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Thread: Help w/Cam Choice

  1. #1

    Help w/Cam Choice

    Hello everyone!

    I built my first motor on my own about 7 months ago. I thought I had the cam I wanted after talking to a couple folks, but I don't think it's enough for me. Right now I have a 351w (.030 over), some GT40 3-bar heads from my buddies 94 lightning (been ported) a Weiand Stealth intake, 650 double-pumper, and Hooker Headers. The numbers from the current cam I have are:

    204/214 @ 50, 270/280 Dur, .448/.472 Lift, and 107/117 Lobe Sep.

    It's a hyd. flat tappet cam. It has a really smooth idle, and performs okay, but I really want that "rackety rack" rough idle, and a little better performance out of it. Like I said, I'm really new to the technical side of things, but I'm learning as much as I can from anyone who is willing to teach me. Anyone have any suggestions on what cam would give me what I want out of this motor?

    Thank You!

    John T.

  2. #2
    Senior Member RACING JUNKIE TheYellaBrick's Avatar
    Join Date
    Mar 2008
    Emmett, Idaho
    You just want a lopey cam sound or do want PERFORMANCE ?
    If you want performance then we'll need the following info;
    -year, make, model vehicle.
    -Type trans,
    -what KIND of driving do you do
    -Tire size
    to those who

    God Bless our folks in uniform
    "We the People, have your backs"

  3. #3
    Both of course!

    81 Ford Flareside
    AOD (can get a bigger stall if I need one)
    27" tire
    4.11 gears

    This is not a daily driver, just something to have fun with on the weekends.

    Thanks again for the help!

    John T.

  4. #4
    How about a good website or book that would help me along the way? Anything?

  5. #5
    Senior Member RACING JUNKIE
    Join Date
    Jan 2006
    I'm thinking that the 117 overlap is more like a nitrous cam, plus it will give a very smooth idle. I would look for something around 110 lobe seperation and about .525 to .550 lift, that should give you good performance and a healthy lope.



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