s50 bore help

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  • knuklehead92
    Mod Crazy
    • Aug 2011
    • 732

    #1

    s50 bore help

    i have a s50 block and its pretty good condition but 3 cylinders have some scoring. cylinder 2 has the worst scoring. Does any one know if the s50 has cylinder sleeves? or does it have to bored. if so whats a safe bore.
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  • knuklehead92
    Mod Crazy
    • Aug 2011
    • 732

    #2
    bump and does anyone have a s50 running 11:1 compression with forged pistons? if using 11:1 forged pistons can i use those pistons with stock rods? and does anyone know what injectors to use with this setup?
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    • e46s54dr
      E30 Enthusiast
      • May 2008
      • 1059

      #3
      Originally posted by knuklehead92
      i have a s50 block and its pretty good condition but 3 cylinders have some scoring. cylinder 2 has the worst scoring. Does any one know if the s50 has cylinder sleeves? or does it have to bored. if so whats a safe bore.
      They are a cast iron block with no sleeves so a bore and hone can be done. I remember reading that the max bore people felt safe on a s50 was right around 87.


      Originally posted by knuklehead92
      bump and does anyone have a s50 running 11:1 compression with forged pistons? if using 11:1 forged pistons can i use those pistons with stock rods? and does anyone know what injectors to use with this setup?
      Most pistons are made for the use of stock or stock spec rods unless otherwise noted. Also, I dont see why you couldnt use stock s50 injectors? You could uprade them if you like but I dont think its neccessary.

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      • 328ijunkie
        Forum Sponsor
        • May 2007
        • 3961

        #4
        I wouldnt use stock S50 injectors, Stock OBD2 ones (21.5's) would be fine though.

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