You tell me what you think about this camshaft....
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You tell me what you think about this camshaft....

  1. #1
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    Default You tell me what you think about this camshaft....

    741/.715 lift with 1.7 ratio
    299/314 Adv.
    268/278 .050"
    115/115 Centers
    115 Lobe sep

    4.530' bore x 4.750" stroke
    355 Dart Pro 1's Out of the box
    12.5 to 1
    Dart Tunnel with 2 x 750's

    How much rpm do you think this cam will get out of this 604CID engine? Customer was told this is THE 600CID JET Boat cam to use.
    Chris Straub
    Straub Technologies

    3HP is an A$$ Whooping!!! JW

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  3. #2
    Senior Member EVILFORCE's Avatar
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    depends on impeller if it is a jet. suspect 6500 maybe a bit less with a A impeller. max hp would be higher then that. does not sound like a good combo but that is your speciality. what are you thinking?
    No Fool Like A Old Fool is there?

  4. #3
    gn7
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    I am guessing 950HP between 6300 and maybe 6500 on a good day. Might hit 7000 when you mash the button. Depending on the impellor of course. Guessing it is a NOS cam as it does have a 115 LSA on a reasonable .050 number that wouldn't require it other wise and can think of no other reason for it to be a 115 cam. You know the thing is under valved, why the hell would you widen the LSA on a cam with those .050 numbers. The thing can't breath on top with those heads and valves as it is. Its a NOS cam!
    2 750s on a Dart T ram? Really? Didn't know you could bolt carbs that small to a Dart Guess you do that when you plan on living with the button pushed any time your WOT. and your cam looks like that.

    All in all, it may half ass pass as a NOS cam a for that engine, but it sure as hell suffers big time when off the spray.

    EDIT: Where do I pickup my prize. Did you say a custom solid roller complete with Morel lifters?



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    Last edited by gn7; 08-22-2011 at 02:07 PM.

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    New here Beer:30's Avatar
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    Whew! That's a BUNCH of stroke to be swinging around at 7000!
    Quote Originally Posted by gn7 View Post
    EFI is the wave of the future. There can be no denying it. Electronics have been on the leading edge of our entire lives. Not only os the magneto dead, but the standard issue CDI is wavering. Its all about total fuel, air AND spark control. Anybody that thinks its not has their head up their ass.


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    gn7
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    Quote Originally Posted by Beer:30 View Post
    Whew! That's a BUNCH of stroke to be swinging around at 7000!
    Piece of cake in this day and age Beer! 5.5 stroke if I am not mistaken, and a peak HP around 8000. But you are correct, the wrong FORGED crank, and too fond of the button can and will spell disaster.
    LINK 1000+cid =2000+HP



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    Last edited by gn7; 08-22-2011 at 01:30 PM.

  8. #6
    Senior Member motormonkey's Avatar
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    I dont think it will get to much RPM form that cam with that cubic inch, compression and duration. Seems real small, maybe a good cruising cam?
    Im taking a WAG at 5800.
    Last edited by motormonkey; 08-22-2011 at 01:55 PM.

  9. #7
    Senior Member hotbo's Avatar
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    i think the SOB sucks,but Ive also been accused of Focking sheep's as of lately
    WFLC


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  10. #8
    AKA Blownjet 468 Blowncat 509's Avatar
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    same duration @ 050 on a 112 * lsa WITH a blower on a little 468 would turn 6400rpm with a AA imp


    Out With The Old, In With The New.......Goodbye Blinding Acceleration, Hello Sustained High Speed (in comfort)

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    Quote Originally Posted by hotbo View Post
    i think the SOB sucks,but Ive also been accused of Focking sheep's as of lately
    Yeah well I would have said "DEER" but as you already found out, There @ssholes are to high for ya, and they run way too fast!

  12. #10
    Senior Member hotbo's Avatar
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    Quote Originally Posted by PS&B1 View Post
    Yeah well I would have said "DEER" but as you already found out, There @ssholes are to high for ya, and they run way too fast!

    you are correct!,ill refrain from De-railing the OP question anymore
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  13. #11
    Platinum Member BigSteve's Avatar
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    Quote Originally Posted by cstraub View Post
    741/.715 lift with 1.7 ratio
    299/314 Adv.
    268/278 .050"
    115/115 Centers
    115 Lobe sep

    4.530' bore x 4.750" stroke
    355 Dart Pro 1's Out of the box
    12.5 to 1
    Dart Tunnel with 2 x 750's

    How much rpm do you think this cam will get out of this 604CID engine? Customer was told this is THE 600CID JET Boat cam to use.
    Must be a Obama motor

    Nothing will work like it should
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  14. #12
    Head Janitor FormulaZR's Avatar
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    Why that LSA?


    "No, my boat doesn't need any more power" - No one ever

  15. #13
    New here Beer:30's Avatar
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    Quote Originally Posted by FormulaZR View Post
    Why that LSA?
    I was wondering that myself. Higher cylinder pressures? Were they thinking of turbo'ing it? At 12.5:1, I would hope/think not.
    Quote Originally Posted by gn7 View Post
    EFI is the wave of the future. There can be no denying it. Electronics have been on the leading edge of our entire lives. Not only os the magneto dead, but the standard issue CDI is wavering. Its all about total fuel, air AND spark control. Anybody that thinks its not has their head up their ass.


    2001 SleekCraft 30' Heritage SSB, open-bow mid-cuddy. 496HO / Bravo-I.

  16. #14
    gn7
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    Quote Originally Posted by FormulaZR View Post
    Why that LSA?
    Quote Originally Posted by Beer:30 View Post
    I was wondering that myself. Higher cylinder pressures? Were they thinking of turbo'ing it? At 12.5:1, I would hope/think not.
    I told you why in my first post! Its why its 15* longer on the exhaust as well.


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    Last edited by gn7; 08-22-2011 at 06:56 PM.

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