ZCar Forum banner

compression test

  1. oil fouled spark plugs pls help!

    70-83 Tech Discussion Forum
    Hi Z community. My 75 Z has idled roughly since I got it running again and plugs oil-fouled despite doing many different items. Stock EFI. Here's a few important items I've done worth noting -- 1. Head was rebuilt with new medium cam, springs and rocker arms. New oil seals installed by head...
Top