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Thread: Eagle crank video

  1. #1
    Senior Member EXPERT BUILDER
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    Eagle crank video

    We balance for a lot of other shops in the area and from time to time we do put a mic on the jounals and we find that the journals are not very flat.

    This is good info

    http://www.youtube.com/user/cpmotors#p/u/3/mPwCsPik7KU
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  2. #2
    Senior Member EXPERT BUILDER
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    More info
    Here is a pic of bearings run with an Ohio taper crank shaft journals



    Here is the link to look over and this pic is from page 5
    http://www.camaros.net/forums/showth...hio+crankshaft[/quote]
    WWW.CNCBLOCKSNE.COM
    IS A DIVISION OF
    HINKSON AUTOMOTIVE
    RESEARCH & DEVELOPMENT

    CARL HINKSON 207-892-7215
    EMAIL [email protected]

  3. #3
    Senior Member RACING JUNKIE
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    Its ashamed the quality of parts that are sold. Great post.

  4. #4
    Senior Member RACING JUNKIE
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    my ohio crank wasn't tapered.

  5. #5
    Senior Member RACING JUNKIE TheRabbit's Avatar
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    Quote Originally Posted by Tod74
    my ohio crank wasn't tapered.
    I spin the snafu out of mine all the time. Of course it was checked before installing it. (and it was true. )

  6. #6
    Senior Member RACING JUNKIE
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    Quote Originally Posted by TheRabbit
    Quote Originally Posted by Tod74
    my ohio crank wasn't tapered.
    I spin the snafu out of mine all the time. Of course it was checked before installing it. (and it was true. )
    I had mine checked also. It wasn't tapered or balanced properly

  7. #7
    Senior Member RACING JUNKIE
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    Most guys would measure that tapered crank and say it was fine, its hard to measure with a micrometer and really see the diference close the the radius of the journal. This video really should show you how .001 can be not flat.

  8. #8
    Senior Member RACING JUNKIE
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    Quote Originally Posted by kwkracing
    Most guys would measure that tapered crank and say it was fine, its hard to measure with a micrometer and really see the diference close the the radius of the journal. This video really should show you how .001 can be not flat.
    It is my understanding that the reason for the taper on some cheaper cranks is that they polish the journals to size...I may be wrong on that but I think I have read that on SPEEDTALK.

    Mine measured within a tenth or two anywhere on the journal. I Checked it in three places on all the journals. I have all the measurements written down in a notebook somewhere. I did have bearing issues on number 2 and 4 mains. I asked the guy at Steve Schmidt to double check the crank for taper because of things I've read online and I didn't know how much was acceptable. he said it was fine. The bearing trouble was found to be caused by the rotating assembly being out od balance and the main bores in the block were too tight. It is a Merlin Block and had not been align honed when new.

  9. #9
    Senior Member RACING JUNKIE TheRabbit's Avatar
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    Quote Originally Posted by TheRabbit
    Quote Originally Posted by Tod74
    my ohio crank wasn't tapered.
    I spin the snafu out of mine all the time. Of course it was checked before installing it. (and it was true. )
    First time I ever quoted myself, but anyway, mine may have had some final work done, but I don't remember SVRE saying anything about it.
    Either way, if it wasn't off I'm sure it will be by the time I finish with it! :shock:

  10. #10
    Senior Member RACING JUNKIE BEAST477's Avatar
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    When building my 540 tried Eagle for the crank. The first one needed to be turned .010-.010 right out of the box :shock: . The second one the stroke was off by .010 :roll: . Bought a Callies.
    BEAST477






    Only a rich man can afford to use cheap parts.

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