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    Thread: FAQ - Carbs

    1. Member Lowjack's Avatar
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      11-12-2006 09:20 PM #76
      ABF water outlet part number
      037 121 132 j
      water outlet on front of head that gets in the way
      I've got a lovely bunch of coconuts...

    2. Member mark memory's Avatar
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      12-05-2006 07:55 PM #77
      What other carbs can be used? Some mikunis or delltoros? And what size? Should they be around the 40-45mm range and side drafts?

    3. 12-14-2006 04:20 PM #78
      Quote, originally posted by mark memory »
      What other carbs can be used? Some mikunis or delltoros? And what size? Should they be around the 40-45mm range and side drafts?

      16v's require sidedrafts, 8v's require downdrafts. typical carbs used on VW's are either Weber's or Dellorto's. a lot of people reccommend the Webers because you can still get parts for them, and I would agree with that statement. I haven't seen any carbs much bigger than the range of 40-45mm.
      I used the Dellorto's, and was really impressed with them.

    4. Member g60manny's Avatar
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      12-21-2006 10:42 AM #79
      Quote, originally posted by MoGtheMooGle »
      16v's require sidedrafts, 8v's require downdrafts. typical carbs used on VW's are either Weber's or Dellorto's. a lot of people reccommend the Webers because you can still get parts for them, and I would agree with that statement. I haven't seen any carbs much bigger than the range of 40-45mm.
      I used the Dellorto's, and was really impressed with them.

      sent im [IMG]http://**********************/smile/emthup.gif[/IMG]

    5. Member
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      12-21-2006 11:23 AM #80
      Quote, originally posted by MoGtheMooGle »
      16v's require sidedrafts, 8v's require downdrafts.

      Just a correction, 8V's can use sidedrafts just like 16V's. Downdrafts are usually used in factory carb type installations. for performance sidedrafts are the way to go when carbs are concerned on a watercooled VW motor
      '83 GTI 2L Dell 40's (crashed)
      '86 Cabby ABA/SDS - Bitch Basket
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      West Coast President - Dubsquad Conglomerate International

    6. 12-21-2006 11:57 AM #81
      Quote, originally posted by 2L Bunny »
      Just a correction, 8V's can use sidedrafts just like 16V's. Downdrafts are usually used in factory carb type installations. for performance sidedrafts are the way to go when carbs are concerned on a watercooled VW motor

      for an 8v to use a sidedraft setup, wouldn't you be talking about a x-flow motor where the intake is on the front and the exhaust is on the back? otherwise, if you were mounting carbs on a rear-mounted intake setup, you would have to fab up a manifold so that the carbs would be laying flat.
      if the sidedraft carbs aren't sitting level, the fuel would flow down the venturis incorrectly.

    7. 12-21-2006 04:26 PM #82
      Many manifolds exist for counterflow 8v heads and have been used for years. Also, sidedrafts can function properly at a maximum angle of 7 degrees above horizontal.

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      12-22-2006 12:16 AM #83
      Quote, originally posted by Mk2enthusiast »
      Many manifolds exist for counterflow 8v heads and have been used for years. Also, sidedrafts can function properly at a maximum angle of 7 degrees above horizontal.

      Yup, I've got a set of Dellorto sidedrafts on my Race rabbit with a counterflow 8V. If you're ever up in Corvallis you're welcome to take a look.
      '83 GTI 2L Dell 40's (crashed)
      '86 Cabby ABA/SDS - Bitch Basket
      '07 Tundra -DD - more front travel than a Raptor

      West Coast President - Dubsquad Conglomerate International

    9. 01-17-2007 05:58 PM #84
      You can get parts for the dellortos from the factory in italy if you are prepared to pay some money.

    10. 01-22-2007 04:58 PM #85
      when you guys say that you keep the intank pump as well are you:
      1- using only the oem intank pump?
      2- Using the carter pump and the intank (wired up and pumping)
      3- Using the carter pump only and just leavign the intank pump in the tank and using it as a pickup only for the carter?
      Also on aside note about msd, i have a 6al box, can i either
      1- use my factory digifant dist. with the icm as pictured in this thread
      2- use and older vacuum advance distributer and wire it straight up to the msd box?
      thanks Andy

    11. 01-22-2007 06:09 PM #86
      Quote, originally posted by Red Robertson »
      when you guys say that you keep the intank pump as well are you:
      1- using only the oem intank pump?
      2- Using the carter pump and the intank (wired up and pumping)
      3- Using the carter pump only and just leavign the intank pump in the tank and using it as a pickup only for the carter?
      Also on aside note about msd, i have a 6al box, can i either
      1- use my factory digifant dist. with the icm as pictured in this thread
      2- use and older vacuum advance distributer and wire it straight up to the msd box?
      thanks Andy

      2/3 are the same but people have done all those fuel configurations with success (in conjunction with a regulator).
      If using the stock distributor, the icm only amplifies the signal from the hall effect, allowing a timing comupter (e.g. MSD PN 8980) to deliver an advance curve.

