comp cams?????
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comp cams?????

  1. #1
    Senior Member CHEVY JET's Avatar
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    Default comp cams?????

    I got ahold of comp cams and asked them what cam they recamend for my jet boat. I am looking for a hydrolic roller. The one that they told me to use is #CL456-8, or grind #XM296HR. I am just wondering if any of you have used this cam, and know if it is a good one. (FYI. It is going in to a .030 over 454 with ovalport heads, cast crank, stock rods, and hat .250 domed srp pistions, and a 850 holly carb. The pump is race ready with a ss a/b impeller, dps inducer, loader, and stuffer. The pump has just been gone through and is fresh.) Any and all coments are apreciated.

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    U might get ahold of cstraub here on the boards...he grinds cams & has done so for quite a few peeps...he might have a better cam & perhaps cheaper also ...just my .02 cents

    FastRat

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    Living in a cage of fear thatguy's Avatar
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    If it is this one:
    http://www.summitracing.com/parts/CCA-11-456-8/

    That is the exact Cam I have in my Miller 454.
    I like it, I think you may have slightly more compression than me, My ratio is 9.4:1

    I have Brodix 280cc Rect. port, with a TR and 2 660's.

    My pump was having issues, so I can't tell you how exactly how it ran very long over 5K, but it showed signs of being able to pull hard well past that with a stainless A impeller.

    Idles crisp at 1100 RPM, I had 36* total advance, w/ around 20* initial.

    I am no racer, or Dyno expert, but I like how it runs.

    You will need much shorter push rods, so don't order any until you have EVERYTHING else mocked up!!
    Tommy
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    Senior Member hotbo's Avatar
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    i have put that cam in 496 build and it works really well.it also was in a 468 mild build and worked great also.best of luck.

  7. #5
    Senior Member CHEVY JET's Avatar
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    Thanks guys, I wanted to get an opinion from someone who used it befor I spent the money. As always, this site Rocks!!!

  8. #6
    mo balls than $cents$ IMPATIENT 1's Avatar
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    Quote Originally Posted by CHEVY JET View Post
    I got ahold of comp cams and asked them what cam they recamend for my jet boat. I am looking for a hydrolic roller. The one that they told me to use is #CL456-8, or grind #XM296HR. I am just wondering if any of you have used this cam, and know if it is a good one. (FYI. It is going in to a .030 over 454 with ovalport heads, cast crank, stock rods, and hat .250 domed srp pistions, and a 850 holly carb. The pump is race ready with a ss a/b impeller, dps inducer, loader, and stuffer. The pump has just been gone through and is fresh.) Any and all coments are apreciated.
    here's, use this:

    http://www.compcams.com/Camquest/

    takes the guess work outta it when buyin a comp cam

    Dare to be different, if it turns out great you can claim you planned it that way.

    Jetboatperformance.com

  9. #7
    Member lethal injection's Avatar
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    Default water reversion??

    Quote Originally Posted by IMPATIENT 1 View Post
    here's, use this:

    CamQuest ? Select The Perfect Camshaft & Valve Train Components

    takes the guess work outta it when buyin a comp cam
    im wanting to run the same cam with thru hull Rewarder headers... how does this work with water reversion? also. with the thru hull headers will it burn through the rubber ex hoses with a t valve installed?
    Last edited by lethal injection; 07-18-2012 at 05:01 PM.

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    this is great example. One engine is a .030 454 and the other is a stroker 496CID but they both get the same Comp camshaft recomendation.
    Chris Straub
    Straub Technologies

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

  11. #9
    LP-25.com Infomaniac's Avatar
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    You mean you haven't been using camquest Chris?
    If For Some Reason I Do Something Worthy Of Recognition. God Provided The Ability And Deserves The Credit.


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    Ron,
    I guess I am going to have too. Hell if 1 cam fits all it will make my life easier and I can replace this dart board!!!
    Chris Straub
    Straub Technologies

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

  13. #11
    Senior Member orange bahner's Avatar
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    Here is my build with that cam. I am very happy with it.

    454 4 bolt Hi Perf block bored .060 over (4.31)
    Hi Perf 990 rectangular port heads pocket ported and polished chambers 118 volume
    stock rods and crank with ARP bolts (balanced and blue printed)
    Keith Black Hyper pistons part#257 25.5cc domes (10.5 cr)
    Comp Cams Xtreme Marine xm296hr grind hydraulic roller cam (566 lift 296/302 duration) 112 lobe seperation
    Comp Cam roller lifters
    Comp Cam one piece push rods
    Comp Cams Ultra Pro roller rockers
    Comp Cams Springs and retainers
    Cloyes Double roller timing chain
    Cloyes Timing cover with cam button
    Melling high volume high pressure oil pump
    14 quart Dooley oil pan
    Edelbrock Victor jr 454r manifold
    850 Double pumper holley
    Break Out AnotherThousand


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  14. #12
    Member lethal injection's Avatar
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    Quote Originally Posted by orange bahner View Post
    Here is my build with that cam. I am very happy with it.

    454 4 bolt Hi Perf block bored .060 over (4.31)
    Hi Perf 990 rectangular port heads pocket ported and polished chambers 118 volume
    stock rods and crank with ARP bolts (balanced and blue printed)
    Keith Black Hyper pistons part#257 25.5cc domes (10.5 cr)
    Comp Cams Xtreme Marine xm296hr grind hydraulic roller cam (566 lift 296/302 duration) 112 lobe seperation
    Comp Cam roller lifters
    Comp Cam one piece push rods
    Comp Cams Ultra Pro roller rockers
    Comp Cams Springs and retainers
    Cloyes Double roller timing chain
    Cloyes Timing cover with cam button
    Melling high volume high pressure oil pump
    14 quart Dooley oil pan
    Edelbrock Victor jr 454r manifold
    850 Double pumper holley
    What kind of headers are you running? have any videos so i can hear the cam? that would be great! thanks!

  15. #13
    Senior Member orange bahner's Avatar
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    Quote Originally Posted by lethal injection View Post
    What kind of headers are you running? have any videos so i can hear the cam? that would be great! thanks!
    I don't know how to upload a video

    HERE YA GO try this Short video but you can hear it idle a little

    Last edited by orange bahner; 07-19-2012 at 09:17 PM.
    Break Out AnotherThousand


    A good friend will comes bail you out of jail, BUT a True friend will be sitting next to you saying "Damn we f#*ked up"

  16. #14
    Member lethal injection's Avatar
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    Quote Originally Posted by orange bahner View Post
    I don't know how to upload a video

    HERE YA GO try this Short video but you can hear it idle a little


    Sounds amazing! Thats exactly what I needed to hear. Cant find anyone running that cam!
    hows the water reversion factor? typical wet injected headers with a t valve ok? Bad ass boat btw!

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