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    Thread: The all carb diet.

    1. Member B4S's Avatar
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      2002 Forester S, 1987 GTI 16v
      06-22-2008 05:31 PM #1
      And if you don't like 'em...try to keep the hate posts to a minimum, ok? . It'd be nice to see who is running what.
      Here's my collection:
      The Dellorto DHLA 40Hs (emissions-based carb) currently on my car (under construction)

      Some Mikuni 40PHHs I just picked up...in case the Dells are a bit too much extra work to tune around the 'emissions' mods they have.

      I've also got a nice downdraft manifold from a Canadian-spec MkIII Golf CL (it runs a TBI setup, on the carb manifold) that I'm tempted to play with one day. A nice little progressive Weber...mmm.
      1987 GTI 16v, no build thread.

    2. Member v-dubin@120's Avatar
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      1991 all-motor 16v gti drag car, 1997 F250HD 7.3L powerstroke, 99.5 2.0 Golf, 2001 7.3L Excursion
      06-23-2008 02:28 AM #2
      Here's my set-up. DCOE45's on a custom manifold. this was fun, but im going to be changing it up with some 48's and a shorter manifold.

      only problems i had with this set-up was i had to pop-up the back of the hood to clear the carbs, and the trumpets were too close to the raintray to run filters. good thing it was in a racecar.

    3. Member B4S's Avatar
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      2002 Forester S, 1987 GTI 16v
      06-23-2008 06:35 AM #3
      I've always liked the look of that setup [IMG]http://**********************/smile/emthup.gif[/IMG]
      1987 GTI 16v, no build thread.

    4. Member Jettaboy1884's Avatar
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      06-23-2008 11:15 PM #4
      That's a pretty kickass setup on the 16v!
      Did you have any problems with the carbs being somewhat far away from the head, and/or the fact that the air fuel mix has to make a near 180 degree turn?
      I Like to Buy Bins of Loose LEGO's - PM Me if you have some you don't want.

    5. Member B4S's Avatar
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      2002 Forester S, 1987 GTI 16v
      06-24-2008 12:20 PM #5
      If anything, I'm guessing that the atomization of the fuel would be pretty thorough. As long as it didn't end up pooling anywhere, I bet it ran really well. The aircooled guys sometimes end up using long manifolds like that, in a single carb setup.
      1987 GTI 16v, no build thread.

    6. Member the12for12's Avatar
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      06-24-2008 01:25 PM #6
      Quote, originally posted by B4S »
      I've always liked the look of that setup [IMG]http://**********************/smile/emthup.gif[/IMG]

      X2

    7. Member B4S's Avatar
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      2002 Forester S, 1987 GTI 16v
      06-29-2008 08:01 PM #7
      Spent the afternoon under the car, getting filty (I really need to paint the garage floor) and installing the exhaust. Got a nice little vid after I set the idle speed and did a basic sync on the carbs while I wait for my balancer to arrive. I am in LOVE with the sound of these carbs...it's awesome!
      http://www.youtube.com/watch?v=hRftT_aAkpI
      1987 GTI 16v, no build thread.

    8. Member Jettaboy1884's Avatar
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      06-29-2008 08:13 PM #8
      Quote, originally posted by B4S »
      ... I am in LOVE with the sound of these carbs...it's awesome!
      http://www.youtube.com/watch?v=hRftT_aAkpI

      Agreed! Sounds good. Now go out and do a few WOT pulls - In car, and outside.
      I Like to Buy Bins of Loose LEGO's - PM Me if you have some you don't want.

    9. Member B4S's Avatar
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      2002 Forester S, 1987 GTI 16v
      06-29-2008 10:05 PM #9
      Still pretty far off from that I'm afraid .
      Incomplete brake lines, no axles, windshield, fenders, doors, interior, etc
      1987 GTI 16v, no build thread.

    10. Member FATGUYINALITTLEDUB's Avatar
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      07-01-2008 11:43 PM #10
      weber 45's 2L bored to a 2.1L and a list of internal goodies to long to post...




      Modified by FATGUYINALITTLEDUB at 11:12 AM 7-2-2008

    11. Member B4S's Avatar
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      2002 Forester S, 1987 GTI 16v
      07-03-2008 09:07 AM #11
      I've been having 'teething pains' with my Dells, the car has been a HUGE pain to start up. All those problems are solved now, and it turns out the issue is a carb-ignorant owner .
      Here's what I've learned:
      - when running without a manual choke cable, the 'pump-pump-crank' method of starting the car requires MORE than 1/8" throttle while cranking. I've never had to push the gas when starting a car, who knew.
      - if there is a manual choke available, USE IT. This is apparently not recommended for Webers DCOEs due to it being too crude, but my Dellortos LOVE it. Pull cable, turn key, VROOM! No pedal required. The 2000 rpm idle is fun too .
      - if there is an obvious leak (say, at the acc pump jet covers that keeps the diaphragm from priming the system), FIX THEM IMMEDIATELY. They work MUCH better with new gaskets (ghetto O-rings from a local auto parts store) keeping the gas in.
      I gotta tell ya, after being a die-hard EFI/Standalone guy for 10 years, these things are really showing me what I don't know about cars, and I like it. Very eye-opening, and I haven't even gotten to the road tuning yet. The appeal of never having to have a laptop in the car is [IMG]http://**********************/smile/emthup.gif[/IMG].