    12. 01-22-2007 06:47 PM #87
      Quote, originally posted by Mk2enthusiast »
      If using the stock distributor, the icm only amplifies the signal from the hall effect, allowing a timing comupter (e.g. MSD PN 8980) to deliver an advance curve.

      do you think the 8980 would be the best bet? i liked the idea of the adjustable timing controller pn 8680 (knob on the dash) but does it deliver a curve as well or just a straight adjustment?
      would the programable timing controller (pn 8981) be of any benifit over the fixed curve?
      but would a vacuum advance dist. provide an equivlant curve?

    13. Member der hare's Avatar
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      01-26-2007 11:54 PM #88
      What throttle cable is used when running dcoe on a counterflow 8v?
      I'm guessing stock carbuerated throttle cable?
      Anyone have a good source for the metal air cleaners for a dcoe setup?
      Rando
      DCIVW

      derhare

    14. 01-28-2007 06:41 PM #89
      Quote, originally posted by der hare »
      What throttle cable is used when running dcoe on a counterflow 8v?
      I'm guessing stock carbuerated throttle cable?
      Anyone have a good source for the metal air cleaners for a dcoe setup?

      K&N has them listed on their website

    15. Member vdub4life_89's Avatar
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      01-29-2007 08:06 PM #90
      WOW...good info.....well im about to jump feet 1st into the carb world.....i have put a 8v together with a set of solex carbs what would i need to know if i pulled my stock 83 rabbit motor and put this built 8v in??? do i need diff. fuel pump....ect.??? im me please if you have the time and thanks agian guys for all the info
      Luke

    16. 01-29-2007 11:09 PM #91
      Quote, originally posted by Red Robertson »
      do you think the 8980 would be the best bet? i liked the idea of the adjustable timing controller pn 8680 (knob on the dash) but does it deliver a curve as well or just a straight adjustment?
      would the programable timing controller (pn 8981) be of any benifit over the fixed curve?
      but would a vacuum advance dist. provide an equivlant curve?

      All the MSD boxes are fairly equivilent, adjustablity within 20 degrees of your mechanically set full advance. The programmable (8981) merely allows adjustment in the slope of advance and initial timing within, again, 20 degrees of your mechanical set.

      Digging around on here, the net, or in a Bentley you should find the curve of an OEM vaccum advance or mechanical advance distributor. I know people have used one from a Saab as well.
      If you're serious about dialing in your own ignition curve, the best route would be a distributorless ignition system like Electromotive for example.
      Based on this and your budget you should be able to settle on something [IMG]http://**********************/smile/emthup.gif[/IMG]

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      02-13-2007 08:22 PM #92
      So much great info my head is spinning, trying to read as much as possible and have as few questions as possible. Now I'm in need of beer and it's raining ice outside.

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      02-25-2007 12:54 PM #93
      Ok, question.
      It says the carter feul pump needs no fuel pressure regulator but then it suggests one? Which is it, no fpr or with fpr?

    19. 02-25-2007 12:58 PM #94
      Quote, originally posted by OnTheRunDCI »
      Ok, question.
      It says the carter feul pump needs no fuel pressure regulator but then it suggests one? Which is it, no fpr or with fpr?

      I would suggest one, people say its not needed because the max psi rating of the carter pump should not hurt most carbs, but if yould always like constant Fuel pressure, id get a regulator

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      02-25-2007 01:40 PM #95
      Thanks, that's what I thought. Just something to make it work bettah.

    21. Member lehr leistung's Avatar
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      04-30-2007 08:12 PM #96
      i recently put a holley 1-4 reg set to 3.5 on mine, i was getting too much fuel in the bowls with just the carter...
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    22. Member VWCR8ZY's Avatar
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      05-14-2007 06:26 PM #97
      I am not running a regulator with my set-up, but will be adding one to see if it works.
      btw: 1.8 12.5 comp, 270cam, holley 350 with #57 jets, carter pump.
      I will update and let you know if anything gets better or worse. [IMG]http://**********************/smile/emthup.gif[/IMG]

    23. Member PNW_Dubbin_Ain't_Easy's Avatar
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      05-23-2007 11:13 PM #98
      ok guys help me out. Im runnin and 8v with a 2 barrol down draft weber. I have everything hooked up but the throttle cable can i see some pics of how you guys have hooked yours up? also anyone want a wiring question that is killin me>? thanks for your time

    24. Member PNW_Dubbin_Ain't_Easy's Avatar
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      05-24-2007 11:01 AM #99
      thought of another question... Where does the wire on the elec choke goto?? the one on the front of the carb?

    25. Member vee_dubb_gti's Avatar
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      05-25-2007 01:15 AM #100
      the wire goes to 12v key on. (off the coil) if you wnat to see a pic. look in my sig. the one with the webber for sale. that should have a pic of my old one installed.i know it sounds getto, but i used some big nuts as spacers. if you wnat some better pics, let my know.
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