize its use? I rather not be bothered with always having to find e85.

Title should say, "safe, cost efficient, and lazy"

Get the Fuel-It Stage 2 LPFP, it doesnt matter if its for pump or E85 mix. When you do decide to get a custom tune you will be happy that you already have the upgraded fuel pump.

The Fuelt-It Stage 2 LPFP is for pump gas or E85 blends but no recommended for straight. You OTS maps will due just fine.

[Julian2485]

Originally Posted by BuraQ

Get the Fuel-It Stage 2 LPFP, it doesnt matter if its for pump or E85 mix. When you do decide to get a custom tune you will be happy that you already have the upgraded fuel pump.

The Fuelt-It Stage 2 LPFP is for pump gas or E85 blends but no recommended for straight. You OTS maps will due just fine.

O that's good to know. I thought you could run straight e85 with stage 2 lpfp

[NA55]

Originally Posted by Julian2485

O that's good to know. I thought you could run straight e85 with stage 2 lpfp

I think it's possible with a custom map..

[Chris@BoostConcepts]

A single walbro 450lph will outflow what the HPFP can keep up with from my experience in product development. About e65-e70 the HPFP starts dropping below safe pressures. E60 seems to be a nice safe zone to mix up, both pumps seem to be happy on a stock turbo FBO car.

I would definitely investigate LPFP upgrade options and probably look at making the jump from Cobb to MHD and all the wonderful benefits it provides.

Chris

[Julian2485]

I would get a Ivette lpfp upgrade kit

[3000GT MR]

Originally Posted by Julian2485

I would get a Ivette lpfp upgrade kit

Boost Concepts lpfp upgrade FTW!

[Julian2485]

Originally Posted by 3000GT MR

Boost Concepts lpfp upgrade FTW!

O yea

[Ace_HollyWood]

Originally Posted by Julian2485

O yea

Thank you everyone for the responses, sounds like getting a LPFP is a strong move prior to custom mapping. About to get my car back from body shop where it has been for 3 months after a deer incident.

Perhaps a LPFP in summer

[Ace_HollyWood]

Any recommendations for monitoring the level of e85 in the tank? bluetooth sensor and phone? or a std gauge?