fpdm

SWEET2KSTANG · May 6th, 2009, 08:46 AM

i going to be running twin gt pumps and hung up on what to do with the fpdm. i didnt think the stock cobra pumps will handle what i am going to throw at the car so i went ahead and decided on a pump swap.

what i am thinking:

1- pay the $$$ for a modified fpdm and it will be plug in and go pretty much. i would upgrade the wires inside the hat that go to the pumps.

2- run dual fpdm's, figure out the wiring to hook them up, and try to figure out how to get 2 wires from fpdm into the tank and get the hat to seal as well.

anyone have opions and experience on this?

RyanGT · May 6th, 2009, 10:35 AM

AC did the dual fpdm. I think thats the way to go if you have the know how and time to do it. I just did the stage 2 fpdm, wasn't going to run 2 pumps but gave me room to grow into them if i did it later on.

I have a stock fpdm that i haven't put for sale yet. If you want to go that route you can shoot me a pm. Was on the car 55k miles.

NeverEnuff · May 6th, 2009, 01:04 PM

Cobra pumps not enough? Holy crap! I have Cobra pumps and a BAP. Did over 600-650rwhp on my twins....that isn't enough? Duty cycle on the pumps with BAP was in the 75-80% range...if you plan NA and nitrous...it will only be better as your BSFC rate is lower on a NA car with nitrous compared to boost.

I think you need to move closer to me..and we need to build cars! lol.

SWEET2KSTANG · May 6th, 2009, 10:18 PM

i didnt want to do a BAP, the cost of a BAP is the same as an upgraded fpdm and gt pump is under 100 bucks. i thought the fpdm needed to be modified to safely handle the BAP as well. i know ac did the dual fpdm, but the wiring is still kind of sketchy to me. i think its nothing more than slice 3 or 4 wires together, run independant 12+ wires, ground them both, and run new wires from fpdm to pumps.

jivepepper · May 6th, 2009, 11:10 PM

I run a modified FPDM, 40 amp BAP, Dual Lincoln Aviator fuel pumps and a 10g wire upgrade with a 40 amp relay and a inline fuseable link. I was at 80% fpdc still using stock lines and rails. Plus I seem to dyno 25-30 rwhp higher at other dynos compared to where I tune.

SWEET2KSTANG · May 7th, 2009, 12:08 AM

i thinking about doing the fuel line upgrade, but i dont think i will be pushing its limits.

SWEET2KSTANG · May 7th, 2009, 10:11 AM

no one else???

jivepepper · May 7th, 2009, 10:19 AM

I would try modularfords.com

SWEET2KSTANG · May 7th, 2009, 10:36 AM

i never joined there, site runs really slow.

jivepepper · May 7th, 2009, 10:59 AM

Originally Posted by SWEET2KSTANG

i never joined there, site runs really slow.

To many add banners. But the tech is great there. Plus modulardepot use to have good tech also.

SWEET2KSTANG · May 7th, 2009, 11:01 AM

yeah, i like to scroll thru there when i got time to wait. i trying not to blow my budget way out of sight, but dont want to have to go back and do twice.

Trick Tuners · May 7th, 2009, 12:57 PM

Dual FPDMs will work just fine and is a much cheaper option. The upgraded fpdms do have the advantage of working faster, but i'm still unsure if it really matters in the real world.

NeverEnuff · May 7th, 2009, 01:08 PM

Originally Posted by SWEET2KSTANG

i didnt want to do a BAP, the cost of a BAP is the same as an upgraded fpdm and gt pump is under 100 bucks. i thought the fpdm needed to be modified to safely handle the BAP as well. i know ac did the dual fpdm, but the wiring is still kind of sketchy to me. i think its nothing more than slice 3 or 4 wires together, run independant 12+ wires, ground them both, and run new wires from fpdm to pumps.

Nothing wrong with a BAP at all. I would rather run a BAP then try to cut up the harness and add another FPDM. I know I can handle wiring and the install, but the less you have to install and wire, the LESS you have to worry about failing. I run my stock FPDM like it came from Ford in 99. No problems. Twin Cobra pumps, 40amp BAP...

Twin Cobra pumps on a N/A motor should get you WELL, WELL over the 450-500rwhp mark...

NeverEnuff · May 7th, 2009, 01:09 PM

Originally Posted by SWEET2KSTANG

i thinking about doing the fuel line upgrade, but i dont think i will be pushing its limits.

Still have my stock line as well....

SWEET2KSTANG · May 7th, 2009, 10:18 PM

well, running dual fpdm's will require needing to get another wire thru the hat, right?

its not that i worry too much about pushing the limits more than i have an idea of how i want my fuel lines set up aftre its done.

NeverEnuff · May 8th, 2009, 10:10 AM

Yes, It will req another power and ground line.

Honestly...I have built and wasted money on a lot of things and it has made me smarter in my builds of what is NEEDED and what isn't.

