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Engine question

Discussion in 'The Garage' started by MOLON LABE, Jul 15, 2005.

  1. MOLON LABE

    MOLON LABE Registered Member

    Joined:
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    Location:
    Arizona
    I have a 1990 suburban 1500 4x4 which has the 5.7 Lo5 engine.
    Does anyone have specs for this engine ?
    Does it have 4 bolt mains ?
    Is it a good engine to start with or not ? Any problems with it ?
    Thanks
     
  2. Mad-Dog

    Mad-Dog 1/2 ton status

    Joined:
    Mar 20, 2005
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    Location:
    Ocklawaha,Fl
    Ok, it's your basic run of the mill 5.7 litre (350cid) 90 degree V-8 internal combustion engine with throttle-body speed-density fuel-injection and electronic spark control
    4.000" bore
    3.480" stroke
    5.7" rods
    1.64:1 rod ratio
    Cast crank, rods and pistons with press-fit pins
    Wet-sump oiling system
    2-bolt mains....sorry

    ECM schematic......
    http://www.chevythunder.com/1227747_ecm_198892.htm

    Throttle-body injection page......
    http://www.chevythunder.com/gm_throttle_body_injection_pg_1.htm

    What else do you wanna know....?
     
  3. SUBFAN

    SUBFAN 1/2 ton status

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    Location:
    Davenport, Ia
    Good motor but gutless....Mine had 350,000 miles on it before it blew the rear seal and pumped out all the oil, locking it up.

    If it does not have to much internal damage, that motor will be turned into a roller cammed 383 as all the block shifting should be done....
     

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