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d15b vtec smoking at high rpms

Discussion in 'General Tech and Maintenance' started by SpoonMotorSports, Apr 12, 2012.

  1. SpoonMotorSports

    SpoonMotorSports New Member

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    hey all one of my frnds has a d15b 92ferio that just started smoking suddenly
    the car was smoke free from idle to revlimit and suddenly the previous day it started
    the car smokes like hell when the distributor is advanced and when its retarded its smokes a little
    the oil is 2/4 and has turned black could that be the problem?
    and its smoking on like after 5.5krpm and missing too
    the valve cover is leaky all over from the vtec solenoid to the valve cover bolts!
    i know blue smoke means bad rings - but suddenly? are there any other possibilities?
    what oil should i use? 10w20?
    compression test? what should be the best value(in psi) for a healthy d15b thankhs
     
  2. SpoonMotorSports

    SpoonMotorSports New Member

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    :-| care to help anyone? i got 20w50 is it fine?
     
  3. josh_crewdson@y

    josh_crewdson@y New Member

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    Should be around 160-180 PSI I'd think.
    As long as the cylinder pressures are within 10-15 PSI of each other you should be OK.
     
  4. josh_crewdson@y

    josh_crewdson@y New Member

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  5. SpoonMotorSports

    SpoonMotorSports New Member

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    isnt 5w30 synthetic? and too thin? mind you summers are coming!
     
  6. SpoonMotorSports

    SpoonMotorSports New Member

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    the car feels sluggish aswell dont know what happend sudenly
     
  7. HeavyC619

    HeavyC619 was like u, but i evolved

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    Wish i could help you here man. i would have to hear what your car sounds like to tell you what could be a problem. take a video...
     
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