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  #221  
Old 05-05-2012, 04:13 PM
U-20t GTI U-20t GTI is offline
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Default Re: HFS-4 Q&A, application for your engine...

Sorry for the bump just seeing if anyone has done one on a VW 2.0 TSI yet for a little wiring and setting guidance.
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  #222  
Old 05-05-2012, 06:26 PM
Richard L Richard L is offline
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Default Re: HFS-4 Q&A, application for your engine...

Can you telll me a little bit more about the model year and the engine code. There are quite a few VW install in South Africa.

Is it a direct injection enigne? We hav ewiring for the BWA model.
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  #223  
Old 05-05-2012, 07:22 PM
U-20t GTI U-20t GTI is offline
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Default Re: HFS-4 Q&A, application for your engine...

Quote:
Originally Posted by Richard L View Post
Can you telll me a little bit more about the model year and the engine code. There are quite a few VW install in South Africa.

Is it a direct injection enigne? We hav ewiring for the BWA model.
Richard Thanks,

A little about the car:

Car: 2011 MK6 GTI CBFA engine code
Engine: 2.0T TSI with rods and over sized Farrea valvetrain
Turbo: SS cast manifold to Precision 5530 .63 a/r to 3in turboback

Approximate power now is 410hp at the crank (20psi) and once a fueling solution comes about I am looking for 550hp (25+psi) at the crank.

At 15psi I am running about 270g/s at the MAF

I have .4mm nozzles for direct port and a .6mm nozzle post intercooler.

Also, Which restrictor would you recommend .7 or .9 since I am somewhere in the middle of the two for flow.
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  #224  
Old 06-05-2012, 12:56 AM
Richard L Richard L is offline
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Default Re: HFS-4 Q&A, application for your engine...

I think ypur car is newer than all the information I have. I need to search for the ECU pinout before I can produce a wiring diagram for you. Do you know where I may find it?

You already have quite a bit of power.

Question: what is your intended fueling solution?
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  #225  
Old 07-05-2012, 06:19 PM
U-20t GTI U-20t GTI is offline
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Default Re: HFS-4 Q&A, application for your engine...

Quote:
Originally Posted by Richard L View Post
I think ypur car is newer than all the information I have. I need to search for the ECU pinout before I can produce a wiring diagram for you. Do you know where I may find it?

You already have quite a bit of power.

Question: what is your intended fueling solution?
I will see what I can do for a pinout, do you have an email I can send it to? I think I can get you a pdf.

Fueling will be a combination of a new in tank fuel pump, new cam driven high pressure fuel pump and new injectors.
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  #226  
Old 07-05-2012, 06:36 PM
Richard L Richard L is offline
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Default Re: HFS-4 Q&A, application for your engine...

My email is richard AT aquamist.co.uk

Are the replacement injectors flow more than standard ones?
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  #227  
Old 07-05-2012, 08:49 PM
U-20t GTI U-20t GTI is offline
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Default Re: HFS-4 Q&A, application for your engine...

Quote:
Originally Posted by Richard L View Post
My email is richard AT aquamist.co.uk

Are the replacement injectors flow more than standard ones?
I will hopefully get you something shortly.

The injectors will flow more and so will the pumps. I over sized my jets slightly to have room to grow.
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  #228  
Old 09-05-2012, 11:39 AM
Ljm7gun Ljm7gun is offline
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Default Re: HFS-4 Q&A, application for your engine...

im dying to see a before and after result for tuning with and without the hfs4 system. ill post mine as soon as its done but that might take a month as i have to drop out my kaaz gearbox and fix the 4th gr synchro before a dyno. anyone?
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  #229  
Old 10-05-2012, 07:07 PM
dubaudi dubaudi is offline
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Default Re: HFS-4 Q&A, application for your engine...

Im upgrading from a HFS-3 to the HFS-4 on my 2001.5 S4. My HFS-3 was never wired to the MAF just the N-75, #6 injector, and switch ignition. Anyone know what wire coming off the ECU I tap for the MAF.
I found this searching, I have the Hitachi MAF


Can you confirm the S4 or RS4 is not direct injection. MAF on the Audi is frequency based. The HFS-4 will not be able to read it. Does it have a MAP sensor? If so, conenct the blue wire of the grey harness to that.
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  #230  
Old 10-05-2012, 07:39 PM
monkiboy monkiboy is offline
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Default Re: HFS-4 Q&A, application for your engine...

richard - installing the hfs4 today. is best orientation for the nozzles/jets in the 10-2 o'clock position around the diameter of the first cool pipe coming off the fmic core? i think i read that somewhere or am i completely wrong and nozzle should face upward?
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