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  1. Backtobasics

    magnum head porting / pushrod pinch area / etc

    I have a set of Magnums, off my "need to be rebuilt" 5.2 that I am going to put on my new "used" 360. I am also removing the center divider in the kegger manifold, and porting the runners to match gaskets. My question is on the heads. Supposedly Magnum heads outflow traditional LA heads, but I...
  2. Backtobasics

    Stall on highway....thoughts?

    Running to work yesterday AM, 70MPH, car hiccups like it died. At this speed the rear end is noisy, so car cannot be heard. No Tach.... So I clutch in, clutch out, and it starts, but surges and chugs. Uh OH. 1/4 tank of fuel. It chugs and evens out, as I get off the highway. It wants RPMs to...
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