Lets talk about our stock fuel pump modules and modifying them. - Ford Focus Forum, Ford Focus ST Forum, Ford Focus RS Forum
Ford Focus Forum
HomeContact UsAbout UsGalleryDiscussion ForumsMarketplace


Go Back   Ford Focus Forum, Ford Focus ST Forum, Ford Focus RS Forum > Ford Focus Tech Discussions > General Forced Induction

General Forced Induction The place to chat about turbochargers, superchargers nitrous systems and custom engine fabrications.

Search This Forum | Image Search | Advanced Search    
FocusFest FocusFanatics Merchandise

Reply




 
LinkBack Thread Tools Display Modes
Old 08-06-2013, 10:40 AM   #1
Focus Addict
 
cwczx3's Avatar
 
Join Date: Sep 2003
Fan#: 852
Location: York, PA 17404, United States
What I Drive: 2000 Autumn orange ZX3

Posts: 572
Points 15,783, Level 80
Points: 15,783, Level: 80 Points: 15,783, Level: 80 Points: 15,783, Level: 80
Level Up 87% Completed
Level up: 87% Level up: 87% Level up: 87%
Forum Activity 0%
Activity: 0% Activity: 0% Activity: 0%
FF Reputation: 6 cwczx3 Good Standing Member
Buy-Sell-Trade Rating: (4)
Lets talk about our stock fuel pump modules and modifying them.

Recently had my fuel pump module out and had one of the gaskets that seal the fuel pump outlet.



There are no replacements for this, only option is to buy a whole new module or steal one out of another module. When i removed the damaged one i was surprised at how small the outlet is going to the fuel rail.





From the outside it looks like a 5/16" hose but the hole is only 1/8". Granted the system was never designed to handle the power that some of us are requiring from it with turbos or superchargers.

There is also a check valve inline from the fuel pump to the outlet of the fuel pump module that is also 1/8".





This is just to keep fuel in the system pressurized so that you can just crank and go. By eliminating it all i should have to do is cycle the key two 2-3 times to prime the system. Not much different than having to let a return style system run for a couple of seconds before starting.

The outlet that returns fuel to the canister and venturi setup is the same 1/8" diameter.

I am currently running the gt40 fuel pump which does flow more than the stock pump. I have data logged both back to back and the stock pump on my current setup will max out about 2/3 the way through a 3rd gear pull from about 2-3000rpm to red line. The gt40 pump just maxes out just before red line.

What i am going to try next is running 5/16" hose straight from the pump to a 5/16" tee then run 5/16" hose to both the fuel pump module outlet that feeds the fuel rail and to the connection that feeds the canister/venturi setup. This should increase flow to the rail but drop pressure slightly. The computer will then increase voltage to the pump to maintain the desired pressure at rail in theory.

Yes i know switching to return fuel will eliminate all of this but i am willing to try this to see if it could work for some people that don't wanna go through the trouble of switching to return fuel. Also i want to eliminate the seal that failed and try to get a little more out of the gt40 pump before i do switch to return style fuel system.


__________________
2000 Autumn Orange ZX3 "Beauty"Weekend Toy
2013 Performance Blue STDaily
2001 Flat Black ZX3 "River Rat"SOLD
cwczx3 is offline  
    Reply With Quote Quick reply to this message
Sponsored Links
Advertisement
 
Old 08-06-2013, 11:59 AM   #2
TURBO ZX3
 
ZXthrizzle05's Avatar
 
Join Date: Jun 2005
Fan#: 24434
Location: Marysville, WA
What I Drive: 2012 Mazdaspeed 3, TURBO ZX3

Posts: 8,526
Points 51,871, Level 100
Points: 51,871, Level: 100 Points: 51,871, Level: 100 Points: 51,871, Level: 100
Level Up 0% Completed
Level up: 0% Level up: 0% Level up: 0%
Forum Activity 6%
Activity: 6% Activity: 6% Activity: 6%
FF Reputation: 6 ZXthrizzle05 Good Standing Member
Buy-Sell-Trade Rating: (11)
What psi isur gt40 um mmaxing out at? The svt one I'm running isholding great at 16
__________________
FF MODERATOR
RISE AGAIN EGGYOLK302 WHP 274 WTQ ZETEC CREW #271
RIFF CREW
ZXthrizzle05 is offline  
    Reply With Quote Quick reply to this message
Old 08-06-2013, 12:06 PM   #3
Focus Addict
 
cwczx3's Avatar
 
Join Date: Sep 2003
Fan#: 852
Location: York, PA 17404, United States
What I Drive: 2000 Autumn orange ZX3

