Recent content by XPD8

  1. XPD8

    Automotive How can porting and valve design improve engine performance?

    So I've decided to subject my little Suzuki Samurai to some home-spun garage surgery. Converting to a full sequential MPFI. (and doing a little porting along the way). Now for the physics(ish) bit. See image of intake cutaway. The blue arrow points to the sharp ('cut -off') trailing edge of the...
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