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Re: 454 mileage
well now im running 355 with 11.5 to1 comp ratio through a sm465, 308 gear ratio and 33 inch tires and im running 7.5 mpg and thats driving with a light foot. the reason i wanted a 454 was for torque
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Matt 
1986 chevy K10 355, sm465/np208, 14FF/dana 44
1984 chevy K20 350, th400/np208, 14SF/10 bolt
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