Posts: 572
Points 15,783, Level 80
Points: 15,783, Level: 80 Points: 15,783, Level: 80 Points: 15,783, Level: 80
Level Up 87% Completed
Level up: 87% Level up: 87% Level up: 87%
Forum Activity 0%
Activity: 0% Activity: 0% Activity: 0%
FF Reputation: 6 cwczx3 Good Standing Member
Buy-Sell-Trade Rating: (4)
I'm currently running 18psi.
__________________
2000 Autumn Orange ZX3 "Beauty"Weekend Toy
2013 Performance Blue STDaily
2001 Flat Black ZX3 "River Rat"SOLD
cwczx3 is offline  
    Reply With Quote Quick reply to this message
Old 08-06-2013, 12:13 PM   #4
TURBO ZX3
 
ZXthrizzle05's Avatar
 
Join Date: Jun 2005
Fan#: 24434
Location: Marysville, WA
What I Drive: 2012 Mazdaspeed 3, TURBO ZX3

Posts: 8,526
Points 51,871, Level 100
Points: 51,871, Level: 100 Points: 51,871, Level: 100 Points: 51,871, Level: 100
Level Up 0% Completed
Level up: 0% Level up: 0% Level up: 0%
Forum Activity 6%
Activity: 6% Activity: 6% Activity: 6%
FF Reputation: 6 ZXthrizzle05 Good Standing Member
Buy-Sell-Trade Rating: (11)
Hmm. I wonder how much the svt can take.I mean it is brand new. but I have to wait to bump it upuntili get a quafie
__________________
FF MODERATOR
RISE AGAIN EGGYOLK302 WHP 274 WTQ ZETEC CREW #271
RIFF CREW
ZXthrizzle05 is offline  
    Reply With Quote Quick reply to this message
Old 08-06-2013, 01:18 PM   #5
Focus Addict
 
cwczx3's Avatar
 
Join Date: Sep 2003
Fan#: 852
Location: York, PA 17404, United States
What I Drive: 2000 Autumn orange ZX3

Posts: 572
Points 15,783, Level 80
Points: 15,783, Level: 80 Points: 15,783, Level: 80 Points: 15,783, Level: 80
Level Up 87% Completed
Level up: 87% Level up: 87% Level up: 87%
Forum Activity 0%
Activity: 0% Activity: 0% Activity: 0%
FF Reputation: 6 cwczx3 Good Standing Member
Buy-Sell-Trade Rating: (4)
I guess i should of mentioned that this is in one of the recall pump housings since i have a 2000 that had the recall done.

Can you give some specifics on your year, model, engine to add some info about the pump module. Like 2004 2.3l ZX3 or whatever it is.

I know Randy from FSWerks said us older Focus guys could run the 03-04 duratec pump module but that there are different settings in the tune.
__________________
2000 Autumn Orange ZX3 "Beauty"Weekend Toy
2013 Performance Blue STDaily
2001 Flat Black ZX3 "River Rat"SOLD
cwczx3 is offline  
    Reply With Quote Quick reply to this message
Old 08-06-2013, 02:05 PM   #6
TURBO ZX3
 
ZXthrizzle05's Avatar
 
Join Date: Jun 2005
Fan#: 24434
Location: Marysville, WA
What I Drive: 2012 Mazdaspeed 3, TURBO ZX3

Posts: 8,526
Points 51,871, Level 100
Points: 51,871, Level: 100 Points: 51,871, Level: 100 Points: 51,871, Level: 100
Level Up 0% Completed
Level up: 0% Level up: 0% Level up: 0%
Forum Activity 6%
Activity: 6% Activity: 6% Activity: 6%
FF Reputation: 6 ZXthrizzle05 Good Standing Member
Buy-Sell-Trade Rating: (11)
Yea I had the same set u until I threw it away. Iswitched to the svt gas tank and fuel pump
__________________
FF MODERATOR
RISE AGAIN EGGYOLK302 WHP 274 WTQ ZETEC CREW #271
RIFF CREW
ZXthrizzle05 is offline  
    Reply With Quote Quick reply to this message
Old 08-07-2013, 03:32 PM   #7
Focus Addict
 
cwczx3's Avatar
 
Join Date: Sep 2003
Fan#: 852
Location: York, PA 17404, United States
What I Drive: 2000 Autumn orange ZX3

Posts: 572
Points 15,783, Level 80
Points: 15,783, Level: 80 Points: 15,783, Level: 80 Points: 15,783, Level: 80
Level Up 87% Completed
Level up: 87% Level up: 87% Level up: 87%
Forum Activity 0%
Activity: 0% Activity: 0% Activity: 0%
FF Reputation: 6 cwczx3 Good Standing Member
Buy-Sell-Trade Rating: (4)
Started mocking it up.

First a 5/16" tee that i cut one barb off each side so it wasn't so big.





Then fitting the hose in and figuring out the best routing so as not kink the hose.









