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    Thread: The all carb diet.

    1. Member B4S's Avatar
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      2002 Forester S, 1987 GTI 16v
      04-19-2011 08:18 AM #951
      So I've been sitting on a rebuilt 9A for a while now, haven't really been sure what to do with it since my 8v runs so well. I wasn't thrilled with the $$$ they want for 16v manifolds now, especially considering they all seem to be of iffy quality. I got a DCOE intake flange in the mail last night though...hmmm .
      1987 GTI 16v, no build thread.

    2. Member woodrowstar's Avatar
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      04-19-2011 11:57 AM #952
      well, i have a couple of 16v manifolds. 3 to be exact. maybe you and i can work out a carb exchange program within "the all carb diet" ???

    3. Member B4S's Avatar
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      2002 Forester S, 1987 GTI 16v
      04-19-2011 12:02 PM #953
      Hmm...I'm listening .
      What do you need?
      1987 GTI 16v, no build thread.

    4. Member woodrowstar's Avatar
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      04-19-2011 12:29 PM #954
      ...a single "H" body unloaded

    5. Member B4S's Avatar
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      2002 Forester S, 1987 GTI 16v
      04-19-2011 01:23 PM #955
      Darnit . The only Dells I have currently are the non-emissions on my car .
      1987 GTI 16v, no build thread.

    6. Member woodrowstar's Avatar
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      04-19-2011 06:36 PM #956
      any IDFs??

    7. Member B4S's Avatar
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      2002 Forester S, 1987 GTI 16v
      04-19-2011 09:13 PM #957
      Nope, I was an idiot and cleaned out a year ago when I (foolishly) went digi-1. Took it out after three weeks, and had to start my collection over again . I've only got junk currently.
      1987 GTI 16v, no build thread.

    8. Member woodrowstar's Avatar
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      04-20-2011 01:14 PM #958
      so, this isnt working...lol. what ya got. one man junk is another mans junk.

    9. Member B4S's Avatar
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      2002 Forester S, 1987 GTI 16v
      04-20-2011 01:41 PM #959
      A bunch of disassembled Holley 5200 (weber 32/36 clones), some OEM 1.1 and 1.3 Solex 1bbls, a couple SU H4 bodies (painted!).

      Like I said...junk, lol.
      1987 GTI 16v, no build thread.

    10. Member pigryder's Avatar
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      1983 GTI, 1982 Vanagon L Diesel Westy, 11 Tiguan
      04-21-2011 10:14 AM #960
      well guys Ive drivin the gti a few times, went with 130 mains and seems to be running pretty good
      a buddy let me borrow his old school afg so Im gonna hook that up this weekend to see where Im at
      it seems alittle lean at cruising speeds like 1/4 throttle and less


      oh last week I drove it home, as soon as I got home it just died and I played hell getting it up the driveway, Im pretty sure my mr. gasket regulator took a ****, removed it completely and its been running great since
      83 GTI my 16 year love affair
      82 Diesel Westy Vanagon "Stink"

    11. Member B4S's Avatar
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      2002 Forester S, 1987 GTI 16v
      04-22-2011 05:55 PM #961
      Did a bit of tuning today, since my new cruising RPM is in the 3000 range (automatic). I pulled the main jet stacks out and went for a drive on my idles. As it turns out, the idles peter out waaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaay early, they have zero effect on cruise at all almost! I had to drill them out a bit, no clue what they are now. They were 50s, on a .1 holder. I figure I'll need a much richer idle holder and probably a 55 jet to stretch the progression out a bit further. I can't even begin to tune the mains yet, since they're basically in full use at cruise right now .

      I've got some low mojo right now, sucks .
      1987 GTI 16v, no build thread.

    12. Member woodrowstar's Avatar
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      04-22-2011 09:36 PM #962
      Add me to that list, Acc. Pump wont let up. I tried to adjust, broke teh freaking arm. Good thing for a swimming pool of parts laying around.

    13. Member notajetta's Avatar
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      1981 jetta coupe 16v, 2009 Audi A5 3.2L manual Quattro
      04-22-2011 10:27 PM #963
      Quote Originally Posted by B4S View Post
      Did a bit of tuning today, since my new cruising RPM is in the 3000 range (automatic). I pulled the main jet stacks out and went for a drive on my idles. As it turns out, the idles peter out waaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaay early, they have zero effect on cruise at all almost! I had to drill them out a bit, no clue what they are now. They were 50s, on a .1 holder. I figure I'll need a much richer idle holder and probably a 55 jet to stretch the progression out a bit further. I can't even begin to tune the mains yet, since they're basically in full use at cruise right now .

      I've got some low mojo right now, sucks .
      you know, my jetting has been "good enough" for the past year, but i'd like to dig into it a bit more and actually work on dialing it in more. would you be willing to throw out a little info? the idea is to pull out the main jets and see how far you can get (rpm-wise) before the transition to the mains? i'm guessing that it will just dramatically lean out at that point?
      the little coupe that could...

      fondly remembered: 1980 diesel rabbit, 1985 faux-harlequin, 1990 jetta, 2000 v6 passat wagon, 2003 1.8t passat sedan

    14. Member B4S's Avatar
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      04-23-2011 08:20 AM #964
      Yep, if you're on Webers or non-emissions Dells, that's how you do it. You should be able to get to your cruising RPM before it dies out. The mains should have very little effect on your part throttle cruise. Once you get the idle circuit stretched out to where you want it, then you put in a super small main air (150) and a super rich main (160ish). Go for a drive, and there will be a lean hole right after you get off the idles, then it will go super rich. That's when the mains come in. Start going with larger airs until the lean hole disappears, and then set your mains for proper air/fuel, and you're done .

      This is the method that John at Aircooled.net advocates, and it works amazingly well .

