The Stupid Engine Questions Thread

Discussion in 'Engine Performance + Maintenance' started by Mike, Dec 3, 2009.

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  1. Mike

    Mike Administrator Deluxe

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    Post here if you have a simple question. This will help keep track of common info and reduce clutter.
     
  2. 99z28monster

    99z28monster I'm Awesome

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    Why wont my damn truck idle under 1500 rpm? I am thinking a leak in the throttle body gasket am I on the right track? From what my buddy told me the truck doesn't really have any balls either. " I am in Iraq so I don't know" it is a 5.7 in a 94 silverado 4x4 with a 14 bolt rear. other than that everything else is stock mechanically.
     
  3. pavementpounder

    pavementpounder Newbie

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    My truck is a 1993 1/2 ton 4x4 with a 4.3 v6 it has developed a random knock its quiet at start up it mainly does it under light acceleration but its alot louder than a spark knock I have narrowed it down to the area of the flywheel inspection cover or the oil pan with a mechanics stethoscope.

    Now I have heard these engines had a problem with the flywheel or flywheel bolt that give off a rod knock type sound does anybody here have any other ideas or have heard of this type issue with the flywheel?
     
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  4. 1996*GMC*SHORTBED

    1996*GMC*SHORTBED I'm Awesome

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    Never heard of that.
     
  5. noremac

    noremac OHHH SNNNAAAPPP

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    then dont answer... simple as that.. sounds to me like you have a main bearing going..
     
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  6. pavementpounder

    pavementpounder Newbie

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    I replaced the engine this weekend I ran across a really good deal on a low mileage 4.3 instead of throwing money at a probable lost cause.
     
  7. 71 cuda man

    71 cuda man OBS Enthusiast

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    Chevy flywheel-troque converter bolts are known for backing out make sure to use lock tight & a torque wrench
     
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  8. bluchevy

    bluchevy Newbie

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    wheres the ecm b fuse located in a tbi engine or is it the fuse that says ecm/ign on it?
     
  9. FasterTheBetter

    FasterTheBetter Newbie

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  10. low4x4

    low4x4 backyard mechanic

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    what makes an engine a 12 oclock timing or a 2oclock timing...please don't say the timing mark and damper because i have a 2oclock timing mark and damper but the lite flashes at the 12 oclock position...please explain
     

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