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06-20-2012, 06:21 AM | #3576 |
Former Vendor
Member#: 110029
Join Date: Mar 2006
Location: Sussex, England
Vehicle:2004 Citroen Picasso Silver |
1. The new in-tank filter has eliminated most of the long term leaky problems with shrinking hoses. We have also stopped using push-fit fittings for the same reason. All systems since 2010 are supplied with double-clamped compression fittings.
2. The foot print is identical.
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06-23-2012, 06:14 PM | #3577 | |
Scooby Newbie
Member#: 124326
Join Date: Aug 2006
Location: Sacramento
Vehicle:2007 STI SWP |
Quote:
thank you!! |
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07-02-2012, 03:24 PM | #3578 |
Scooby Specialist
Member#: 131787
Join Date: Nov 2006
Chapter/Region:
Tri-State
Location: Sandy Hook
Vehicle:06 STI,OB,OME XJs Merkur Junkyard |
Richard
Can the pump in the HFS-4 kit be mounted sideways? Is there an optimal orientation? What about the original Shurflo pump from the HFS-5 kit? Thanks in advance, |
07-02-2012, 05:28 PM | #3579 |
Former Vendor
Member#: 110029
Join Date: Mar 2006
Location: Sussex, England
Vehicle:2004 Citroen Picasso Silver |
The pump can be mounted in any orientation if it is installed in the dry trunk area. Ideally below the water level.
If you install the pump in the engine bay or location where it is exposed to the elements, you need to seal the cable entry gland - major cause of pump seizure when water trickles along the cable and reach the pump bearing. |
07-07-2012, 11:19 PM | #3580 |
Scooby Newbie
Member#: 193628
Join Date: Nov 2008
Chapter/Region:
E. Canada
Location: Canada
Vehicle:2010 STI SSM |
Hey, I just purchased the hfs3 and have a question about the jet size. Im running the 1mm jet and it isnt supplying enough. I did the math and I need to supply 700ccs of meth with two 0.7mm jets.
My question is can I use the supplied 0.8 and 0.9 mm jets together and dial the flow back with the gain control? |
07-08-2012, 04:38 AM | #3581 |
Former Vendor
Member#: 110029
Join Date: Mar 2006
Location: Sussex, England
Vehicle:2004 Citroen Picasso Silver |
If you need 700cc/min, you should go for a ceiling of 800-900cc/min. This will compensate system loss of 15 to 20%. You can also dial it back via the gain trimmer.
It is always good to have a bit more capacity on top in case you want to run higher meth percentage. |
08-05-2012, 05:28 AM | #3582 |
Scooby Newbie
Member#: 164259
Join Date: Nov 2007
Location: Frankfort, Kentucky
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Aside from the flow mapping, what benefit would the HFS-4 have over the HFS-3v2 for a direct injected engine without a fuel pressure sensor?
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08-08-2012, 02:33 PM | #3583 |
Former Vendor
Member#: 110029
Join Date: Mar 2006
Location: Sussex, England
Vehicle:2004 Citroen Picasso Silver |
The HFS-4's flow is the results of two variables, boost and IDC. It can be either or anywhere in between. This will allow a double hump effect.
As the initial boost subsided, either by the electronics or turbo flow capacity, the system will continue to increase flow with IDC (Load + RPM). This is a particularly useful for those who runs high boost with factory turbos. So HFS-4 is also good for non-direct injection engines. |
08-08-2012, 03:04 PM | #3584 |
Scooby Specialist
Member#: 260868
Join Date: Oct 2010
Chapter/Region:
South East
Location: Lake Worth, Florida
Vehicle:2011 STI White |
Stupid question. Which direction to turn gain to increase flow?
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08-09-2012, 03:16 AM | #3585 |
Former Vendor
Member#: 110029
Join Date: Mar 2006
Location: Sussex, England
Vehicle:2004 Citroen Picasso Silver |
Clockwise to increase flow on the gain trimmer.
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08-11-2012, 10:32 AM | #3586 |
Scooby Specialist
Member#: 260868
Join Date: Oct 2010
Chapter/Region:
South East
Location: Lake Worth, Florida
Vehicle:2011 STI White |
Is it normal to have air from the FAV to the jets? I'm going through tuning right now and things are looking good but when I lifted the good I noticed there are pockets of air. The line from the pump to the FAV is solid. No bubbles.
