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port and polish

  1. d16z6 help with build mileage specific

    General Tech
    i have a d16z6 with 190k miles that im currently working on. it all started by just wanting to change the valve cover gasket now it turned into: intake gasket valve cover gasket oil pan gasket oil pump water pump timing belt and tensioner i figured since i was here i can do a port and...
  2. Port and polish or just remove rough cast?

    New Member Introductions
    Just figured id get everyones opinion on the topic of whether to port and polish a head or just make everything smooth being a noob to pnp work? R the gains noticable by just making the ports smooth? Is it easy to mess up the flow when being a noob to pnp work? Is it beneficial to just open...