Thread: grooves in head
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Old 01-16-2008, 08:28 PM
  #1  
sds10racer
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Join Date: Jan 2007
Location: winner sd
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Default grooves in head

check this site out: www.somender-singh.com. looks like if it works like they say it should increase the mid range torque but hurts the higher rpm. seems to be like the flame slot in dome pistons?
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