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    VWVortex


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    Thread: 3 or 4 bar Fuel Pressure Regulator ?

    1. 09-14-2003 11:45 PM #1
      With the addition of Bolt on Mods like Exhaust, CAI, Chip, Underdrive pullies and cams would it be benificial for a 24v to run a different FPR ?
      I recently read a post where lightly modded stock 12v's were gaining more HP in the higher revs. I know the 1.8t's benifit from this, but what about us ? Anyone try it yet ? I'm sure our stock ones are 3 bar ?
      2002.5 24v GTI VR6 HPA FT400 Turbo.(Gone)
      2008 Nissan Rogue SL AWD.(Daily)
      2008 Honda Civic DX-G (Beater)
      1992 GTI VR6, eip turbo, C2.42#, T04 60 Trim .68, Caged. (Play Car)

    2. 09-14-2003 11:49 PM #2
      I know mike potter has one is his car and he's said that it has benefitted him a lil bit and that i beleive it helped with with his pinging. he was using a 4bar

    3. 09-15-2003 05:17 AM #3
      where can we pick one up at?

    4. Former Advertiser
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      09-16-2003 01:20 PM #4
      My car seemed to respond well to the 4bar. It gained a few HP on the dyno with just that change.

      We sell them for $55.

      Mike Potter


    5. 09-16-2003 02:58 PM #5
      i have one sitting in my room waiting to go in....just waiting on eurosport and their IMO horribly designed intake. i got mine from ecstuning.com for like $60. i got mine because with chip/intake/exhuast i was getting constant lean codes, now since i've taken the intake off, i don't get anymore lean codes, so in essence the intake IS taking in more air or at least more dense air. whenever i get another intake i'm gonna slap in the fpr at the same time. I'll let you guys know my opinion whenever it happens, probably a few weeks .

    6. 09-17-2003 06:36 PM #6
      ill probably order it soon.
      i think it would help my pinging.

      i know this is offtopic, but what kinda deal could you do for 4 oem rotors, and mintex pads all around. when doing brakes, do i need more parts, like onetime use bolts et. you can IM the info to keep the mods from trippin.

      Quote, originally posted by Parts4vws »
      My car seemed to respond well to the 4bar. It gained a few HP on the dyno with just that change. We mostly used it to help with the fueling of the "juice"

      We sell them for $55.

      Mike Potter


    7. 09-18-2003 11:06 AM #7
      I don't believe in them for most N/A cars. Adding those bolt-ons you mentioned shouldn't increase airflow enough to push the ECU out of it's maps. My 12v car has a head with big valves, cams, intake, exhaust, etc, etc.. and a GIAC cam chip runs it perfectly. No crazy trim adjustments or anything.

      Running that FPR on your mildly modified motor will probably piss off the ECU because it has to adjust to the unexpected fuel reported by the O2 sensor, or it'll be unable to adjst and rich you will run.

      I don't think it'll hurt anything tho.




      Modified by FatSean at 10:07 AM 9-18-2003


    8. 09-23-2003 11:04 PM #8
      confirming.. is this the right part #280.160.575


    9. 09-27-2003 02:05 PM #9
      Quote, originally posted by BEAU-SOF »
      confirming.. is this the right part #280.160.575

      thats correct, my # has an additional 0 in front of the 280 (0 280 160 575 - 000) also if you let the car sit overnight before taking out the old one you shouldn't have any problems with fuel leaking out. i sat there for ten minutes putting rags everywhere to make sure nothing got sprayed too bad and then not even a drip came out, oh well, better safe than sorry. also i haven't noticed any performance increase however the intermittent lean code has not resurfaced.

      edit: the little cotter pin thing can be somewhat of a bltch to remove and replace because its so close to the vgi valve or actuator or whatever the hell its called. just be patient and it'll come out, to get it back in i needed the help of a very small flathead screwdriver. all in all took about 20mins tops. also there is alot of dirt and grime around the base of the fpr, be careful when cleaning not to get any dirt inside...


