Once ECU is unlocked

[A90Enemy]

I have a few questions as i’m unlocking my ECU next month and want to know where to go from there. Im going to be tuning with BM3 (I’m currently catless DP on JB4) and plans are next year go pure 850. I was thinking if i should upgrade the fuel pump to be able to run full E85 or do I need something else as well to run full E. I was thinking of doing this rather than doing meth and don’t really want to do port injection.

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[Extreme Power House]

It all depends on your power goals . Your tuner will give you an idea of how much you can get with either option as im assuming he will reach max stock fuel pump capacity with upgraded turbos and E85

 

[zrk]

Why would you not want port injection?

 

[32bitsofGil]

Why would you not want port injection?

I want to do the full intake but fuck I ain’t got $4k

 

[Jackyl tm]

To add to this, which tune should I go with? Mhd or bm3? They seem very similar.

 

[suicidaleggroll]

A new fuel pump by itself won't let you run full E85 on a Pure 850, not even close. You need port injection AND a LPFP.

 

[suicidaleggroll]

To add to this, which tune should I go with? Mhd or bm3? They seem very similar.

Ecutek. Do MHD or BM3 even support flex fuel, port injection, secondary LPFP, etc? Last I saw they didn't, but maybe things have changed.

 

[Jackyl tm]

Ecutek. Do MHD or BM3 even support flex fuel, port injection, secondary LPFP, etc? Last I saw they didn't, but maybe things have changed.

That would be ideal, but since I'm post June and don't have access to a reasonably priced ecu to clone, limited options for the time being.

 

[A90Enemy]

Why would you not want port injection?

after talking to a few plp i think the best direction is to go PI to set up for when i do the turbo i think it’s best option and also do fuel pump and run full E

 

[A90Enemy]

To add to this, which tune should I go with? Mhd or bm3? They seem very similar.

i will going BM3 i see mkre and more cars running it and i think you’ll have more variety in picking a tuner as well

 

[A90Enemy]

Ecutek. Do MHD or BM3 even support flex fuel, port injection, secondary LPFP, etc? Last I saw they didn't, but maybe things have changed.

BM3 supports all of it i know someone running it on BM3

 

[suicidaleggroll]

BM3 supports all of it i know someone running it on BM3

Do you know how he's doing it? The Motiv Reflex is the standard controller for port injection, and at least according to this thread it can't integrate with BM3:
https://www.supramkv.com/threads/injectors-for-intake-manifold.14089/

 

[Dr. Supra]

Why not mhd??
It comes with multiple ots and bm3 doesn't.

 

[A90Enemy]

Do you know how he's doing it? The Motiv Reflex is the standard controller for port injection, and at least according to this thread it can't integrate with BM3:
https://www.supramkv.com/threads/injectors-for-intake-manifold.14089/

there’s a few down here in miami if im not wrong running good don’t know if they’ve ran into problems but from what they’ve told me it’s all good

 

[A90Enemy]

Why not mhd??
It comes with multiple ots and bm3 doesn't.

i think if you’re going for just an it’s map mhd might be better they have a few and are good but if you want to go custom tune me personally i prefer BM3 and the tuners available for it as well. its preference at the end of the day it may be that you find a tuner you want and he only tunes with mhd or only with bm3 then you have to go with one of the two. it’s a factor of personal preference and what your tuner uses as well

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