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Thread: Which Engine??
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Old 11-29-2007 | 02:20 PM
  #7  
captinjohn
 
Joined: Jan 2002
Posts: 12,957
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From: Hesperia Michigan, MI
Default RE: Which Engine??

ORIGINAL: av8tor1977
The newer Ryobis have some slots in the cylinder that cost some power. We think they are for smog purposes.

AV8TOR
My Guess is the slots help reduce compression for more easy starts. Capt,n
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