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knock knock knock said the little engine...

Discussion in 'The Garage' started by Blazer-Boy, Jun 30, 2003.

  1. Blazer-Boy

    Blazer-Boy Registered Member

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    Forgive me father for i have sinned. I ran my '72 350 completely out of oil /forums/images/graemlins/eek.gif...I guess thats what I get for being a lazyass and putting off fixing the leak. It didnt sieze up, but after adding more oil it started knocking. Is my engine totally screwed? /forums/images/graemlins/frown.gif
     
  2. Robert79K5

    Robert79K5 1/2 ton status

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  3. MousePowrd

    MousePowrd 1/2 ton status

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    How long did it run?

    Its probably not "totally screwed", but you must have at least spun a bearing.
    Pull the caps and have a look
     
  4. HarryH3

    HarryH3 1 ton status Author

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    Internal knocks are never a good thing. /forums/images/graemlins/frown.gif If you're lucky, you can slap in some new bearings and drive it for a while longer. If not, the crank will be damaged, which require more work to fix. /forums/images/graemlins/eek.gif
     
  5. BEHJR

    BEHJR 1/2 ton status

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    Sounds like the definition of borrowed time.

    /forums/images/graemlins/deal.gif Yo Harry, did ya get the $$ yet ??????

    BH.
     
  6. Blazer-Boy

    Blazer-Boy Registered Member

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    Hey Mouse...what do you mean "how long did it run"?
    Where might a guy find step by step instructions on replacing the bearings?
     
  7. mudhog

    mudhog THEGAME Staff Member Super Moderator

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    he means how long did it run without oil? 1min 5min 10min?
     
  8. Blazer-Boy

    Blazer-Boy Registered Member

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    Ooooooh I see...Well, thats a good question actually. I was driving about 45mph down the street and I noticed it was a little sluggish. I slowed down to make a turn and all the sudden my truck shut off. I popped the hood and smoke was coming out of my oil fill cap. After I quit hyperventilating and using numerous 4-letter words I called my pops so he could come check it out. I pulled the dipstick and sure enough, bone dry...So we filled her up with oil and thankfully she started. Then came the knocking. I drove it home and havent driven it since... /forums/images/graemlins/frown.gif
     
  9. BEHJR

    BEHJR 1/2 ton status

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    The question is - how long did the engine run after it started knocking. How long did it take you to get home after you restarted it with the knock ?????

    BH.
     
  10. Blazer-Boy

    Blazer-Boy Registered Member

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    5-10 minutes max...I drove under 25mph the whole time also...
     
  11. mofugly13

    mofugly13 1 ton bucket of rust Premium Member

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    [ QUOTE ]
    Where might a guy find step by step instructions on replacing the bearings?

    [/ QUOTE ]

    I just did my rods and mains. The instructios were in my chiltons manual. It's pretty easy. Do the bearings one at a time and make sure the caps go back on in the same orientation as they were when they came off. I can elaborate later, but right now I'm trying to figure out what is up with the knock in MY engine. Here's my problem.
    Replacig bearigs is easy with a manual. Make sure you read and understand the entire proceedure before you start working on it. Also pay attention to setting the thrust main bearing cap. You might also wanna replace the rear main oil seal too. Also easy.
     
  12. blasterD

    blasterD 1/2 ton status

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    How many quarts did you have to put in? It might not have been completely empty. But, if it was your engine is probably toast.
     

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