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Old 04-19-2009, 08:54 PM
  #19  
MEMRACING62
Senior Member
RACING JUNKIE
 
Join Date: Sep 2007
Location: orland pk il
Posts: 2,399
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compression check is only useful to determine condition of cylinder. not the ratio. fla & zip left some great links for ya to clear up the confusion. if a mechanic is telling you that you can tell compression ratio from the guage, he is dead wrong!!
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