      **NOTE**: This will NOT work on emissions Dells, certain Mikuni PHH models, or the rare emissions Webers. These carbs draw their idle fuel from the main stack, instead of from a dedicated idle fuel channel. They need the super aerated fuel from the emulsion tubes to get the idle circuit going properly.
      1987 GTI 16v, no build thread.

    15. Member rubber-side-down's Avatar
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      1983 gti carb'ed 16v swap 2001 audi tt 225 AG
      04-23-2011 07:25 PM #965
      may someone can point me in the right direction just got my carbs all tune up at a local shop and before they were tuned car seems alot faster (i believe the carbs had been tune a little when i got them on my engine) is this just in my head or could something be wrong.



      one other thing im experience al lost of all engine power in 5th gear
      83 rabbit GTI for sale 16v swap running dell 40 to many parts to list send pm $2700obo

    16. Member woodrowstar's Avatar
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      04-23-2011 11:09 PM #966
      video?

    17. Member impulse byer's Avatar
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      04-23-2011 11:59 PM #967
      Quote Originally Posted by rubber-side-down View Post

      one other thing im experience al lost of all engine power in 5th gear
      At WOT or cruising?

    18. Member notajetta's Avatar
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      1981 jetta coupe 16v, 2009 Audi A5 3.2L manual Quattro
      04-24-2011 12:33 AM #968
      Quote Originally Posted by B4S View Post
      Yep, if you're on Webers or non-emissions Dells, that's how you do it. You should be able to get to your cruising RPM before it dies out. The mains should have very little effect on your part throttle cruise. Once you get the idle circuit stretched out to where you want it, then you put in a super small main air (150) and a super rich main (160ish). Go for a drive, and there will be a lean hole right after you get off the idles, then it will go super rich. That's when the mains come in. Start going with larger airs until the lean hole disappears, and then set your mains for proper air/fuel, and you're done .

      This is the method that John at Aircooled.net advocates, and it works amazingly well .

      **NOTE**: This will NOT work on emissions Dells, certain Mikuni PHH models, or the rare emissions Webers. These carbs draw their idle fuel from the main stack, instead of from a dedicated idle fuel channel. They need the super aerated fuel from the emulsion tubes to get the idle circuit going properly.
      you rock. looks like i'm going to have to add some jets to my "to buy" list.
      the little coupe that could...

      fondly remembered: 1980 diesel rabbit, 1985 faux-harlequin, 1990 jetta, 2000 v6 passat wagon, 2003 1.8t passat sedan

    19. Member B4S's Avatar
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      04-24-2011 09:28 PM #969
      Hmm...the automatic does not make for a quiet drive. I'm not sure I'm a fan of extended periods of 3000 rpm cruising (80kph) with dual carbs, considering I'm 40kms (30 min) from the city at 100kph (60mph). I might be swapping to a single for a while, maybe I'll pick up a BFI kit and see how well it's jetted .
      1987 GTI 16v, no build thread.

    20. Member pigryder's Avatar
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      04-25-2011 09:40 AM #970
      LOL Do it
      83 GTI my 16 year love affair
      82 Diesel Westy Vanagon "Stink"

    21. Member B4S's Avatar
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      2002 Forester S, 1987 GTI 16v
      04-25-2011 09:47 AM #971
      Hm, the single downdraft option is no longer on their site.
      1987 GTI 16v, no build thread.

    22. Member rubber-side-down's Avatar
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      04-25-2011 11:15 AM #972
      Quote Originally Posted by impulse byer View Post
      At WOT or cruising?
      anything more than cruising qnd itll die
      83 rabbit GTI for sale 16v swap running dell 40 to many parts to list send pm $2700obo

    23. Member B4S's Avatar
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      04-26-2011 11:27 AM #973
      Eurocarb loves me right now, lol. Ordered some 31mm chokes, 45 and 50 idles (drilled out my current 50s), .2 idle holders, 140 airs, and should be getting my 75mm horns this week. Hopefully the smaller chokes will punch up the midrange a bit, to compensate for the sluggish feel of the auto when coming away from a stop or matting it while cruising. I'm not really a racer anymore, so I don't think I'll miss the power from 5000+. I've also got an 'O' grind camshaft (2500 torque peak), with 0* overlap (canadian spec Mk3 1.8 CL) I might re-install (used it before I got my nospeed 256*).

      Next up...fixing the exhaust leak.
      1987 GTI 16v, no build thread.

    24. Member pigryder's Avatar
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      04-26-2011 09:19 PM #974
      Looking for some larger idles and the only place I have found them yet is on ebay at 10.88 ea plus shipping
      83 GTI my 16 year love affair
      82 Diesel Westy Vanagon "Stink"

    25. Member vwgroundpilot's Avatar
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      04-26-2011 09:46 PM #975
      This is an awesome thread. I'm reading it through... up to page 11 so far. If I can't get my CIS-E tuned up without a crapload of parts, I'm ordering the K407 Weber kit. Wanted that kit since I first saw it over 10 years ago... always been a fan of old European engines with one venturi per cylinder.

      So I've got most of my shopping list together... been looking for the best price on the K407 kit, best price/type of fuel pressure regulator, ignition system add-on (going to use the knockbox with an add-on system like Mallory VI-AL or Jacobs Pro-Street), and tuning tools.

      Couple questions...

      1) What's everyone running for a pump & regulator setup? I'm leaning toward either A) existing in-tank pump with Filter King or Holley regulator... or B) PMO Pressure Control Unit (with existing CIS-E high-pressure pump and return line setup).

      2) Where does one order a Colortune from? All the websites are UK... can I get one shipped to the US for a reasonable price? I want this thing even if I keep running CIS-E for the immediate future.

      (FYI... car is a 1986 GTI 1.8 8v RD-code)

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