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cam springs

  1. cam breakin with dual spring springs

    Drivetrain & Performance
    i am going to be changing the cam and springs in my 350 right away, and in the included instructions, it says to take the inner spring out for break in, then put it back after. I was wondering how many people do this? its a comp cam xe256h with .447/.454 lift, so not extreme, the springs are...
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