1. spoonman

    Porting the oil pump

    Porting the stock oil pump, looking for info Has anyone does this or know anything about it. Curious as i have a spare SR in bits which one day in a million years time i will build into a high reving weapon, and weapons need good oil pressure
  2. E

    A couple more pics from my build up

    We are going to do some final polishing, but this is the head after CNC machining for bigger valves and a full porting job. Interested of your comments :)