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    VWVortex


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    Thread: 1988 CABBY.....work in progress....PIC HEAVY

    1. Member
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      08-31-2011 10:57 PM #76
      Pump came in.....2 things concern me...one.....NO PLUG CAME WITH IT....and....the description says..."Type ROLLERVANE Volts 12 GPH Wide Open 40 PSI Shut Off 65-95 Ground NEG Location IN-TANK"

      what the hell does that mean?

    2. Member Romeo Chi's Avatar
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      08-31-2011 11:30 PM #77
      Quote Originally Posted by mileycyrus View Post
      Pump came in.....2 things concern me...one.....NO PLUG CAME WITH IT....and....the description says..."Type ROLLERVANE Volts 12 GPH Wide Open 40 PSI Shut Off 65-95 Ground NEG Location IN-TANK"

      what the hell does that mean?
      1) They wouldn't put an electrical plug on it, because they don't know what YOU are connecting it to. So it would be a waste of money to put a random connector on it.

      2) Roller Vane is the type of pump, this model flows 12 gallons per hour, wide open (full blast) with a 40 psi shut off or 65-95. Too vague to tell.

      3) Google is your friend, you could figure this out I'm sure.

    3. Member
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      09-01-2011 09:47 AM #78
      Quote Originally Posted by Romeo Chi View Post
      1) They wouldn't put an electrical plug on it, because they don't know what YOU are connecting it to. So it would be a waste of money to put a random connector on it.

      2) Roller Vane is the type of pump, this model flows 12 gallons per hour, wide open (full blast) with a 40 psi shut off or 65-95. Too vague to tell.

      3) Google is your friend, you could figure this out I'm sure.
      no, the male end plugging to the pump,(pigtail)....you know with the 2 wires loose for connection to the car......and the vague stuff is what worries me...i get the numbers....but this goes against all the research ive done on this unit.....

      i think i just need to get another one....

    4. Member
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      09-01-2011 10:03 AM #79
      Im thinking Walbro 255lph high pressure pump......these are cheap and a good quality ump that can push what this car needs....

    5. Member MK2_GTI's Avatar
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      09-01-2011 12:01 PM #80
      Actually no they arnt Ive already tried to use a wahlbro 255 with CIS.. If you were going digi or MS then yes i would go with a 83 rabbit GTI pump they are inline and work with cis.

    6. Member
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      09-01-2011 06:53 PM #81
      thats 2 times ive heard that about the rabbit pump......im sold, do you think i still need the feeder in-tank deal?

    7. Member
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      09-01-2011 07:00 PM #82
      also, is it Bosch?, anyone know the brand and part # to research and find this pump...?

    8. Member MK2_GTI's Avatar
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      09-02-2011 01:57 AM #83
      Ya you will still need the low pressure in tank (transfer pump) unless you got a rabbit fuel tank and swapped that in there.

      http://www.germanautoparts.com/Volks...bbit/Fuel/97/1
      You will need a banjo fitting for the output side but there already should be one there.

      You could actually replace that banjo fitting with a npt barbed fitting if you needed to.
      Last edited by MK2_GTI; 09-02-2011 at 02:03 AM.

    9. Member
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      09-06-2011 12:09 PM #84
      thanks guys...

    10. Member
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      09-06-2011 12:09 PM #85
      just got home from the weekend in Atl., back to work on this.

    11. Member
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      09-07-2011 06:49 PM #86
      I GAVE IN......ordered the factory replacement bosch main pump...the one in there lasted over 20 years...so why change it if it works....ill update when i get more work done, and it stops raining....lol

    12. Member Romeo Chi's Avatar
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      09-08-2011 11:55 AM #87
      WUSS! Think you made the right decision with going OEM pump.

    13. Member
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      09-08-2011 09:46 PM #88
      lol....i know, im just big on improving the functioning of the car.....but...this seems the best route.

    14. Member
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      09-10-2011 10:30 PM #89
      havnt put in it yet, as its been raining almost non-stop for over a week.....so...post updated soon..

    15. Member
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      09-13-2011 01:24 PM #90
      FUEL PUMP WORK TODAY!!!!.....ill post pics and such later!!!
      Last edited by mileycyrus; 09-13-2011 at 01:25 PM. Reason: wrote suck instead of such...lol

    16. Member
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      09-13-2011 02:42 PM #91


      figured id get this cleaned up and painted as well.....tired of looking at it being rusted....

    17. Junior Member
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      09-13-2011 05:12 PM #92
      Fun looking cabby.! I just bought a 85 and I was going to run 15x8.25 's but this makes me want to do something skinnier. Haha

    18. Member
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      09-13-2011 06:31 PM #93
      thanks man......

    19. 09-13-2011 07:50 PM #94
      Quote Originally Posted by mileycyrus View Post
      anyone??
      Fuel pressure. The CIS pumps deliver about 75psi, IIRC, and get up to 120psi. The digi pump is capable of about 40psi. Use a lower-pressure pump on CIS and you might get it running but when you stomp on it... pump doesn't deliver the required fuel flow.

      For scale, CIS pumps will deliver enough fuel to run a vr6 with boost.

    20. Member
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      09-13-2011 10:26 PM #95
      OK.....replaced the factory pump.....after a few key turns...got it running...some revving and allowing it to warm up and ooooh it sounded smooth.....so i drive it around the neighborhood a bit, come back to the house, and i go out again to get a few bucks in gas.....but i hear that duck-like whine again from the pump area......decide not to, and drive back....and low an behold...it shutters...again.....i ease it to a light, make my turn and get about 5 houses...shuttering and finally it stalls...THE EXACT SAME THING AS BEFORE!.....wait about 2 minutes, and start it back up.....drive it a few blacks to my road...shutters again and i just coast it into the driveway....

      after a short hands-on inspection......of the noise....its the fuel accumulator making all the noise, judging by the vibration, which was consistent with noise....and the pump wasnt vibrating much at all........the pump isnt hot...but that is...WTF......could crud in the lines and tank be causing this issue????

      someone please help me out this car is driving me nuts!!!

    21. Member briano1234's Avatar
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      09-13-2011 10:28 PM #96
      A plugged filter can cause the issues, the accumulator, and filter are suspect. If your tank is full of crud then there are a few possibilities....
      Grounds, Grounds, Grounds Replace them things.
      Divorces, Great Coffee, and Electrics, all start with GOOD Grounds.

      Another Useless Ground Thread
      I am a Commodian. I tell really Crappy jokes.
      HAVE YOU CHECKED THE FAQ's ABOVE..PAGE 3 Thread 75?

    22. Member
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      09-13-2011 10:32 PM #97
      would the accumulator heat up?....and whine??.....as for the filter thats under the hood...nice and quiet....

    23. Member
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      09-13-2011 10:34 PM #98
      is there a diagram of the CIS fuel accumulator somewhere?

    24. Member
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      09-13-2011 11:31 PM #99
      im reading more posts...and it seems this accumulator and the lines going in and out are problem areas......im going to have to pull it all out again i think.....take it all apart...and inspect and clean everything....is the accumulator something that would need replacing....or can it be cleaned?

    25. Member
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      09-14-2011 02:18 AM #100
      i dont suppose anyone has an idea to keep my oil pan from scraping the ground........lol...i scraped it tonight running around the neighborhood

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