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Search results

  1. M

    Rocker ratio

    I am interested in the Roller Rockers made by Creative workshop. They mention that 1 : 4 is the standard ratio on the 1725cc engine. Can anybody confirm this for me or lead me to a tech paper confirming the std. ratio? I thought std. was 1 : 5
  2. M

    1725cc racer

    Hi all, I live in Brisbane, Australia and am doing up a 1725cc motor for some Sprint & a little hill-climb racing. I want to bore it out a little bit (say 3 1/4" ) and am also considering say 100 thou extra stroke. have any of you guys done this? If so, what pistons did you use? Also con rods...
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