Thread: In cylinder turbulence/ burn rate
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  #206 (permalink)  
Old 02-02-2008, 02:46 PM
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crazyman crazyman is offline
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Join Date: Oct 2007
Location: Northeastern Illinois
Posts: 45
In Illinois, it used to be the IM-240 program. I think it varies by state, but Mike hit the nail, not his thumb.
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