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08-12-2012, 07:22 PM | #3587 |
Former Vendor
Member#: 110029
Join Date: Mar 2006
Location: Sussex, England
Vehicle:2004 Citroen Picasso Silver |
Air is normal only under the following conditions
- Multi-jets at different heights - Single jet with longish hose runs below the height level of FAV. - loose hose fitting before and after the FAV will produce leak and air bubbles. |
08-12-2012, 07:33 PM | #3588 | |
Scooby Specialist
Member#: 260868
Join Date: Oct 2010
Chapter/Region:
South East
Location: Lake Worth, Florida
Vehicle:2011 STI White |
Quote:
I do have the FAV above the jets as well. It would be somewhat difficult to get the fav below the bottom I the intercooler level. There are no bubbles before the FAV and all the fittings are tight. So I guess I have two of the three situations. Everything seems to function either way. Thanks! |
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08-12-2012, 08:48 PM | #3589 | |
Scooby Newbie
Member#: 164259
Join Date: Nov 2007
Location: Frankfort, Kentucky
|
Quote:
Like the HFS-6 did correct? |
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08-12-2012, 09:16 PM | #3590 |
Scooby Specialist
Member#: 263470
Join Date: Nov 2010
|
Richard i have the HSF-2, it was professionally installed by Akuma, when i start the car, the LEd is yellow and then turns to green like 10 seconds later. IS this normal operation?
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08-14-2012, 06:17 AM | #3591 |
Former Vendor
Member#: 110029
Join Date: Mar 2006
Location: Sussex, England
Vehicle:2004 Citroen Picasso Silver |
There is a slight difference between the two. The manifold pressure on the HFS6 is for compensating any flow drop due to the manifold pressure. On the HFS4, the manifold pressure plays a major role in controlling flow.
There is a separate channel for high pressure fuel rail compensation on the H4, this is important for Di engines. This channel can also be used to offset flow by +/- 20% with other sensors such as EGT, engine temperature, air temperature sensor (inverted), afr, etc. The H4 is getting more able and no more complicated to install due to it plug & play nature. If you can tap one signal from the controller, the next one just take a minute more or a few seconds if you use posilock. |
08-14-2012, 06:19 AM | #3592 |
Former Vendor
Member#: 110029
Join Date: Mar 2006
Location: Sussex, England
Vehicle:2004 Citroen Picasso Silver |
It is normal for the yellow led to go off after ten seconds after system check. The green shade is probably due to backlit led shining through.
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08-14-2012, 08:34 PM | #3593 |
Scooby Specialist
Member#: 263470
Join Date: Nov 2010
|
This is when the system is armed. The yellow light shows and like you said 10-12 seconds later it turns green. I am assuming this is the controller going through a self check.
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08-16-2012, 07:23 AM | #3594 |
Former Vendor
Member#: 110029
Join Date: Mar 2006
Location: Sussex, England
Vehicle:2004 Citroen Picasso Silver |
If empty tank is detected during the start up, the system will not turn on. The gauge led will remain yellow.
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08-22-2012, 05:19 AM | #3595 |
Former Vendor
Member#: 110029
Join Date: Mar 2006
Location: Sussex, England
Vehicle:2004 Citroen Picasso Silver |
NEW jet range
We have two new jet options 1/8 NPT extended... Internal checkvalve and 100um disc filter incorporated. The threaded tip is extended for thick wall manifold installations. M8 x 0.75mm ... Retaining the same M8 thread, 8mm longer. It has an internal 15psi checkvalve to combat the siphoning effect in multi-jet applications especially there is vacuum or pressure differentials between location such as pre-turbo and post turbo setups |
08-22-2012, 05:28 AM | #3596 | |
Scooby Specialist
Member#: 260868
Join Date: Oct 2010
Chapter/Region:
South East
Location: Lake Worth, Florida
Vehicle:2011 STI White |
Quote:
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08-22-2012, 06:32 AM | #3597 |
Former Vendor
Member#: 110029
Join Date: Mar 2006
Location: Sussex, England
Vehicle:2004 Citroen Picasso Silver |
The system cannot absence of meth in the lines at start up, only the level of the tank.
Meth movements between jets (post FAV) can only be eliminated with individual jet with internal checkvalve. It is a mechanical problem and can only be solved mechanically. |
08-22-2012, 06:38 AM | #3598 |
Scooby Specialist
Member#: 260868
Join Date: Oct 2010
Chapter/Region:
South East
Location: Lake Worth, Florida
Vehicle:2011 STI White |
Oops, I quoted the wrong thing. So will the new jets with the check valves will solve the issue of the lines being empty between the jet and the FAV?
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08-25-2012, 06:55 PM | #3599 |
Former Vendor
Member#: 110029
Join Date: Mar 2006
Location: Sussex, England
Vehicle:2004 Citroen Picasso Silver |
The checkvalve will stop water further dribbing out of the jet after hose depressurization. The hose should remind fully filled.
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09-06-2012, 06:15 AM | #3600 |
Scooby Specialist
Member#: 131787
Join Date: Nov 2006
Chapter/Region:
Tri-State
Location: Sandy Hook
Vehicle:06 STI,OB,OME XJs Merkur Junkyard |
Hi Richard,
I have the Spec C tank in the trunk with an aluminum firewall between trunk and cabin. Additionally NASA CCR requires braided stainless steel lines for any alcohol mix passing thru the cabin. I don't want to run the line under the chassis which would require a different type of line anyway. One idea is -4 A.N. braided hose. But that would require sourcing something like a -4 A.N. threaded compression fitting for 6mm tube or a BSPP - A.N. adapter. Another idea is sheathing the existing line. Ideas? |
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