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      09-09-2020, 06:51 PM   #23
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Quote:
Originally Posted by chewbakam4 View Post
Isn't this thread about the Spool product? Why ask about XDI here
This is not a vendor product showcase. OP talks about both upgrades, which is how is see this thread - HPFP upgrade discussion. If anything, XDI product has been mentioned more than Spool.
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      09-29-2020, 05:08 PM   #24
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Quote:
Originally Posted by R8T3D_M View Post
any updates on this? anyone try out the kit yet? how beneficial is this kit without upgrading injectors?
We have a couple of Spool kits that will be going on a couple of builds here shortly. Updates to follow once on the dyno:

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      09-29-2020, 09:50 PM   #25
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awesome. fuck port injection and split second controllers
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      09-29-2020, 10:31 PM   #26
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Finally get to see them out in the wild. Looking forward to the results!
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      09-30-2020, 11:34 AM   #27
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Sounds promising! Can't wait to hear more about it.

Ian from Bend Calibration is helping me tune a max effort map on E50 and so far the car loves it. I tried E60 and the pump was showing signs of pressure loss. So we went back to E50 for now. Before meth.

And yes I've head there is a work around that some tuners use to run full E85 by lowering load limits etc. But, the true limit of the fuel system is E60.
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      09-30-2020, 01:19 PM   #28
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Quote:
Originally Posted by papasmurf_m3 View Post
Sounds promising! Can't wait to hear more about it.

Ian from Bend Calibration is helping me tune a max effort map on E50 and so far the car loves it. I tried E60 and the pump was showing signs of pressure loss. So we went back to E50 for now. Before meth.

And yes I've head there is a work around that some tuners use to run full E85 by lowering load limits etc. But, the true limit of the fuel system is E60.
True Limit of the fuel system is E60 on stock turbos?
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      09-30-2020, 01:37 PM   #29
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Quote:
Originally Posted by Sukir View Post
True Limit of the fuel system is E60 on stock turbos?
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      09-30-2020, 05:26 PM   #30
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Dorch Engineering I believe was doing R&D on an S55 solution before COVID-19 brought those efforts to a halt.

Helped a buddy install a used but BNIB Dorch HPFP (Stage 2) in his 2018 N55 M2 and the product seemed to be constructed well .... except for the 2 aluminum hex bolts that came with the kit. Seems kinda weak for a really mission critical part. Would have preferred to see something like an ARP head stud design to securely fastened a HPFP down. Just my $0.02.
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      09-30-2020, 05:39 PM   #31
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Quote:
Originally Posted by FriedPiston View Post
Quote:
Originally Posted by Sukir View Post
True Limit of the fuel system is E60 on stock turbos?
Must have really good pump gas wherever that is. Please don't tell me it's 91 octane.

I personally wouldn't try to go far beyond 600whp on 93 octane pump gas (built motor or not, stock turbo or upgraded, water meth or no water meth, upgraded crank hub or stock crank hub) .... so certainly kudos to that tuner for being on the edge of the efficient frontier.
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      10-01-2020, 02:44 AM   #32
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Quote:
Originally Posted by Sukir View Post
Quote:
Originally Posted by papasmurf_m3 View Post
Sounds promising! Can't wait to hear more about it.

Ian from Bend Calibration is helping me tune a max effort map on E50 and so far the car loves it. I tried E60 and the pump was showing signs of pressure loss. So we went back to E50 for now. Before meth.

And yes I've head there is a work around that some tuners use to run full E85 by lowering load limits etc. But, the true limit of the fuel system is E60.
True Limit of the fuel system is E60 on stock turbos?
The hpfp starts crashing after e60.

It's not dependent on hardware it's the ethanol content and limitations of the factory fuel system.
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      10-01-2020, 04:54 AM   #33
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Quote:
Originally Posted by papasmurf_m3 View Post
The hpfp starts crashing after e60.

It's not dependent on hardware it's the ethanol content and limitations of the factory fuel system.
sorry I must differ, I had several customers using just e85 pump or VP X85, no WMI, just MHD+JB4 or BM3+JB4, no issues, no fault +131mph trap speed.
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      10-01-2020, 09:15 AM   #34
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Quote:
Originally Posted by papasmurf_m3 View Post
Quote:
Originally Posted by Sukir View Post
Quote:
Originally Posted by papasmurf_m3 View Post
Sounds promising! Can't wait to hear more about it.

Ian from Bend Calibration is helping me tune a max effort map on E50 and so far the car loves it. I tried E60 and the pump was showing signs of pressure loss. So we went back to E50 for now. Before meth.

And yes I've head there is a work around that some tuners use to run full E85 by lowering load limits etc. But, the true limit of the fuel system is E60.
True Limit of the fuel system is E60 on stock turbos?
The hpfp starts crashing after e60.

It's not dependent on hardware it's the ethanol content and limitations of the factory fuel system.
Papa,
Do you know where in the RPM band the stock HPFPs become unable to provide enough fuel when using E85? I would like to run E85 without mixing and stay in the powerband. The only issue I've heard of is topping out of fuel supply so just don't rev too high when racing.
-TJ
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      10-01-2020, 09:58 AM   #35
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I’ve been hearing of these leaking. Anyone have this issue?
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      10-01-2020, 01:57 PM   #36
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Quote:
Originally Posted by papasmurf_m3 View Post
Sounds promising! Can't wait to hear more about it.

