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Thread: Help Me Pick Some Heads For Christmas Present
          
   
   

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  1. #9
    Nuckingfuts is offline CHR Member Visit my Photo Gallery
    Join Date
    Nov 2017
    Location
    San Jose
    Car Year, Make, Model: '73 C10 Shortbox
    Posts
    54

    I've gotten through some of the reading regarding cam choices and their relation with regard to CR but I'm still getting hung up on the proverbial "did the chicken or egg come first?". In my case, do I install the heads or cam first?

    What's the proper approach here if I want to target a SCR of 9.5:1 (assuming iron heads), do I

    a) Choose a cam that best works for 9.5:1 then install heads/shim gaskets (and possibly pistons) to achieve the target SCR?
    b) Choose a head to achieve my target SCR first, then install a cam that works best for the new SCR
    c) Match, spec and install the cam and heads at the same time

    Ideally I would think option 'c' would be the correct answer but because of budget constraints this option is out. If I go with option 'a' do I just use my target set up to make the choice? This puts me back to square one, choosing a set of heads to increase my SCR which after established would help me to choose the proper cam per everyone's advice. Thoughts?
    Last edited by Nuckingfuts; 11-30-2017 at 09:12 PM.

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