Im just tyring to help save you a few pennies. Twin Cobra pumps are a strong drop in solution, in stock form with stock FPDM. They can support 400+ishrwhp on BLOWER cars. That duty cycle drops even more to a turbo car, and even more so on a N/A/Nitrous setup.

I would just drop in the 03/04 Hat for now...and see where that gets ya.

Throw your money in the motor man!

SWEET2KSTANG · May 8th, 2009, 10:33 AM

Originally Posted by NeverEnuff

I would just drop in the 03/04 Hat for now...and see where that gets ya.

Throw your money in the motor man!

got it, and got most of it. i have the cobra hat and pumps now along with the tank. the cobra pumps sitting the way that are will not support what i will be pushing. a BAP on the cobra pumps will be damn close to maxin out probably

Derek@DRI · May 8th, 2009, 12:02 PM

Well you can run a single modified FPDM, or the Dual. I have always just sold the single modified Stage 2 FPDM and never had any problems.

If for whatever reason you don't want to go that route you can purchase the new MDMjr by Zone 5. That is designed specifically for aftermarket fuel pumps and KB BAPs.

Hope that helps.

Derek

SWEET2KSTANG · May 8th, 2009, 12:15 PM

that MDM is freaking huge! i dont need anything like that, but i wish i had the need for it.

Trick Tuners · May 8th, 2009, 12:34 PM

Originally Posted by SWEET2KSTANG

well, running dual fpdm's will require needing to get another wire thru the hat, right?

No, I'm pretty sure you can just time them together and don't even need to drop the tank. Basically a parallel circuit.

May 6th, 2009, 08:46 AM	#1
SWEET2KSTANG mm's nitrous mod 2000 mustang gt 11.79@115.83 Join Date: Oct 2006 Location: N.W. AR Posts: 8,986	fpdm i going to be running twin gt pumps and hung up on what to do with the fpdm. i didnt think the stock cobra pumps will handle what i am going to throw at the car so i went ahead and decided on a pump swap. what i am thinking: 1- pay the $$$ for a modified fpdm and it will be plug in and go pretty much. i would upgrade the wires inside the hat that go to the pumps. 2- run dual fpdm's, figure out the wiring to hook them up, and try to figure out how to get 2 wires from fpdm into the tank and get the hat to seal as well. anyone have opions and experience on this? __________________ right now, she is a jackstand warrior if the car was a horse, i would shoot it!!! project warhorse under construction

May 6th, 2009, 10:35 AM	#2
RyanGT Hardcore Enthusiast 2000 GT Join Date: Dec 2006 Location: Lynnwood, Washington Posts: 1,864	AC did the dual fpdm. I think thats the way to go if you have the know how and time to do it. I just did the stage 2 fpdm, wasn't going to run 2 pumps but gave me room to grow into them if i did it later on. I have a stock fpdm that i haven't put for sale yet. If you want to go that route you can shoot me a pm. Was on the car 55k miles. __________________ 2000 Black convertible GT: KB 15psi, and other goodies...

May 6th, 2009, 01:04 PM	#3
NeverEnuff Regular 1999 Mustang GT 10.6@130 Join Date: Jan 2009 Location: Texas Posts: 467	Cobra pumps not enough? Holy crap! I have Cobra pumps and a BAP. Did over 600-650rwhp on my twins....that isn't enough? Duty cycle on the pumps with BAP was in the 75-80% range...if you plan NA and nitrous...it will only be better as your BSFC rate is lower on a NA car with nitrous compared to boost. I think you need to move closer to me..and we need to build cars! lol. __________________ 35th 32V GT-Lets see how long I keep this build... 25th LX Coupe-Maybe someday Ill build it... Last edited by NeverEnuff : May 6th, 2009 at 01:21 PM.

May 6th, 2009, 10:18 PM	#4
SWEET2KSTANG mm's nitrous mod 2000 mustang gt 11.79@115.83 Join Date: Oct 2006 Location: N.W. AR Posts: 8,986	i didnt want to do a BAP, the cost of a BAP is the same as an upgraded fpdm and gt pump is under 100 bucks. i thought the fpdm needed to be modified to safely handle the BAP as well. i know ac did the dual fpdm, but the wiring is still kind of sketchy to me. i think its nothing more than slice 3 or 4 wires together, run independant 12+ wires, ground them both, and run new wires from fpdm to pumps. __________________ right now, she is a jackstand warrior if the car was a horse, i would shoot it!!! project warhorse under construction

May 6th, 2009, 11:10 PM	#5
jivepepper MM Fanatic Join Date: Mar 2006 Location: Under a sombrero Posts: 3,494	I run a modified FPDM, 40 amp BAP, Dual Lincoln Aviator fuel pumps and a 10g wire upgrade with a 40 amp relay and a inline fuseable link. I was at 80% fpdc still using stock lines and rails. Plus I seem to dyno 25-30 rwhp higher at other dynos compared to where I tune. __________________ 2000 GT 665/540 SUPERCHARGED SOHC 2V 4.6l *Best 1/4 11.1 best trap 133 80, 2286' DA 315/35/17 DR'S,** DYNO VID ---> http://www.youtube.com/watch?v=K9uOS732mdA Last edited by jivepepper : May 6th, 2009 at 11:14 PM.

