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  #11  
Old 12-02-2012, 01:14 AM
JumpingJackson JumpingJackson is offline
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Default Re: HFS-4 intro...

*patiently waiting for GB details*
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  #12  
Old 12-02-2012, 01:22 AM
JumpingJackson JumpingJackson is offline
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Default Re: HFS-4 intro...

Also, is the HFS-3 compatible with Mazdaspeed 6? What are the differences between HFS-3 and HFS-4?
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  #13  
Old 12-02-2012, 08:20 AM
Richard L Richard L is offline
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Default Re: HFS-4 intro...

The HFS-4 has an extra input for monitoring the DI's fuel rail pressure, compensate for the final water/methanol flow.

DI engines has a tendency to control and adjust rail pressure constantly depending on load conditions. Factoring in this singal will improve the accuracy of the injectant ratio to fuel flow.
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  #14  
Old 12-02-2012, 04:35 PM
Howerton Engineering
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Default Re: HFS-4 intro...

GB has started here : http://www.aquamist.co.uk/vbulletin/...ead.php?t=2161
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  #15  
Old 12-02-2012, 05:20 PM
maxman maxman is offline
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Default Re: HFS-4 intro...

Does this come with instructions for a BMW N54 (2009 335i)?
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  #16  
Old 12-02-2012, 06:57 PM
Richard L Richard L is offline
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Default Re: HFS-4 intro...

Yes, it does.

The N54 has several popular tunes. Is your 335i standard? We can supply appropriate wiring instruction to each tune.
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  #17  
Old 13-02-2012, 01:36 PM
Richard L Richard L is offline
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Default Re: HFS-4 intro...

Quote:
Originally Posted by JumpingJackson View Post
Also, is the HFS-3 compatible with Mazdaspeed 6? What are the differences between HFS-3 and HFS-4?

On the Mazdaspeed set up, it is possible to run a port injection setup to suppliment fuel for high power applicatins. The HFS-4 can run up to 1600cc/min of methanol with bigger valve.

All you need to do it get one of this:

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  #18  
Old 13-02-2012, 01:44 PM
Richard L Richard L is offline
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Default Re: HFS-4 intro...

Anyone wants to discuss how they can make best use of the HFS-4, please post here. There are so much more the H4 can do. Please specify makes, model and power target.
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  #19  
Old 13-02-2012, 03:17 PM
maxman maxman is offline
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Default Re: HFS-4 intro...

Quote:
Originally Posted by Richard L View Post
Yes, it does.
The N54 has several popular tunes. Is your 335i standard? We can supply appropriate wiring instruction to each tune.

I have the Cobb tune installed on my 2009 335i with a Helix front mount intercooler and dual intake.
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  #20  
Old 13-02-2012, 03:44 PM
Richard L Richard L is offline
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Default Re: HFS-4 intro, application for your engine...

This is very straight forward.

I have spoken to Cobb, they are very happy to cut boost as a fail safe until something more refine comes up. At present they are working on a meth map, based on the HFS-3. A HFS-4 will be with them in the next few days. Depending on their work load, they will run it. I also believe one of the Cobb shop is installing and tuning a HFS-3 based 335i. The HFS-4 is backwardly compatible with the HFS-3 as far as Cobb is concerned.

We will publish a generic H4/Cobb wiring diagram before the end of the GB.

The HFS-4 is now equipped to work with Procede (any version) and BMS JB4. It has a "RAW pulse" and voltage output to represent meth flow to work with their failsafe input.

Which Cobb maps have you tried so far?
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