      Modified by vtechTHIS at 6:09 PM 9-27-2003


    10. 10-09-2003 06:32 PM #10
      ordered my 4bar.
      anyone with a pics or diagrams that will help with the install?

    11. 10-10-2003 12:37 PM #11
      Quote, originally posted by bakersfield_gti »
      ordered my 4bar.
      anyone with a pics or diagrams that will help with the install?

      here ya go buddy, its VERY straightforward.

      that should help, shoot me an IM if you need any further help


    12. 10-10-2003 02:38 PM #12
      right on! thanks..
      hope my fat hands can get in there.

    13. 10-10-2003 04:27 PM #13
      I take it the 4bar isnt enought of a change to have to worry about the fuel pump not pumping enough gas to the larger fuel rail?
      Pete

    14. 10-10-2003 05:29 PM #14
      same rail, diffrent regulator.

    15. 10-10-2003 09:13 PM #15
      just a word to the wise, be very patient and carefull with the little clip thing....its kind of a pain in the arse.
      first remove the vacuum line then have fun wth the clip.


      Modified by vtechTHIS at 1:15 AM 10-11-2003

    16. 10-11-2003 10:18 AM #16
      what did you use to yank the clip off?

    17. 10-11-2003 11:18 AM #17
      i had to use a pair of small needle nose pliars and a pretty small flathead screwdriver. i don't know if you'll have the same problem but my clip didn't want to come anymore than halfway out, it began hitting the vgi crossover thing. this is where the patience comes into play, just keep pulling it out just be very slow and carefull

    18. 10-11-2003 04:58 PM #18
      i have patience, so all should be good, just huge hands.
      maybe ill make my girlfriend get dirty, hehe
      so you just take the clip off and the thing pops out, or what?

    19. Member dfwvw's Avatar
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      10-14-2003 01:02 AM #19
      so should do this mod on a stock 24V with filter and exhaust?

    20. 10-14-2003 04:30 AM #20
      its something that cant hurt, im just testing things out, thats why im doing it. but its a good mod to have for the future and it dosent cost that much.

    21. 10-14-2003 10:25 AM #21
      Quote, originally posted by bakersfield_gti »
      i have patience, so all should be good, just huge hands.
      maybe ill make my girlfriend get dirty, hehe
      so you just take the clip off and the thing pops out, or what?
      yup, first take off the vacuum line, then the clip, then just give it a little pull. should pop right out. the new one is a little stiff going in because of the new o ring at the base. i just dabbed my finger in some gas, wiped it on the o ring to slightly lubricate it then she slid right in. also be aware that they'll be some dirt around the fpr housing, try your best not to let any fall inside the fpr cavity. i think thats about it. if you have any questions during the install you can email me at rcwhat00@yahoo.com and i'll try my best to help you out. i doubt you'll have a problem though, its almost a no-brainer good luck buddy

    22. 10-14-2003 02:30 PM #22
      im sure i could have figured it out, but i just lazy and wanted to get info from some one who did it already. so, thank u very much for the short schooling and ill be on my way to 4bar land.

    23. 10-15-2003 09:43 PM #23
      Quote, originally posted by dfwvw »
      so should do this mod on a stock 24V with filter and exhaust?

      wondering the same thing, i plan on getting an intake and GIAC this fall/winter, should i wait to do the 4-bar then, or just do it now???


    24. 10-16-2003 12:31 AM #24
      just do it whenever.
      its only like 50 bucks, it cant hurt

    25. 10-20-2003 08:19 PM #25
      Quote, originally posted by FatSean »
      I don't believe in them for most N/A cars. Adding those bolt-ons you mentioned shouldn't increase airflow enough to push the ECU out of it's maps. My 12v car has a head with big valves, cams, intake, exhaust, etc, etc.. and a GIAC cam chip runs it perfectly. No crazy trim adjustments or anything.

      Running that FPR on your mildly modified motor will probably piss off the ECU because it has to adjust to the unexpected fuel reported by the O2 sensor, or it'll be unable to adjst and rich you will run.

      I don't think it'll hurt anything tho.