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May 7th, 2009, 12:08 AM	#6
SWEET2KSTANG mm's nitrous mod 2000 mustang gt 11.79@115.83 Join Date: Oct 2006 Location: N.W. AR Posts: 8,986	i thinking about doing the fuel line upgrade, but i dont think i will be pushing its limits. __________________ right now, she is a jackstand warrior if the car was a horse, i would shoot it!!! project warhorse under construction

May 7th, 2009, 10:11 AM	#7
SWEET2KSTANG mm's nitrous mod 2000 mustang gt 11.79@115.83 Join Date: Oct 2006 Location: N.W. AR Posts: 8,986	no one else??? __________________ right now, she is a jackstand warrior if the car was a horse, i would shoot it!!! project warhorse under construction

May 7th, 2009, 10:19 AM	#8
jivepepper MM Fanatic Join Date: Mar 2006 Location: Under a sombrero Posts: 3,494	I would try modularfords.com __________________ 2000 GT 665/540 SUPERCHARGED SOHC 2V 4.6l *Best 1/4 11.1 best trap 133 80, 2286' DA 315/35/17 DR'S,** DYNO VID ---> http://www.youtube.com/watch?v=K9uOS732mdA

May 7th, 2009, 10:36 AM	#9
SWEET2KSTANG mm's nitrous mod 2000 mustang gt 11.79@115.83 Join Date: Oct 2006 Location: N.W. AR Posts: 8,986	i never joined there, site runs really slow. __________________ right now, she is a jackstand warrior if the car was a horse, i would shoot it!!! project warhorse under construction

May 7th, 2009, 11:01 AM	#11
SWEET2KSTANG mm's nitrous mod 2000 mustang gt 11.79@115.83 Join Date: Oct 2006 Location: N.W. AR Posts: 8,986	yeah, i like to scroll thru there when i got time to wait. i trying not to blow my budget way out of sight, but dont want to have to go back and do twice. __________________ right now, she is a jackstand warrior if the car was a horse, i would shoot it!!! project warhorse under construction

May 7th, 2009, 12:57 PM	#12
Trick Tuners Hardcore Enthusiast KB'd GT Join Date: Nov 2006 Location: San Diego Posts: 2,436	Dual FPDMs will work just fine and is a much cheaper option. The upgraded fpdms do have the advantage of working faster, but i'm still unsure if it really matters in the real world. __________________ SCT Tuning, JLT intakes, Aeroforce OBDII gauges and PLX wideband products @ Trick Tuners My forums Xcal3 SF with preloaded tunes and free custom tunes for life for $379 shipped. Custom tunes based on actual data is extra.

May 7th, 2009, 10:18 PM	#15
SWEET2KSTANG mm's nitrous mod 2000 mustang gt 11.79@115.83 Join Date: Oct 2006 Location: N.W. AR Posts: 8,986	well, running dual fpdm's will require needing to get another wire thru the hat, right? its not that i worry too much about pushing the limits more than i have an idea of how i want my fuel lines set up aftre its done. __________________ right now, she is a jackstand warrior if the car was a horse, i would shoot it!!! project warhorse under construction

May 8th, 2009, 10:10 AM	#16
NeverEnuff Regular 1999 Mustang GT 10.6@130 Join Date: Jan 2009 Location: Texas Posts: 467	Yes, It will req another power and ground line. Honestly...I have built and wasted money on a lot of things and it has made me smarter in my builds of what is NEEDED and what isn't. Im just tyring to help save you a few pennies. Twin Cobra pumps are a strong drop in solution, in stock form with stock FPDM. They can support 400+ishrwhp on BLOWER cars. That duty cycle drops even more to a turbo car, and even more so on a N/A/Nitrous setup. I would just drop in the 03/04 Hat for now...and see where that gets ya. Throw your money in the motor man! __________________ 35th 32V GT-Lets see how long I keep this build... 25th LX Coupe-Maybe someday Ill build it...

May 8th, 2009, 12:02 PM	#18
Derek@DRI Authorized Vendor Join Date: Apr 2008 Location: Fort Lauderdale, FL Posts: 385	Well you can run a single modified FPDM, or the Dual. I have always just sold the single modified Stage 2 FPDM and never had any problems. If for whatever reason you don't want to go that route you can purchase the new MDMjr by Zone 5. That is designed specifically for aftermarket fuel pumps and KB BAPs. Hope that helps. Derek __________________ Derek@dagostinoracing.com 877-374-7693

May 8th, 2009, 12:15 PM	#19
SWEET2KSTANG mm's nitrous mod 2000 mustang gt 11.79@115.83 Join Date: Oct 2006 Location: N.W. AR Posts: 8,986	that MDM is freaking huge! i dont need anything like that, but i wish i had the need for it. __________________ right now, she is a jackstand warrior if the car was a horse, i would shoot it!!! project warhorse under construction

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