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Thread: Counter Rotation Vortec cam question (boat)
          
   
   

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  1. 09-27-2010 05:22 PM #1
    pat mccarthy's Avatar
    pat mccarthy
    pat mccarthy is offline CHR Member/Contributor
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    nope i think comp is a player but not the best price . speed pro had some marine cams in flat lifter . can not forget Howards Cams . i been buying 3 cams roller cams a week my best deal is erson cams . comp is more and i a dealer for . all i listed but isky
    Irish Diplomacy ..the ability to tell someone to go to Hell ,,So that they will look forward to to the trip
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  2. 10-01-2010 08:24 AM #2
    Whitfield
    Whitfield is offline CHR Member
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    Car Year, Make, Model: 1984 Inboard Ski boat
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    Thanks guys,
    I want to stay 5.7L Vortec roller but cam availability and cost are swaying me to look at other options. This boat engine will be used like a industrial hydraulic pump ~ needing good strong linear grunt.



    Howards has nothing for 5.7L Vortec RR roller and recomended Erson

    Called Erson 2x and left voice mail...

    Comp has nothing for 5.7L Vortec RR roller and recomended Web.

    Searchign for Web Cams suxxxxx ~ (Computer cameras) Webb Cams hit the mark...
    Web opens at 8am Pacific but at 8:05am Pacific still get after hrs voice mail.
    8:23 Web answers phone ~ Lady on the line doesn not know what a chevrolet 5.7L Vortec engine is, but she offers to sell me a 16v cam for a Chevrolet Colorado. Other girl in back ground talking LOUDLy about getting make up issues resolved. I feel sorry for the owner as I'm sure he was strong armed into supporting these less then knowledgable folks.

    Speed Pro required me to fill out a laundry list of info for an on-line information request thru Federal-Mogul corperate computer system.

    Isky still not answering the phone ...
    8:30am Pacific Isky answers but their marine folks are not in until after 10:30...

    Flordia Inboards has the PCM RA050022 RH marine vortec roller camshaft for $476 + shipping.




    Any other suggestions???

    At $500 for a cam the Vortec is $1k premium (with other necessary marine pieces) over a standard 350. I might have to look at building my 89 350 with Vortec heads / intake / and a flat tappet RR cam.
    Last edited by Whitfield; 10-01-2010 at 12:18 PM.
    UNDERSTEER is when you hit the wall with the front of the car. OVERSTEER is when you hit the wall with the rear. HORSEPOWER is how fast you hit the wall. TORQUE is how far you take the wall with you.
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  3. 10-01-2010 08:44 AM #3
    Itoldyouso's Avatar
    Itoldyouso
    Itoldyouso is offline CHR Member
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    One thing I have to ask. Is this a single engine boat? Generally, they are not counter rotating, are you sure it is? Some boat manufacturers do put counter rotating engines in a single application, but not often. What is your drive system........sterndrive, straight drive, etc?

    Don
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