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i need help with comp ratios

  #1  
Old 07-11-2008, 07:34 AM
Thread Starter
Join Date: Jul 2008
Posts: 15
Default i need help with comp ratios

ok, i have no idea how to determine compression ratios, is 8:8:1 better than 9:5:1, please help
 
  #2  
Old 07-11-2008, 08:19 AM
HCF Member
Join Date: Jul 2006
Location: Jim Thorpe, PA
Posts: 557
Default RE: i need help with comp ratios

What domean by "better"? Are you building an engine that will be all motor orturbocharged?

 
  #3  
Old 07-11-2008, 10:56 AM
HCF Member
Join Date: Jun 2005
Location: Fort Campbell, KY
Posts: 1,528
Default RE: i need help with comp ratios

if ur bulding for a turbo the lowest you should go is 8.5:1 ratio. But what are intensions with your motor anyways.
 
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