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Thread: gp800:gp1200 ?

  1. #1

    gp800:gp1200 ?

    is the port timing the same on the 1200 pv cyls as on the 800 pv cyls ??


  2. #2
    No the 800 timing is much more radical compared to the 1200

  3. #3
    he is right, they are not the same.... i believed we discussed this once or twice pat when i still had my s/s gp800. you swap to 800 cylinders on a 1200 to get the port benefits without porting



    dan costello
    Last edited by X-H2oCouchrider; 09-29-2006 at 03:47 PM.

  4. #4
    Quote Originally Posted by X-H2oCouchrider
    he is right, it is the same.... i believed we discussed this once or twice pat when i still had my s/s gp800. you swap to 800 cylinders on a 1200 to get the port benefits without porting



    dan costello
    now im confused ! if they are the same then how do you get benifits ?

  5. #5
    Quote Originally Posted by blaster800
    now im confused ! if they are the same then how do you get benifits ?
    edited post..... they are different..... same physical shape and size just different port timing..

  6. #6
    xyzyx00's Avatar
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    a topic im not too familiar with- dont laugh but what is port timing?

  7. #7
    Quote Originally Posted by xyzyx00
    a topic im not too familiar with- dont laugh but what is port timing?
    basically the port heigh width and position with in the cylinder wall

  8. #8

    Join Date
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    Cool

    I'm told only work well with triple pipes/you might call lowell

    later cdpcb

  9. #9
    Quote Originally Posted by X-H2oCouchrider
    edited post..... they are different..... same physical shape and size just different port timing..
    now i get it , thanks

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