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Old 10-26-2010, 10:48 AM   #3 (permalink)
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Join Date: Apr 2008
Location: ontario
Posts: 84

240Z - '73 Datsun 240Z 240Z
90 day: 34.41 mpg (US)
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energy used to rotate a cam gear in the first place is very minimal to the energy required to move a 2000lb car along the road. Id expect that even a weightless cam gear would show no noticeable mpg improvement, using it to to time the cam on the other hand could help (if its adjustable).
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