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

    1. Member mudanddust's Avatar
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      02-22-2012 01:27 PM #101
      i am using a mallory fpr and gage that a buddy of mine gave my, havent got the thing running yet so im not sure how its gona work exactly, but i recently got the motor completely done and ready to go into the rabbit. I am not putting the yosh pipe on it fyi, just thought it would be a funny pic

    2. Member yeayeayea's Avatar
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      02-25-2012 09:23 AM #102
      I want that intake manifold!

    3. Member mudanddust's Avatar
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      02-25-2012 10:39 AM #103
      how much u willing to pay for one?

    4. Member yeayeayea's Avatar
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      03-02-2012 10:58 PM #104
      Im not! haha I have everything I would need to make one. My steel one is working fine, yours is just better looking than mine!

    5. Member badazzgti88's Avatar
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      03-09-2012 06:27 AM #105
      When is the last time that car was even started Wes?


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    6. Member yeayeayea's Avatar
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      03-09-2012 08:40 AM #106
      Yesterday. Drove it around the block the day before actually. The white oil pressure sender is leaking oil out the top, a new one should be here today. Other than that, and being low on oil for said reason, it seems to have weathered winter unharmed.

    7. Member yeayeayea's Avatar
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      03-13-2012 10:50 PM #107
      So I pulled the plugs because the car was still misfiring after a couple days of driving it. I found the #4 spark plug had a chunk of the porcelain missing. This was an old plug I threw in there a few months ago after breaking the porcelain on the previous spark plug.

      Two plugs, both with broken porcelain, both #4 cylinder. Any ideas? Im thinking it may be carb related, maybe a lean run situation that is making the plug extra hot, but I am pretty much clueless right now.

    8. Member mudanddust's Avatar
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      03-13-2012 11:20 PM #108
      can you post up good pics of the broken plugs and the plugs from the other three cylinders? also how many miles are on the motor, good and even compression?

    9. Member Jones84's Avatar
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      03-14-2012 02:03 PM #109
      I dont think its a carb thing. I have had the same thing happen in my low comp ABA 16v turbo. It was #4 as well.
      84 Rabbit GTI, 12.1.1 comp 16VT, 15psi 307whp 278wtq Winner 2012 bugRun Pro class
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    10. Member yeayeayea's Avatar
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      03-14-2012 07:41 PM #110
      I can post pics of the broken plugs. I cleaned the other plugs with the wire wheel on my bench grinder so looking at them wont help much. The car ran awesome before the first plug broke, I spent a whole day drag racing at Bug Out (made it to the semi finals, like 8 or 9 passes ) The plug broke that time on the ride home from bug out actually, while on the highway. When I got home, I swapped in an old plug, which has now failed. I posted on NGK's facebook, and they recommended a plug for me, problem is I have not found it locally yet.

    11. Member lilredcabby's Avatar
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      03-23-2012 12:32 AM #111
      hey ma ur inbox is full and wont let me send any messages to you...clear up some space i have another question haha thanks.

    12. Member yeayeayea's Avatar
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      03-23-2012 05:59 AM #112

    13. Member mudanddust's Avatar
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      03-24-2012 09:57 PM #113
      finally got my new motor in the wabbit today, hopefully get it buttoned up and try to fire it tomorrow

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      05-18-2012 10:24 PM #114
      yeayeayea, I read the entire post but i didn't find how big you drilled the main jets for you cbr900 carbs... I read in this same post a drill bit sized at .178 but ... sounds to big to be correct...? Help?

    15. Member yeayeayea's Avatar
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      05-18-2012 10:42 PM #115
      I believe it was 1.73mm, not .173 inches. .173 inches would be much too big.

      At least that is what I wrote in the info for this video back when I was piecing it all together
      Last edited by yeayeayea; 05-18-2012 at 10:44 PM.

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      05-22-2012 12:37 AM #116
      I thought it might have been a bit much at .173, so 1.7... nice, thanks for the info!

    17. Member rysskii3's Avatar
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      05-22-2012 12:42 AM #117
      What is done to the engine to run 173?
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    18. Member yeayeayea's Avatar
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      05-22-2012 07:18 AM #118
      Quote Originally Posted by rysskii3 View Post
      What is done to the engine to run 173?
      1.8 16v, decked head, 3angle valve job, autotech cams, eurosport cat delete header, tt exhaust, no cat.

    19. Member rysskii3's Avatar
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      05-22-2012 10:03 AM #119
      Quote Originally Posted by yeayeayea View Post
      1.8 16v, decked head, 3angle valve job, autotech cams, eurosport cat delete header, tt exhaust, no cat.
      Hmm, I got very similar mods, with a few more little things, but I'm on 91 octane. I don't know of I should install the 170 or 175. And I got 2l
      OIF 06-07: Hospital Corpsman FMF. Al Habbaniyah, Al-Anbar Province, Iraq.
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    20. Member yeayeayea's Avatar
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      05-22-2012 04:38 PM #120
      I run 93 octane in mine. You also have R1 carbs where I have cbr900 carbs. I think yours are 40mm versus mine being 38mm. That said I would shoot for the 175's.

      The mains were the only thing I changed on my carbs, I left all the other jets alone. I did play with needle heights to dial it in some.

    21. Member rysskii3's Avatar
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      05-22-2012 04:42 PM #121
      Quote Originally Posted by yeayeayea View Post
      I run 93 octane in mine. You also have R1 carbs where I have cbr900 carbs. I think yours are 40mm versus mine being 38mm. That said I would shoot for the 175's.

      The mains were the only thing I changed on my carbs, I left all the other jets alone. I did play with needle heights to dial it in some.
      hmm, maybe i should get some 180 and 185. i do have mild p&p and TT 4 to 1 catless header.
      OIF 06-07: Hospital Corpsman FMF. Al Habbaniyah, Al-Anbar Province, Iraq.
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      06-10-2012 11:07 PM #122
      So how is it daily driving this?? Your dyno showed your HP and torq were slightly under stock until 5k rpm. I'm putting together an R1 carb setup but I'm afraid intown driving will suck, right?

      I have a 9a with ported head and an exhaust. I'd like to see if I can hit vr6 150 whp with some cams and maybe a header. Shouldn't be impossible.
      Need a 16V manifold flange to build your custom carb intake mani!?! I can get you one laser-cut for $85 shipped!!! PM me!

    23. Member yeayeayea's Avatar
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      06-10-2012 11:19 PM #123
      Well I broke my ankle back on may 6th, so the car hasn't moved since. But I daily drove it for a couple years. No problems, no air filters, all year round.

    24. Geriatric Member steveo27's Avatar
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      06-10-2012 11:29 PM #124


      Hope ya feel better chief. And hope to see ya around
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      06-10-2012 11:33 PM #125
      Quote Originally Posted by yeayeayea View Post
      Well I broke my ankle back on may 6th, so the car hasn't moved since. But I daily drove it for a couple years. No problems, no air filters, all year round.
      Sounds reliable. Ever left you stranded? I'd like to DD mine to work/school when I finish it.
      Need a 16V manifold flange to build your custom carb intake mani!?! I can get you one laser-cut for $85 shipped!!! PM me!

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