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B20vtec smoking problem

Discussion in 'HYBRID -> EG-EK / DC' started by raabdunn, Mar 23, 2011.

  1. raabdunn

    raabdunn New Member

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    Hey guys I'm new to this forum and im stoked on talking with fellow honda lovers.

    Anyway, I'm having a problem with my newly built b20vtec. I was running the stock b20b motor for about a year and finally saved up enough scrill to go vtec. Now I bought a b16 head with around 80k on it and ferrea valves. Well me and my buddy (uti grad) swapped the heads, and after fixing timing problems and replacing seals, I'm sick of the motor. What makes it worse is now its smoking like crazy. I thought we hadn't put on the sandwich plate that converts oil to the head correctly, but after taking it in to get it looked at, it's on right. they said the head was sealed correctly as well.

    1. When looking at the car, oil is leaing onto the exhaust underneath the car and causing smoke. The shop said my oil pan gasket needed replacing, but that doesn't really leek onto the exhaust.
    2. When I get on it I look back and there's clouds of smoke coming out, but not out of the exhaust. Then when I sit at a light, theres more smoke coming up.

    I have no idea what it could be. I was told it might be a clogged PCV system, but I'm not sure. Any help would be greatly appreciated. Thanks
     
  2. ls94civic

    ls94civic New Member

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    it could be your valve cover gasket if it was leaking really bad
     
  3. raabdunn

    raabdunn New Member

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    Ok I'll pick one up tomorrow and tell you how it goes. Thanks. Any other suggestions anyone?
     
  4. jbpnoman

    jbpnoman New Member

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    What makes you say the oil pan gasket wouldn't cause a drip onto the exhaust? The only Honda motor I can think of that doesn't have exhaust wrapping around the motor are the Ks.
     
  5. raabdunn

    raabdunn New Member

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    Well I just assumed this because with what I can see when looking under the car the amount of oil leaking from it doesn't account for how Mich smoke is coming out. Also, it seems like oil is coming from the middle of the motor around the oil filter. The oil pan is a little too far from the exhaust for the oil to have direct contact and cause smoke. I may be wrong though?
     
  6. 99sidude

    99sidude Moderator Moderator VIP

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    Did you double up on oil filter gaskets? Sometimes the old filter o-ring gasket will stick to the block. If you don't pull it off before installing the new filter, it will leak. If it leaks from there it WILL go strait onto the exhaust.
     
  7. dc4dude

    dc4dude Member

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    saw that happen to the fng at the shop where i work at.... but when you double gasket, it POURS out!!!!
     
  8. raabdunn

    raabdunn New Member

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    I haven't tried doubling up the gaskets...I didn't even know you can do that. Are talking about the sandwich plate o ring or the oil filter o ring?
     
  9. 99sidude

    99sidude Moderator Moderator VIP

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    I'm talking about the filter O ring. And you do NOT want to double them up. It can happen accidentally.
     
  10. ls94civic

    ls94civic New Member

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    Does it have a oil pressure sender ???? There usually near the oil filter on the f22
     
  11. 98EkSi

    98EkSi New Member

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    I just did my Vtec head swap and now after it sits for a while it smokes for a second on start up. That says to me valve seals but I had them replaced. Weird and annoying to have a a fully rebuilt head and strong block.
     
  12. raabdunn

    raabdunn New Member

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    Yes it does. What are you thinking?
     
  13. Magana559

    Magana559 The Warden

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    thought I posted here

    If your running a PCV valve DONT or run a catch can

    plug the intake mani and just vent the crankcase. I was burning about 1/2 qt of oil a gas tank because of the pcv valve. bypassed it and solved that problem.
     
  14. ls94civic

    ls94civic New Member

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    See ifthe oil pressure sender is leaking oil??? If that's the case it's a cheap fix
     
  15. 98EkSi

    98EkSi New Member

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    Yep. On Ls or B20 Vtec you need to run a crank case vent like and ENDYN one. I made my own and it works great.
     
  16. 90_EF_Hatch

    90_EF_Hatch Señor Member

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    I had the almost EXACT same problem on my ls ...

    Follow your PCV system down to the back of the block about the mid area there is a black bock connected to the block or a hole?

    My car didnt have the black box so it would just leak crazy amounts of oil onto my exhaust and smoke up. I couldnt tell where it came from
     
  17. 90_EF_Hatch

    90_EF_Hatch Señor Member

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    wait so if you dont have the pcv hooked up wont that mess up the motor?
     
  18. Magana559

    Magana559 The Warden

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    You plug the hole were the black box goes and then right above there is a threaded plug. remove that and install a fitting. vent away from exhaust with rubber hose.
    If I had a camera I would show you.
     
  19. Magana559

    Magana559 The Warden

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    no why would it? Your plugging the hole on the intake mani so there is no vacume leak. I dont see how it would mess up the motor.
     
  20. raabdunn

    raabdunn New Member

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    I checked and its not leaking... thanks for the suggestion though.
     
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