Quote:
Originally Posted by Old Money
i have a 72 c-10 up hill 350. it came with t 400. 8 miles per gallon,uphill,downhill,going around corners,coasting or wide open throttle. at 350 will cost you in the begining.but better gas mileage. the 400 will break the bank at the gas pump. i put in a MD8, gas mileage increased to 12.6 mph.
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Something is very very wrong if you gained 4.6mpg. going from a th400 to a th350.