I have another piece of hose coming and more clamps tomorrow. Hopefully get to try this out soon.
__________________
2000 Autumn Orange ZX3 "Beauty"Weekend Toy
2013 Performance Blue STDaily
2001 Flat Black ZX3 "River Rat"SOLD
cwczx3 is offline  
    Reply With Quote Quick reply to this message
Old 08-07-2013, 05:14 PM   #8
FF Affiliate
 
1turbofocus's Avatar
 
Join Date: Oct 2003
Fan#: 1123
Location: Belmont, NC
What I Drive: 2000 ZX3 / 2002 SVT Turbocharged

Posts: 23,337
Points 54,974, Level 100
Points: 54,974, Level: 100 Points: 54,974, Level: 100 Points: 54,974, Level: 100
Level Up 0% Completed
Level up: 0% Level up: 0% Level up: 0%
Forum Activity 69%
Activity: 69% Activity: 69% Activity: 69%
FF Reputation: 155 1turbofocus Excellent Standing Member 1turbofocus Excellent Standing Member
Buy-Sell-Trade Rating: (28)
Been there done that lol

Tom
__________________
Focus-Power: Your #1 Source for Ford Focus Speed, Tuning & Performance!

Customer Support
AIM: hpdyno
Email: hpdyno@aol.com
Phone: 704-249-3745
Site: focus-power.com

Elder 1turbofocus
1turbofocus is online now  
    Reply With Quote Quick reply to this message
Old 08-07-2013, 05:24 PM   #9
Focus Addict
 
cwczx3's Avatar
 
Join Date: Sep 2003
Fan#: 852
Location: York, PA 17404, United States
What I Drive: 2000 Autumn orange ZX3

Posts: 572
Points 15,783, Level 80
Points: 15,783, Level: 80 Points: 15,783, Level: 80 Points: 15,783, Level: 80
Level Up 87% Completed
Level up: 87% Level up: 87% Level up: 87%
Forum Activity 0%
Activity: 0% Activity: 0% Activity: 0%
FF Reputation: 6 cwczx3 Good Standing Member
Buy-Sell-Trade Rating: (4)
Tom, with what pump and how long ago?
__________________
2000 Autumn Orange ZX3 "Beauty"Weekend Toy
2013 Performance Blue STDaily
2001 Flat Black ZX3 "River Rat"SOLD
cwczx3 is offline  
    Reply With Quote Quick reply to this message
Old 08-07-2013, 05:59 PM   #10
GT40 all the things!
 
disciplerocks's Avatar
 
Join Date: Sep 2008
Fan#: 59330
Location: Evansville, IN
What I Drive: 04 ZX3, 12 Hatch

Posts: 9,448
Points 13,692, Level 76
Points: 13,692, Level: 76 Points: 13,692, Level: 76 Points: 13,692, Level: 76
Level Up 11% Completed
Level up: 11% Level up: 11% Level up: 11%
Forum Activity 1%
Activity: 1% Activity: 1% Activity: 1%
FF Reputation: 13 disciplerocks Great Standing Member
Buy-Sell-Trade Rating: (18)
Subscribed
__________________
04 ZX3 Mostly Stock ["Best Non-SVT" FITF '12][3/13 ROTM][7/14 ROTM][2014 ROTY]
12 SE Hatch Sport & Winter Package, ST Front End
94 F150 XLT 5.0 HO, OBDII Swap
89 Bronco II XLT Crawler
disciplerocks is offline  
    Reply With Quote Quick reply to this message
Reply

Bookmarks & Social Networks

Quick Reply
Message:
Options

Register Now

In order to be able to post messages on the Ford Focus Forum, Ford Focus ST Forum, Ford Focus RS Forum forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.
User Name:
Password
Please enter a password for your user account. Note that passwords are case-sensitive.
Password:
Confirm Password:
Email Address
Please enter a valid email address for yourself.
Email Address:
What I Drive
Year, color, and model of your car. Example: 2003 Pitch Black ZX3
Name
Your real name.
City
State
Country
Insurance
Please select your insurance company (Optional)

Log-in

Human Verification

In order to verify that you are a human and not a spam bot, please enter the answer into the following box below based on the instructions contained in the graphic.



Thread Tools
Display Modes

Posting Rules
You may post new threads
You may post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On



All times are GMT -5. The time now is 09:32 PM.


Copyright 2002-2015 FocusFanatics.com. All Rights Reserved : Privacy Policy : Advertise Information

Focus Fanatics Ford Focus Forum offers many fun ways for you to engage with other Ford Focus Owners from across the world. Whether it be about the aftermarket performance modifications, technical how-to's, European tuned suspension or awesome fuel economy similar to the Mazda CX-3, Audi S3, Mazda MX-5 Miata and Acura TLX. You can find all Ford Focus, Focus ST and Focus RS related information here. Join our Ford Focus discussion forums and chat with local Focus enthusiasts in your area. If you own other makes have a look at Challenger Hellcat Forum, Charger Hellcat Forum, Cadillac ATS-V Forum, Cadillac ATS Forum, Cadillac CTS-V Forum, Lexus RC-F Forum, Lexus GS-F Forum, Mercedes GLA Forum, Mercedes GLE Forum, Civic Type-R Forum and Volvo XC90 Forum.





Search Engine Optimization by vBSEO 3.6.1