cyl head help
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cyl head help

  1. #1
    Senior Member ohflat's Avatar
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    Default cyl head help

    bbc mark4 12.5to 1 4.350 bore stroke4.000 660 int 640 ex 990 heads was on it need h elp to match up 7500 rpm 110 fuel just a good lake boat motor doom pistons alum or cast iron heads

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  3. #2
    Senior Member VAMI's Avatar
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    Shedding weight is always good.Whats the rest of the cam specs?

  4. #3
    Senior Member ohflat's Avatar
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    lobe lift .390int .375 ex duration at .20 296 int 306ex gross lift .663int .630ex degree int lobe 106

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  6. #4
    Or Seth, either one Budweiser's Avatar
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    Quote Originally Posted by ohflat View Post
    bbc mark4 12.5to 1 4.350 bore stroke4.000 660 int 640 ex 990 heads was on it need h elp to match up 7500 rpm 110 fuel just a good lake boat motor doom pistons alum or cast iron heads
    Aluminum.
    Last edited by Budweiser; 07-15-2013 at 08:33 AM.

  7. #5
    280 Profile Cat W/575sci JRider's Avatar
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    My thoughts exactly...tough read

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    280 Profile Cat W/575sci JRider's Avatar
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    I think that the OP was on a phone typing that with his thumbs...I initially didnt understand the question.

  9. #7
    steelcomp was here
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    Quote Originally Posted by JRider View Post
    I think that the OP was on a phone typing that with his thumbs...I initially didnt understand the question.
    Initially...but if you actually took a second to read it through, you could understand, right?
    If God is your co-pilot, change seats!
    Acts 2:38, the perfect answer to the perfect question.

  10. #8
    280 Profile Cat W/575sci JRider's Avatar
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    Quote Originally Posted by steelcomp View Post
    Initially...but if you actually took a second to read it through, you could understand, right?
    I did take take (more than a second) wasting my time reading the unintelligible broken statement, which I mentally formed into a question.

    If people want good answers, they should take the time and ask good questions...instead of wasting other peoples time deciphering.

    Garbage in Garbage out. Rant over.

    To the OP...I recently went with aluminum AFRs on my motor. I am sure they have a head to fill the bill. How much do you want to spend? That is what it boils down too. If you boat in salt water iron may be a better choice.
    Last edited by JRider; 07-15-2013 at 09:50 AM.

  11. #9
    steelcomp was here
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    Quote Originally Posted by JRider View Post
    I did take take (more than a second) wasting my time reading the unintelligible broken statement, which I mentally formed into a question.

    If people want good answers, they should take the time and ask good questions...instead of wasting other peoples time deciphering.

    Garbage in Garbage out. Rant over.

    To the OP...I recently went with aluminum AFRs on my motor. I am sure they have a head to fill the bill. How much do you want to spend? That is what it boils down too. If you boat in salt water iron may be a better choice.
    If this is such a waste of your precious time, then don't bother. Good God, some of you really think you're something.

    Rant over.
    If God is your co-pilot, change seats!
    Acts 2:38, the perfect answer to the perfect question.

  12. #10
    280 Profile Cat W/575sci JRider's Avatar
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    Quote Originally Posted by steelcomp View Post
    If this is such a waste of your precious time, then don't bother. Good God, some of you really think you're something.

    Rant over.
    How would you derive that? Because I use punctuation?

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