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  #1  
Old 21-07-2017, 11:58 PM
Jroyalty7 Jroyalty7 is offline
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Default Want to install custom meth plate

Hello,
I plan on installing my hfs4 kit with custom meth plates that need to be tapped for the injectors. I am looking for help/advice on what size checkvalve jets I should use, whether I need a compression or hosetail port option, and what size/pitch is used in order to update the manufacturer of the meth plates for my 2013 audi b8.5 s4. the link to the meth plates are here: http://sillyrabbitmotorsport.com/3.0...-injection-kit

I followed what I could from a previous s4 owners thread (infinkc) but with missing pictures and some descriptives missing I could really use some assistance please and thank you.
TIA for any help anyone can provide on this. My first meth/water kit install.
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Old 22-07-2017, 12:10 AM
Jroyalty7 Jroyalty7 is offline
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Default Re: Want to install custom meth plate

Also I am assuming I will need this manifold to run the 6 direct port injection nozzles?
http://www.aquamist-direct.com/806-4...-hex-manifold/
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Old 22-07-2017, 07:14 AM
Richard L Richard L is offline
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Default Re: Want to install custom meth plate

Ideally, you should get the DP bundle as it contains all the parts for a successful direct port installation.

http://www.aquamist-direct.com/806-4...his-shop-only/




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Old 23-07-2017, 02:41 AM
Jroyalty7 Jroyalty7 is offline
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Default Re: Want to install custom meth plate

Thank you for the reply and I will look into getting that kit from a local distributor. Another question regarding the hfs4 as I bought the kit used and it was previously on a bmw are there any changes internally I should make for the controller? Is there an audi b8/b8.5 specific install guide/manual available? I am concerned about the ecu wiring and making sure that it is correctly configured. This will be my first meth kit install so I am pretty green as far as the ins outs of everything. Thank you again!
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Old 23-07-2017, 02:16 PM
Jroyalty7 Jroyalty7 is offline
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Default Re: Want to install custom meth plate

My engine code is cgxc
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Old 23-07-2017, 03:25 PM
Richard L Richard L is offline
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Default Re: Want to install custom meth plate

What is the SN of the HFS4? I will check it for you can may post a wiring diagram if we have one. Which Audi model and year is this?

The controller should be OK if it is not hacked too much
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Old 23-07-2017, 05:08 PM
Richard L Richard L is offline
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Default Re: Want to install custom meth plate

Since this is a supercharged engine, we cannot implement the failsafe on this engine except cutting the ignition etc.. Here is the wiring diagram:





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Old 23-07-2017, 05:58 PM
Jroyalty7 Jroyalty7 is offline
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Default Re: Want to install custom meth plate

Quote:
Originally Posted by Richard L View Post
What is the SN of the HFS4? I will check it for you can may post a wiring diagram if we have one. Which Audi model and year is this?

The controller should be OK if it is not hacked too much
Hey Richard thank you for the reply, s/n is: 122169
Car is a 2013 s4 b8.5

Also I was thinking of running the 0.4mm jets 140cc for each port with a direct port injection meth plate, Im planning on running a bit more aggressive tune. That sound reasonable? Thanks for all your help

Last edited by Jroyalty7; 23-07-2017 at 06:01 PM.
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Old 23-07-2017, 06:22 PM
Jroyalty7 Jroyalty7 is offline
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Default Re: Want to install custom meth plate

https://flic.kr/p/VMHssB
https://flic.kr/p/VMHrJx
Pics of the controller
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  #10  
Old 23-07-2017, 06:41 PM
Jroyalty7 Jroyalty7 is offline
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Default Re: Want to install custom meth plate

Another question, I received the fav but appears to be missing the metal mount as shown in this pic:
https://flic.kr/p/WLc499

This is mine:
https://flic.kr/p/X29Sd8

Is this part sourceable alone or have to buy a whole new fav? Thanks again for your continued help!
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