Right amount of oil 472 engine
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500, 472, 425, 368 Discussion, Right amount of oil 472 engine in Cadillac Engine Technical Discussion; After redone my -68 472 engine I have a problem. When I fill it up with 5 quarts of oil ...
  1. #1
    Soren is offline Cadillac Owners Member
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    Right amount of oil 472 engine

    After redone my -68 472 engine I have a problem.
    When I fill it up with 5 quarts of oil it does not show on the dip stick.
    Tried about 6 quarts and I get the lover grade on the stick.
    Any ideas about this.
    Should I trust the amount or the oil stick?

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  3. #2
    Submariner409's Avatar
    Submariner409 is offline If it won't run, install a sound system
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    Re: Right amount of oil 472 engine

    Is the dipstick tube completely inserted in the block ??

    How much was the fill, with filter, before the work ?

    Owner's manual ? (Google a download)

  4. #3
    Soren is offline Cadillac Owners Member
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    Re: Right amount of oil 472 engine

    Tube, a new one, completely inserted.
    Don't thought of measure the spoil, it was about 6 month ago when I lifted the engine out.
    OM sais 4,7 liter / 5 quarts with new filter.
    I have now 5,7 liter in the engine.

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    Submariner409's Avatar
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    Re: Right amount of oil 472 engine

    New dipstick tube - aftermarket, chrome dipstick ???

    Whatever - pour in the recommended amount of oil with filter, run the engine to fully warm, shut down for 5 minutes and check level. Use a file to mark the stick.

    I build marine Olds 455s, using different MOROSO pans. The procedure is to pour in the recommended amount minus one quart, run the engine a while, shut down and mark the stick. Now pour in the other quart, run a bit, check and again mark the stick. You now have a custom set of ADD and FULL marks.

    In some engines it doesnt take much overfill to cause oil to hit the crank throws, whipping the oil to foam. I would use the recommended oil fill if you are running a stock oil pan.

    That's a 455 bored to 461 - tricky engine. MOROSO 8 quart pan and a Fram HP-2 one quart filter - 9 quarts total. Notice the hose barb in the pan drain plug - for remote pump and oil change system
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    Soren is offline Cadillac Owners Member
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    Re: Right amount of oil 472 engine

    Aftermarket tube.
    Anyone knows the length from base to top of tube?
    The oil pan does not seem to be nothing else but stock.

  7. #6
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    Re: Right amount of oil 472 engine

    Hmmm.................... If you're careful you can trim the top of the tube to calibrate it. Been there, done that - on the engine in the picture, matter of fact..

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    Soren is offline Cadillac Owners Member
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    Re: Right amount of oil 472 engine

    But is there not anyone with a 472 that could messure the length from base to top of tube?

  9. #8
    deVille33 is offline Cadillac Owners Connoisseur
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    Re: Right amount of oil 472 engine

    Yeah. I answered this question for someone else a while back. Did you use the original pan? The pans for the El Dorados is a 7 qt. pan. The standard 472 is a 5 qt. pan.

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