My power steering removal was worth a solid 4 mpg improvement at 55-60 mph, 46 mpg compared to 42 on a slightly modded 95 Neon with SOHC base motor. I left the AC on it though. Driving at the same speeds with the AC on makes the car loose a solid 4 mpg too. On the dragstrip the PS removal was worth about 9 hp improvement to let it cut the ET in the 1/4 by a full 8 tenths! Years ago a underdrive pulley kit resulted in a much less improvement.
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