      Modified by FatSean at 10:07 AM 9-18-2003

      I wouldn't worry about it if you're not chipped...as vtechthis said...it helped with his problem. I'd really only do this if I were adding F/I ie...VF-Eng blower or such. Bakersfield...good luck with the install


      Modified by Schraml MotorSports at 7:25 PM 10-20-2003

    26. 10-21-2003 02:02 PM #26
      got it in today, ill probably install it this weekend.

    27. 10-22-2003 05:46 AM #27
      installed it tonight, let the car sit for a few hours, it didnt make any mess.
      but it was a B!TCH getting that pin out. then the fpr wouldnt come out so i had to yank it out with some big plyers. THEN when i put the new one in and tried to put that pin in it friken poped out and i lost the damn thing for about 2 hours, then i finaly found it inside the fan housing. so i just cut some of the plastic off the thing infront of where the fpr goes and then it went in easier. ill never put one of these things in ever again! hahahahaha

      well see in a couple of days how it works out, i just put in a evo intake tonight so its gonna be a little bit before the car gets used to the new goodies.

      Modified by bakersfield_gti at 1:47 AM 10-22-2003


      Modified by bakersfield_gti at 1:50 AM 10-22-2003


    28. 10-22-2003 10:00 PM #28
      Hope it all works out...

    29. 10-26-2003 06:48 PM #29
      Quote, originally posted by bakersfield_gti »
      installed it tonight, let the car sit for a few hours, it didnt make any mess.
      but it was a B!TCH getting that pin out. then the fpr wouldnt come out so i had to yank it out with some big plyers. THEN when i put the new one in and tried to put that pin in it friken poped out and i lost the damn thing for about 2 hours, then i finaly found it inside the fan housing. so i just cut some of the plastic off the thing infront of where the fpr goes and then it went in easier. ill never put one of these things in ever again! hahahahaha

      well see in a couple of days how it works out, i just put in a evo intake tonight so its gonna be a little bit before the car gets used to the new goodies.

      Modified by bakersfield_gti at 1:47 AM 10-22-2003


      Modified by bakersfield_gti at 1:50 AM 10-22-2003

      see, i told you that damn pin was a pain in the azs. would be like a 2 minute job if the pin wasn't such a bltch. now that i've had mine in for over a month i'm glad to report that somehow my gas milage has INCREASED by over 2mpg on average . powerband also feels smoother, maybe, maybe an extra horse or two up top. all in all definitely worth the $60

    30. Member Razcal's Avatar
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      10-26-2003 07:12 PM #30
      I think I m going to need one of these little upgrades!

    31. 10-26-2003 08:50 PM #31
      Quote, originally posted by vtechTHIS »
      see, i told you that damn pin was a pain in the azs. would be like a 2 minute job if the pin wasn't such a bltch. now that i've had mine in for over a month i'm glad to report that somehow my gas milage has INCREASED by over 2mpg on average . powerband also feels smoother, maybe, maybe an extra horse or two up top. all in all definitely worth the $60

      If you have access to a vag-com, look at your long & short term fuel trim. With the increased rail pressure the ECU is probably decreasing the injector pulse window. More efficient???


    32. 10-27-2003 03:21 PM #32
      yah i noticed gas mileage is better..
      i still get my studder in 1st when i rev it slowly.

    33. 10-27-2003 03:23 PM #33
      dont waste your time if you dont have: intake, exhaust, chip


      Quote, originally posted by Razcal »
      I think I m going to need one of these little upgrades!

    34. 10-28-2003 12:52 AM #34
      should i bother if i have intake, exhaust, pullies, flywheel, chip? sounds interesting when i get some cash ill probably do it just for ****s and giggles, cant really hurt anything so might as well...or i could just get some cams too....hmm i think im gonna go for the most highly modded NA 24v in colorado

      oh wait i probably already am


    35. 10-28-2003 05:56 PM #35
      i would if i was u...

      just be happy if you have small hands.
      i looked like i got in a fight with a cat when i was done.
      my hands and arms are all jacked up from digging my hands all over the engine lookin for the friken clip.


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