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Compersion Test/White smoke

Discussion in 'Forced Induction' started by calvin, Apr 3, 2004.

  1. calvin

    calvin Senior Member

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    I boosted yesterday 7-8psi on a b16a2(second gen)

    Suddenly 3 cylinders. Towed my car home.
    This moring compersion test.
    Cyl 2&3 200 psi. Cyl 1 10 psi Cyl 4 50psi.
    White smoke out of the valve breather. White/blake smoke out of the exhaust.

    Is this the symtons of the blow head gasket or pistons with a crack.

    calvin thanks
     
  2. civic15.8

    civic15.8 Senior Member

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    just another thought it could also be the piston rings are fried, in cylinders 1 and 4.
     
  3. phunky.buddha

    phunky.buddha Admin with a big stick Admin VIP

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    Crack it open and take a look... you'll have to open up the engine anyway.
     
  4. pissedoffsol

    pissedoffsol RETIRED

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    white smoke is usually a headgasket. black smoke is bad.
    tear the head off dude. something is broken :(
     
  5. phunky.buddha

    phunky.buddha Admin with a big stick Admin VIP

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    :werd:

    Black and white smoke together while burning antifreeze and oil in mass quantity is even worse. I don't know anything about that though... well, my CRX does.

    :lmao:
     
  6. calvin

    calvin Senior Member

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    I will do that this week.
    I think the black is for unburned gasoline.

    I have to look. I hope the best but so what if it's bad?

    Rebuild with sleeves/piston/rods.

    Calvin
     
  7. pissedoffsol

    pissedoffsol RETIRED

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  8. calvin

    calvin Senior Member

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    have to look if i have money
     
  9. t3t4si

    t3t4si Member

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    same thing happened to me, but my rings where fine cylinders 1 and 2 had 25-30 compression :( we got the pistons out and the ring lands where cracked...white smoke came out the crank breather and everything
     
  10. phunky.buddha

    phunky.buddha Admin with a big stick Admin VIP

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    Black is usually unburned gas, or just too much gas. ;)

    You could always do what the Houston guys do- just swap in another B16 and get another to use as a standby. Boost like hell, tune like hell, then swap in the spare when your new B16 blows up yet again. Cheap cheap cheap!

    :lmao:
     
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