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    Thread: build thread: 16v + cbr900 carbs + high compression

    1. Member microdub98's Avatar
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      11-22-2010 04:02 PM #26
      Cool, thanx for the info on the pipe. Last question.....it looks like you have one of those cheaper Mr. Gasket FPR's ya get at pep boys/advanced auto, how's that workin for ya??? My set up came w/ one from the PO & a friend told me not to use it cuz they're "unreliable". I figured it came w/ the set up outta a running car so it can't be to unreliable.

    2. Member yeayeayea's Avatar
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      11-22-2010 04:34 PM #27
      It works, i haven't had any problems with it but im not going to say its the best thing out there. Since I could never get my gauge to read above 0psi i dont know how consistent it is at regulating the flow with changes in rpm/engine load but i dont plan on changing it anytime soon.

    3. Junior Member curtis_mk3's Avatar
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      11-22-2010 07:39 PM #28
      I'm actually buying my 16v and cbr 900 carbs tomorrow to start a similar build, but im shooting for 13:1 compression ratio.

    4. Member yeayeayea's Avatar
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      11-22-2010 09:56 PM #29
      Quote Originally Posted by curtis_mk3 View Post
      I'm actually buying my 16v and cbr 900 carbs tomorrow to start a similar build, but im shooting for 13:1 compression ratio.
      1,8 or 2.0? and that will be a very mean engine next step for mine is likely a minor teardown to do all the powdercoating i didnt get done this year

    5. Member Dave926's Avatar
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      11-28-2010 02:09 PM #30
      I wish I stuck with my carbs. Trying to make it driveable in a weekend because it was my daily at the time wasnt the smartest thing I could have done.

      Im ready to dump my turbo **** to go back to carbs, nothing like getting to tinker with things with tools.

      Yeayeayea, how is the access to work on the carbs or adjust them. My r1's sucked absolutely no chance of removing the main jet without taking the whole rack off.

      Post up what you did for a throttle cable too please.

    6. Member nwvwgli's Avatar
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      11-28-2010 03:08 PM #31
      i used the stock cable for my carbs and crimped the j hook from my mk2

      check these out so cool
      http://www.parsonsengineering.com.au...s/clamps86.jpg

    7. Member yeayeayea's Avatar
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      11-28-2010 03:22 PM #32
      those cable clamps are sweet. as for a cable, I think it is a bicycle brake cable crimped to the stock cable. not ideal by any means...

      for the carbs, yeah i would have to pull the whole rack to change jets. luckily i haven't had to do that.

    8. Member Dave926's Avatar
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      11-28-2010 11:10 PM #33
      Quote Originally Posted by nwvwgli View Post
      i used the stock cable for my carbs and crimped the j hook from my mk2

      check these out so cool
      http://www.parsonsengineering.com.au...s/clamps86.jpg
      Quote Originally Posted by yeayeayea View Post
      those cable clamps are sweet. as for a cable, I think it is a bicycle brake cable crimped to the stock cable. not ideal by any means...

      for the carbs, yeah i would have to pull the whole rack to change jets. luckily i haven't had to do that.
      Of course I see the cable clamps and the steel flange well after I sold my carbs, that would have made life so much easier.

      Come to think of it I still have my old mikuni's sitting around, it was my R1's that i sold. yeayeayea what year did your carbs come off of?

      My old mikuni;s came from an 80's gixxer and were gravity fed. they only need something like 1 psi and that was why i ditched them and went with the R1's.

      My next mk2 is going on carbs, regardless if they webers, bike carbs, dells w/e. Im not done with my turbo **** and Ive already had enough.

    9. Member yeayeayea's Avatar
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      11-29-2010 05:08 AM #34
      my carbs came off a cbr 900 rr

    10. Member mk2fu's Avatar
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      12-01-2010 12:09 PM #35
      http://forums.vwvortex.com/showthrea...Carb-Questions

      anyone who wants info on a bike carb setup, started the thread, glad someone took it somewhere.

    11. Member Dave926's Avatar
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      12-01-2010 12:41 PM #36
      I looked at your other post in the bike carb write up thread, how did you get your pressure so low?

      I had a holley 1-4psi reg and a mr gasket fuel filter, it would not go under 2 psi when i ran the stock intank. The second time i tried my old mikuni's i used a ball valve for ****s and giggle and it still poured fuel down the bowls.

    12. Member yeayeayea's Avatar
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      12-01-2010 01:20 PM #37
      Quote Originally Posted by mk2fu View Post
      http://forums.vwvortex.com/showthrea...Carb-Questions

      anyone who wants info on a bike carb setup, started the thread, glad someone took it somewhere.
      thank you for linking that here. that thread was pretty valuable in getting my project started

    13. Member yeayeayea's Avatar
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      12-01-2010 01:22 PM #38
      Quote Originally Posted by Dave926 View Post
      I looked at your other post in the bike carb write up thread, how did you get your pressure so low?

      I had a holley 1-4psi reg and a mr gasket fuel filter, it would not go under 2 psi when i ran the stock intank. The second time i tried my old mikuni's i used a ball valve for ****s and giggle and it still poured fuel down the bowls.
      What year is your car? my car was cis so the stock in tank pump was a low pressure pump and it had an external high pressure pump mounted under the car. if your car is EFI stock, your intank pump may be different. I know the mk3's only have one pump, the intank, so it must be a high pressure intank pump.

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      01-07-2011 12:17 AM #39
      what octane are you running for 11:1?

