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Technical Topics B58 6-Cylinder Turbo Engine / Drivetrain / Exhaust Modifications Need help

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      12-11-2020, 12:57 PM   #1
Justanotherm340
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Need help

Looking to upgrade my hpfp for my G20 M340 I've seen the stage 2 pumps for 2019 models and lower but nothing for 2020 anyone can point me in the right direction..
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      12-11-2020, 02:10 PM   #2
chenry
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Not a lot (if any) talk here of something beyond our existing B58TU pumps. That said:
  • curious what you are doing that will necessitate another HPFP?
  • suggestion: take a look at some of the A90 Supra forums - those guys are, not surprisingly, pushing things beyond your typical M340 owner and I find their tech forums to be a wealth of information regarding what is the latest and greatest new upgrades for the B58TU platform

Hope this helps a bit
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      12-11-2020, 02:12 PM   #3
Justanotherm340
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Here's why I'm asking

Quote:
Originally Posted by chenry View Post
Not a lot (if any) talk here of something beyond our existing B58TU pumps. That said:
  • curious what you are doing that will necessitate another HPFP?
  • suggestion: take a look at some of the A90 Supra forums - those guys are, not surprisingly, pushing things beyond your typical M340 owner and I find their tech forums to be a wealth of information regarding what is the latest and greatest new upgrades for the B58TU platform

Hope this helps a bit
That fuel pump on this a90 Supra is not the stock tu pump wonder why the switched to a stage 2 from what I'm guessing that it
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      12-11-2020, 02:19 PM   #4
chenry
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Quote:
Originally Posted by Justanotherm340 View Post
That fuel pump on this a90 Supra is not the stock tu pump wonder why the switched to a stage 2 from what I'm guessing that it
A dorch stage 1 or 2 pump is going to have better flow vs the B58TU pump. That said in terms of hardware/software compatibility I have no idea.

I could imagine a scenario where someone is running a big turbo (as an example) and is pushing beyond 600ish WHP....at that point fueling would likely need to be addressed so maybe that was the reason why?
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      12-11-2020, 03:14 PM   #5
M340_pilot
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Found this chart. Can't confirm the numbers but it's a starting point
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      12-28-2020, 07:19 PM   #6
bSwiazzy
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https://dorchengineering.com/product...-hpfp-upgrade/
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2015 Honda Civic Si // FBO + Hondata // Retired
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2020 M340i // Stage 2 // Retired
2021 X3M // RGSport Midpipe + MSS + RaceChipGTS // Retired
2016 Rav4
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      12-28-2020, 09:03 PM   #7
M340_pilot
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Quote:
Originally Posted by bSwiazzy View Post
I was looking at these pumps as well and unfortunately this is halfway down the webpage:

* ONLY UP TO 2019 Model Year
KIT NOT COMPATIBLE with 2020+ B58 Vehicles
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