1. This site uses cookies. By continuing to use this site, you are agreeing to our use of cookies. Learn More.

Compression test

Discussion in 'Engine Building' started by Carnage, Mar 29, 2004.

  1. Carnage

    Carnage Junior Member

    Messages:
    26
    Likes Received:
    0
    Joined:
    Jul 11, 2003
    Just finished checking my compression on my d16z6 in my 90 hb

    1st- 155psi

    2nd-150psi

    3rd-130psi

    4th-145psi

    I did this because i notice is starting to burn some oil.

    its not burning any antifreeze tho

    could this be the botom end or in the head ???
    should i keep driving my car like this ????
     
  2. hybrid4

    hybrid4 Senior Member

    Messages:
    233
    Likes Received:
    0
    Joined:
    Dec 14, 2002
    Location:
    Nashville,TN
    You need to do a leakdown test to see if its rings or valves. ;)
     
  3. phunky.buddha

    phunky.buddha Admin with a big stick Admin VIP

    Messages:
    28,465
    Likes Received:
    228
    Joined:
    Sep 30, 2002
    Location:
    Dallas / Fort Worth, TX
    You're probably losing seal on the rings in your 3rd cylinder... add a few drops of oil through the spark plug hole, then run your compression test again. If #3 comes up in line with the other 3 cylinder, it's probably your rings.

    A leakdown test will definitely tell you more about what's going on, but a standard compression test is always the first step.
     
Verification:
Draft saved Draft deleted

Share This Page