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Low compression/gas in oil

Discussion in '1st Gen. Tacomas (1995-2004)' started by jonathan2986, May 7, 2017.

  1. May 7, 2017 at 10:08 AM
    #1
    jonathan2986

    #1
    jonathan2986 [OP] Active Member

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    hello,
    I blew my engine ( 1998 3rz) and had to buy one from the junkyard, i changed the headgasket and cleaned it up. I put it back in and it wouldn't start, did a compression test and got
    cylinder 1 90psi
    cylinder 2 80psi
    cylinder 3 90psi
    cylinder 4 110
    and it smell like gaz is in the oil.
    is it my rings? or my HG ?
     
    jonathan2986, May 7, 2017
    #1
  2. May 7, 2017 at 10:30 AM
    #2
    Xjman1

    #2
    Xjman1 Well-Known Member

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    King coil overs, Rear shackle lift
    Gas in oil and low compression has me thinking rings
     
    Xjman1, May 7, 2017
    #2
  3. May 7, 2017 at 10:35 AM
    #3
    Skrain

    #3
    Skrain Time is an illusion. Lunchtime doubly so.

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    Time for a full rebuild...
     
    Skrain, May 7, 2017
    #3
  4. May 7, 2017 at 10:51 AM
    #4
    Clearwater Bill

    #4
    Clearwater Bill Never answer an anonymous letter

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    A few OE parts from fancy trucks
    Rings.

    You got a junkyard junker. Hopefully they gave you a warranty!

    Next time do the compression testing before installing the motor and save some headaches.
     
    Clearwater Bill, May 7, 2017
    #4
    Wulf likes this.
  5. May 7, 2017 at 11:12 AM
    #5
    mechanicjon

    #5
    mechanicjon They call me "Jonny Stubs"

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    Scottsdale Arizona
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    04 Taco SC 4dr SR5 TRD Prerunner
    Supercharged, AEM FIC/6, Meth Inj, ION Alloy's, Radio & Phone steering Wheel controls,Fabtech AAL, Billie's wrapped with 880's , Tundra big brake conversion, bully bars and Pioneer DDin Stereo/dvd with exterrnal usb ports. 290K and going strong.
    Do a wet compression test. Sounds like rings though.
     
    mechanicjon, May 7, 2017
    #5
  6. May 7, 2017 at 11:22 AM
    #6
    jonathan2986

    #6
    jonathan2986 [OP] Active Member

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    thanks for the answers, i'll check my options...
     
    jonathan2986, May 7, 2017
    #6
  7. May 7, 2017 at 11:26 AM
    #7
    jonathan2986

    #7
    jonathan2986 [OP] Active Member

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    do i have to resurface the cylinder walls when changing my rings?
     
    jonathan2986, May 7, 2017
    #7
  8. May 7, 2017 at 11:41 AM
    #8
    mechanicjon

    #8
    mechanicjon They call me "Jonny Stubs"

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    Supercharged, AEM FIC/6, Meth Inj, ION Alloy's, Radio & Phone steering Wheel controls,Fabtech AAL, Billie's wrapped with 880's , Tundra big brake conversion, bully bars and Pioneer DDin Stereo/dvd with exterrnal usb ports. 290K and going strong.
    Thats the right way to do it.
     
    mechanicjon, May 7, 2017
    #8
    wilcam47 likes this.
  9. May 8, 2017 at 3:14 PM
    #9
    jonathan2986

    #9
    jonathan2986 [OP] Active Member

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    What if my engine didn't start ? it should start even though it has low compression, could it be my valve adjustments? The head has been moved around.
     
    jonathan2986, May 8, 2017
    #9

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