K04/Hybrid & Big Turbo Support Group

[Mars2]

Getting dialed in!!!
Taking advantage of some cooler weather!




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Nice

[Mars2]

Hi, With my new turbo TTE450 and 100% E85 my Lpfp fuel pump is at flow limit. Fuel pump is AEM 340 E85

My Van has Fuel filter with integrated FPR at 6.6 bar.

To gain a bit of flow from my AEM340 fuel pump I was thinking to switch the OEM fuel filter @6.6bar to a GOLF R32 fuel Filter with integrated FPR @4.5Bar.

Do you think that make sense? Will the HPFP get enough pressure to work with 4.5bar?

Capture 2024-11-16 à 04.21.56.jpgCapture 2024-11-16 à 04.21.34.jpg

PS: on my Van I don't have low pressure sensor like you guy's have on B8 so with VCDS I can only see request Low fuel pressure

[Mars2]

Nobody has any thought on the above question?

[SNice]

Nobody has any thought on the above question?

Definitely not my area of expertise but how do you know your current LPFP is not up to the task? I thought the HPFP’s were the limitation - not the LP. Does your van have a different LPFP unit than the flex fuel b8.5?


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[Mars2]

Thank's for your answer.

On my Van I have the following for fueling:

- LPFP AEM 340L/H E85 special
- 034 HPFP Kit at 130 Bar
- Mabotech injector's.

MAF is 342G.s @6600Rpm, ( max Power) with 100% E85, At 6600 RPM 21° of timing. 416 WHP if Dyno is worth anything
I have EGT sensor on intake manifold. Max EGT I have see is 945°C after about 5 miles at WOT Uphill at around 240KM/H in 5TH gear ( 6000RPM. 5TH Gear is 40KMH/1000rpm on my DSG DQ500 7 gear)

To my understanding HPFP limitation is around 4000 Rpm
LPFP or Injector limitation is at redline.

I'm at fueling limitation at Redline around 6500 Rpm. have a hard time to keep with request AFR. Request is 0.79 I get 0.82.
Injector are about 6.5 m.s at 6500RPM

[weagle1856]

Anyone know if I would benefit from a HPFP upgrade if I have an APR K04 tune (running e85) ?

[JLAllroad]

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know if I would benefit from a HPFP upgrade if I have an APR K[emoji[emoji[emoji6]][emoji[emoji6]]][emoji[emoji[emoji[emoji6][emoji6]][emoji[emoji[emoji6]][emoji[emoji6]]]][emoji[emoji[emoji[emoji6][emoji6]][emoji[emoji[emoji6]][emoji[emoji6]]]][emoji[emoji6][emoji6]][emoji[emoji[emoji6]][emoji[emoji6][emoji6]]]][emoji[emoji6][emoji6]][emoji[emoji[emoji6][emoji6]][emoji[emoji[emoji6]][emoji[emoji6]]]]] tune (running e[emoji[emoji[emoji[emoji6][emoji6]][emoji[emoji[emoji6]][emoji[emoji6]]]][emoji[emoji[emoji[emoji6][emoji6]][emoji[emoji[emoji6]][emoji[emoji6]]]][emoji[emoji6][emoji6]][emoji[emoji[emoji6]][emoji[emoji6][emoji6]]]][emoji[emoji6][emoji6]][emoji[emoji[emoji[emoji6][emoji6]][emoji[emoji[emoji6]][emoji[emoji6]]]][emoji[emoji[emoji[emoji6][emoji6]][emoji[emoji[emoji6]][emoji[emoji6]]]][emoji[emoji6][emoji6]][emoji[emoji[emoji6]][emoji[emoji6][emoji6]]]][emoji[emoji6][emoji6]][emoji[emoji[emoji[emoji6][emoji6]][emoji[emoji[emoji6]][emoji[emoji6]]]][emoji[emoji[emoji[emoji6][emoji6]][emoji[emoji[emoji6]][emoji[emoji6]]]][emoji[emoji6][emoji6]][emoji[emoji[emoji6]][emoji[emoji6][emoji6]]]][emoji[emoji6][emoji6]][emoji[emoji[emoji6][emoji6]][emoji[emoji[emoji6]][emoji[emoji6]]]]]]][emoji[emoji[emoji[emoji6][emoji6]][emoji[emoji[emoji6]][emoji[emoji6]]]][emoji[emoji[emoji[emoji6][emoji6]][emoji[emoji[emoji6]][emoji[emoji6]]]][emoji[emoji6][emoji6]][emoji[emoji[emoji6]][emoji[emoji6][emoji6]]]][emoji[emoji6][emoji6]][emoji[emoji[emoji[emoji6][emoji6]][emoji[emoji[emoji6]][emoji[emoji6]]]][emoji[emoji6][emoji6]][emoji[emoji[emoji6]][emoji[emoji6][emoji6]]]]]) ?

The tune doesn’t request/require it, adding it would not be recommended.


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[AudiHere714]

Hey guys, which f23l turbo will work for a b8.5 2.0t? Everything just says b7 but will fit b8.

https://www.ebay.com/itm/28389945382...mis&media=COPY

[Shane Horning]

Hey guys, which f23l turbo will work for a b8.5 2.0t? Everything just says b7 but will fit b8.

https://www.ebay.com/itm/28389945382...mis&media=COPY

https://www.ebay.com/itm/16655087397...mis&media=COPY


One like this should be fine however id recommend swapping over your old n75 or put a new oem one on as the aftermarket ones on these turbos can cause inconsistent boost surges

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[jeezoshop]

Is there a consensus on the best k04 wastegate actuator? Ive heard the forge mentioned here many times but not the turbosmart iwg75 or any others. Turbosmart is generally reputable and the iwg75 is less expensive that the forge, anyone using it or others I should consider?

[Mars2]

Finaly got my car with TTE450 Turbo ( JH5 Hybrid) on dyno it make 487 Crank HP (Europe tradition 😃) or 423 WHP and 610NM (450LB:FT of torque) with 100% E85 that is 73 Crank HP more than my old JH5 hybrid similar to Original K04-064 ( i was laking 291G.s of MAF)
Need to get make some draggy now to see how much time I shave on 1/4 mile before ned of Boost season.

[GodStang]

What type of diverter valve are you bigger turbo guys using? The JHM kit uses a vacuum operated TurboSmart. Was wondering thoughts on running a vacuum one versus running the stock electric type controlled by the ECU.

[beatsageo]

I use a turbosmart electronic version. They are the same though the electric version maybe is more reliable and one less boost leak/hose to pop off.

[beatsageo]

Does anyone have recent experience with a mabotech install? I am considering a M5xx kit solely because I already use Eurodyne. I am curious about hardware quality, customer support, and tune from them. I really dont want to have to debug a buggy misfire tune. Max power is important, but I need to be able to DD the car.

[bb-tt]

Does anyone have recent experience with a mabotech install? I am considering a M5xx kit solely because I already use Eurodyne. I am curious about hardware quality, customer support, and tune from them. I really dont want to have to debug a buggy misfire tune. Max power is important, but I need to be able to DD the car.