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What does porting the heads mean/do?

This is a discussion on What does porting the heads mean/do? within the Internal Engine forums, part of the LSx Technical Help Section category; ***...

  1. #1
    Don't tread on me!
    Join Date
    Jul 2007

    2002 WS6 Trans Am

    What does porting the heads mean/do?


  2. #2
    Bomb Technician Krazy351w's Avatar
    Join Date
    Nov 2006
    In A Jesus Christ pose.... on the banks of the Thames with Ratty and Mole.

    hunter Green
    92 Camaro RS 350 Special

    porting the heads increases the size of the runners i believe, i may be wrong as im not 100% sure so dont take my word on this. polishing them reduces the friction in the runners. porting and polishing increases the total ammount of air allowd into the engine while reducing friction on the air allwing it to move air in quicker. but like i said im not 100% sure on this.

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