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Thread: Cam Selection, have specs.
          
   
   

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  1. #5
    SBC Maro's Avatar
    SBC Maro is offline CHR Member Visit my Photo Gallery
    Join Date
    Dec 2005
    Location
    Lompoc
    Car Year, Make, Model: 1970 Chevy Nova
    Posts
    73

    First off, let me say this:
    Bill, thanks for your time so far, I really appreciate it. I too have been running some different cam options through Desktop Dyno and getting similar results. When you say 1/2", you mean fifty-thousandths (.050"), right?

    I called Comp Cams, and a hurried-sounding tech advisor half-listened to the specifications I painstakingly prepared for him and spit out:
    "Yea, yea. Uhh, why don't you go with the 12-238-2. Should be fine."
    "Alright. Will the provide a decent idle, and good street power for my application?"
    "Uh huh."
    "Great." *click*

    Looking into this cam, it's specs are:
    Duration: 218* int / 224* exh
    lift: .462" int / .469" exh
    110* LSA

    Desktop Dyno says that it will be worth 382 Fly HP at 5,500RPM.
    Somehow I don't buy that
    I am gonna look into your specs a little, and see if one of these will work better for my application, thanks again for digging these up.

    Cam Breakin Question!
    Comp cams specifies that for a double spring application, to remove the inner spring during break in. Like it's as simple as yanking out a spark plug.

    Does this mean I have to break in the cam, pull the valvetrain apart, install the inner springs, and pop for new seals, doing all of this with the motor in the car for break-in purposes? Jeez, what a headache!

    I guess a 70' Nova is out of warranty though
    -Rob
    Last edited by SBC Maro; 07-22-2006 at 02:12 AM.

    NOS is the only way to void your insurace, warranty, and birth certificate with one push of a button.

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