      Modified by B4S at 9:09 AM 7-3-2008
      1987 GTI 16v, no build thread.

    12. 07-03-2008 02:06 PM #12
      WEAK. I'll post some picks of my 8 sets when i get home.

      ...carbs are for men.

    13. Member B4S's Avatar
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      2002 Forester S, 1987 GTI 16v
      07-03-2008 02:58 PM #13
      Hey, I've only just started collecting .
      I've got a set of H4 SUs in the basement though, considering giving them a try after the Dells .
      1987 GTI 16v, no build thread.

    14. Member the12for12's Avatar
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      07-04-2008 05:44 AM #14
      Quote, originally posted by B4S »
      Hey, I've only just started collecting .

      here is a hint,
      Buy EVERY Italian DCOE core you can find, Udig?
      Considering most of us are running the Spanish stuff.

    15. Member B4S's Avatar
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      2002 Forester S, 1987 GTI 16v
      07-04-2008 06:27 AM #15
      Noted .
      Almost had a carb-removing-and-going-back-to-EFI moment last night when the throttle linkage on the leftmost carb that connects to the balance screw mechanism fell off. My motivation to remove the carb and repair it was low, but I got it done. The last thing I did before bed was fire the car up just to hear the sound.
      Tomorrow I start re-balancing the carbs.
      1987 GTI 16v, no build thread.

    16. Member B4S's Avatar
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      2002 Forester S, 1987 GTI 16v
      07-04-2008 09:33 PM #16
      The final result, mixture set and carbs balanced .
      http://www.youtube.com/watch?v=lep0bwRXPRI
      1987 GTI 16v, no build thread.


    17. Member the12for12's Avatar
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      07-05-2008 04:39 PM #18
      ^^^^^^^^^^
      NO mounts?
      Straight metal on metal??
      Luv IT!!!!
      Makin' it happen, Udig?
      [IMG]http://**********************/smile/emthup.gif[/IMG]

    18. Member B4S's Avatar
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      07-07-2008 03:17 PM #19
      I'm tempted to use the plastic spacers/O-ring setup I have, my MISAB gaskets and rubber isolators seem to let air leak out slightly. On a lean pop (prior to the current tune) I could see it from between the manifold and carbs. I tightened it up a bit, and so far so good...but realistically, how bad is the aerating if it's metal to metal?
      1987 GTI 16v, no build thread.

    19. 07-07-2008 05:40 PM #20
      I don't have any problems, but It's a 1/4 mile car. I couldn't get the 2 orings and holder to seal correctly, always had leaks. Probably a bad quality one, but I would rather have them bolted solid with a paper gasket.

    20. Member the12for12's Avatar
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      07-07-2008 09:28 PM #21
      Metal on metal is VERY doable, Udig?
      I just thought I was the only NUT who did it!
      As I said before .... makin' it happen [IMG]http://**********************/smile/emthup.gif[/IMG] [IMG]http://**********************/smile/emthup.gif[/IMG] [IMG]http://**********************/smile/emthup.gif[/IMG]

    21. Member the12for12's Avatar
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      07-08-2008 06:21 AM #22
      Quote, originally posted by B4S »
      I'm tempted to use the plastic spacers/O-ring setup I have, my MISAB gaskets and rubber isolators seem to let air leak out slightly. On a lean pop (prior to the current tune) I could see it from between the manifold and carbs. I tightened it up a bit, and so far so good...but realistically, how bad is the aerating if it's metal to metal?

      Make cardboard gaskets.
      Rubber and heat doesn't mix well, Udig? Add gas and things really get nutted up quick.
      More leaks than a recycled geriatric diaper


      Modified by the12for12 at 6:32 AM 7-8-2008

    22. Member B4S's Avatar
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      2002 Forester S, 1987 GTI 16v
      07-11-2008 10:25 PM #23
      Drove the car under it's own power tonight, for 10' .
      Holy hell it's loud...and I'm running a 1.5" exhaust.
      All carb growl baby!
      1987 GTI 16v, no build thread.

    23. 07-11-2008 10:39 PM #24
      The reason you are lean popping is most likey those leaks. Take a propane torch, turn the gas on low, and wave it around the carb to manifold area. Listen for idle changes.
      The plastic spacers break if you overtighten them, and leak/suck in the oring if they are under torqued. No win situation for me at least.

    24. 07-14-2008 01:58 PM #25
      well, actually, no. I don't dig. I read in both the Braden and the Passini weber books the importance of the soft mount. Found on Bradens book page 126:
      "First, a warning: Sidedraft Webers such as the DCO series are very sensitive to vibration such as found on four cylinder engines. Severe engine vibrations cause fuel to foam in the float bowl, which adversely affects the float level and mixture strength. For this reason, always use a rubber spacer between the carb and the intake manifold to isolate the float bowl. "
      I don't know, maybe I just don"t have the right shovel or something.......

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