Ian from Bend Calibration is helping me tune a max effort map on E50 and so far the car loves it. I tried E60 and the pump was showing signs of pressure loss. So we went back to E50 for now. Before meth.

And yes I've head there is a work around that some tuners use to run full E85 by lowering load limits etc. But, the true limit of the fuel system is E60.
True limit is not E60...at the current load your tuner is tuning your car at, it has shown signs of HPFP pressure dipping and is all part of the tuning process at the moment. There are a bunch of things a tuner can do to improve this and also adjust loads appropriately. When you are tuning for maximum power at E50 and you crank it up to E60+ without the tuners request, then you can expect to run into a limit at that level if you haven't already maximized/logged things at that level. With Ecutek, loads can be varied by ethanol content whereas it's not possible on standard flash tunes via BM3/MHD/etc...
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      10-01-2020, 06:10 PM   #37
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Quote:
Originally Posted by TopJimmy View Post
Quote:
Originally Posted by papasmurf_m3 View Post
Quote:
Originally Posted by Sukir View Post
Quote:
Originally Posted by papasmurf_m3 View Post
Sounds promising! Can't wait to hear more about it.

Ian from Bend Calibration is helping me tune a max effort map on E50 and so far the car loves it. I tried E60 and the pump was showing signs of pressure loss. So we went back to E50 for now. Before meth.

And yes I've head there is a work around that some tuners use to run full E85 by lowering load limits etc. But, the true limit of the fuel system is E60.
True Limit of the fuel system is E60 on stock turbos?
The hpfp starts crashing after e60.

It's not dependent on hardware it's the ethanol content and limitations of the factory fuel system.
Papa,
Do you know where in the RPM band the stock HPFPs become unable to provide enough fuel when using E85? I would like to run E85 without mixing and stay in the powerband. The only issue I've heard of is topping out of fuel supply so just don't rev too high when racing.
-TJ
Hey Tommy,

Well on my car it was around 6k rpm. But, I'm in the middle of the tuning process using ecutek flex fuel. So, that may be different for you my friend.

I've heard the bm3 tuners can lower load limits to get higher ethanol content without pumps crashing.
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      10-06-2020, 01:43 PM   #38
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Quote:
Originally Posted by luchocamp View Post
Quote:
Originally Posted by papasmurf_m3 View Post
The hpfp starts crashing after e60.

It's not dependent on hardware it's the ethanol content and limitations of the factory fuel system.
sorry I must differ, I had several customers using just e85 pump or VP X85, no WMI, just MHD+JB4 or BM3+JB4, no issues, no fault +131mph trap speed.
I can only speak from my experience lucho. My pumps were showing signs of crashing at around E55 but, I'm using Ecutek. So it's quite different then mhd and bm3.
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      10-08-2020, 08:15 AM   #39
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Quote:
Originally Posted by tom @ eas View Post
Quote:
Originally Posted by R8T3D_M View Post
any updates on this? anyone try out the kit yet? how beneficial is this kit without upgrading injectors?
We have a couple of Spool kits that will be going on a couple of builds here shortly. Updates to follow once on the dyno:

Are your clients going with the LPFP as well?
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      10-08-2020, 12:34 PM   #40
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Are your clients going with the LPFP as well?
Have a M4 getting a Carbahn Stage 2 motor and bigger turbos that will be getting the Spool HPFP/LPFP combo soon.
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      10-08-2020, 12:39 PM   #41
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Quote:
Originally Posted by ///BMW Junkie View Post
Are your clients going with the LPFP as well?
Have a M4 getting a Carbahn Stage 2 motor and bigger turbos that will be getting the Spool HPFP/LPFP combo soon.
Ok. I have PS2+ and was wondering if just the Spool HPFP will be sufficient to run full E85 (no meth)?
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      10-08-2020, 12:52 PM   #42
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Quote:
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Ok. I have PS2+ and was wondering if just the Spool HPFP will be sufficient to run full E85 (no meth)?
HPFPs are bring installed today on a M4 with Pure S2 turbos going on the dyno with Cary sometime next week.

It's still new territory, so there will be some trial and error on the dyno. The current methanol system will be disabled for the time being to see how the Spools perform on their own and determine if its even needed at all.
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      10-09-2020, 09:24 PM   #43
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Quote:
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HPFPs are bring installed today on a M4 with Pure S2 turbos going on the dyno with Cary sometime next week.
...The current methanol system will be disabled for the time being to see how the Spools perform on their own and determine if its even needed at all.

Looking forward to seeing what happens! I've planned a similar build of Hybrids+Spool+CustomE85.
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      10-10-2020, 03:35 AM   #44
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Quote:
Originally Posted by tom @ eas View Post
HPFPs are bring installed today on a M4 with Pure S2 turbos going on the dyno with Cary sometime next week.

It's still new territory, so there will be some trial and error on the dyno. The current methanol system will be disabled for the time being to see how the Spools perform on their own and determine if its even needed at all.
So what's being done to the other parts of the fuel system like lines and injectors?
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