    15. Member yeayeayea's Avatar
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      01-07-2011 02:00 PM #40
      Quote Originally Posted by tjcantone View Post
      what octane are you running for 11:1?
      Just 93 with the ignition advanced as far as it will go.


      In other news, I got some plate aluminum and almost finished setting up my new bandsaw so the fabrication is about to get started. going to a more motorsport approach I believe. should be even more fun to drive!

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      01-23-2011 10:14 AM #41
      Quote Originally Posted by yeayeayea View Post
      Just 93 with the ignition advanced as far as it will go.


      In other news, I got some plate aluminum and almost finished setting up my new bandsaw so the fabrication is about to get started. going to a more motorsport approach I believe. should be even more fun to drive!
      what type of ignition set up you are runnig. I'm installing a 16v. 1.8 on a mk1 jetta here in Germany which it actually came original with a 1.3 carb engine. any ideas on how to run an ignition sys tem for this. Please advice
      thanks

    17. Member yeayeayea's Avatar
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      01-23-2011 12:22 PM #42
      I am running the factory 1989 1.8 16v ignition. everything about my ignition is completely stock except for the wires. I believe it is referred to as the knock box ignition.

    18. 01-24-2011 09:58 AM #43
      Hey buddy, I'm currently sourcing parts for the same build over here in the UK. But mine will be an ABF lump but not sure what carbs I'll be running.
      Have you lightened the flywheel or added cams yet?

    19. Member yeayeayea's Avatar
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      01-24-2011 05:57 PM #44
      Quote Originally Posted by Tarmac Terrorist View Post
      Hey buddy, I'm currently sourcing parts for the same build over here in the UK. But mine will be an ABF lump but not sure what carbs I'll be running.
      Have you lightened the flywheel or added cams yet?
      I have autotech cams installed, and I have a LW flywheel to install, but that hasnt been done yet.

      I may be getting another 16v car, and another set of cbr carbs. its going to be madness if i have 2 carbed vw's

    20. Member OrangeDUB's Avatar
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      01-27-2011 10:32 AM #45
      yeayeayea, WHAT UP HOMIE!!!????

      Glad to see this is still alive! I've got a rats nest of wiring to sort out under the hood of my mk1 and then I should be good to go on mine.

      So drilling the main jet out a little was enough to make it run right?
      Last edited by OrangeDUB; 01-27-2011 at 10:35 AM.

    21. Member yeayeayea's Avatar
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      01-27-2011 09:59 PM #46
      Quote Originally Posted by OrangeDUB View Post
      yeayeayea, WHAT UP HOMIE!!!????

      Glad to see this is still alive! I've got a rats nest of wiring to sort out under the hood of my mk1 and then I should be good to go on mine.

      So drilling the main jet out a little was enough to make it run right?
      sure was! however i wish i had gone with a little smaller drill bit and worked my way up. Also I wish I had done so with air filters installed. installing the air filters makes the car run too rich now so im running open intake.

    22. Member OrangeDUB's Avatar
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      01-28-2011 01:17 PM #47
      Quote Originally Posted by yeayeayea View Post
      sure was! however i wish i had gone with a little smaller drill bit and worked my way up. Also I wish I had done so with air filters installed. installing the air filters makes the car run too rich now so im running open intake.
      Talk to Bill @ http://www.bills-b-racing.com/ and tell him I sent you (name is Casey Hoyt). Ask for a duplicate set of my covers, and you can get whatever color you like! They flow freely and filter down to the size of a human hair. Remember mine from the old thread we all had?


    23. Member yeayeayea's Avatar
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      01-29-2011 10:12 AM #48
      Quote Originally Posted by OrangeDUB View Post
      Talk to Bill @ http://www.bills-b-racing.com/ and tell him I sent you (name is Casey Hoyt). Ask for a duplicate set of my covers, and you can get whatever color you like! They flow freely and filter down to the size of a human hair. Remember mine from the old thread we all had?

      are those the stock stacks? if so im ordering a set asap. I remember those but I have another set of filters and they didnt work so i just kinda stopped trying. however these look a lot better than the regular cone filters i have and will clear the hood better too. how much did you pay for them?

    24. Member OrangeDUB's Avatar
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      01-29-2011 11:48 AM #49
      Quote Originally Posted by yeayeayea View Post
      are those the stock stacks? if so im ordering a set asap. I remember those but I have another set of filters and they didnt work so i just kinda stopped trying. however these look a lot better than the regular cone filters i have and will clear the hood better too. how much did you pay for them?
      Yep they are the stock stacks, just polished. I couldn't find filters in the right size anywhere til I found this guy! These were $35/pair + $7 shipping when I bought mine. Not sure if the prices are exactly the same, but I thought for custom sizes that's a steal. Cheaper than pod filters at least!!
      Last edited by OrangeDUB; 01-29-2011 at 12:10 PM.

    25. Member woodrowstar's Avatar
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      01-31-2011 01:14 PM #50
      Ross got some new attitude for ya....still lacking the power to weight ratio, though. lol

      New found info- #1 carb had some "mods" previously done to it, that i never noticed to the other day. Modded the other to match ...whoasssssssssssssssssssssssssssssssss. 4-6k butt dyno reads broader power band. i can lock the rpms at 1800 in forth, stomp the gas and it'll pull like a e55 amg all the way to 6200.
      Last edited by woodrowstar; 01-31-2011 at 01:16 PM.

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