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Re: Gas mileage increase- six to BB OD
Running 3.73 gears. Tires are 31.3 inches tall. Running 2474 rpm at 80 mph. The new transmission is a 4L80E with 2200 to 2400 stall factory converter. Running two Edelbrock 500 cfm AVS carbs on the 454.
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1968 SWB Step Side, Big Block, 4L80E , Running!
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