Author Topic: Grooving the cylinder  (Read 886 times)

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Offline joe_indi

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Re: Grooving the cylinder
« on: March 11, 2015, 05:45:01 am »
  With a Hemi type head seen on many chainsaws the "swirling motion" (turbulence) is created when the fuel/mix enters the chamber in a vertical swirling motion if I'm not mistaken.

Not sure how the piston grooves  would help that?

The Indian guy , Somender  Singh has been cutting grooves on key portions of heads to improve burning of stagnant areas in combustion chambers for years with apparent dyno proven results. I tried this on a few saws and didn't feel any difference.  Lol



As I had mentioned in my post, the grooves are to be cut on the head, not on the piston. Since I had no tools handy to cut grooves on the head  through the restricted space of the cylinder I tried these grooves instead on the piston.
But I dont know if the grooves on the piston give results similar to grooves on the head.
Joe

 

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