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1) 0w-30 synthetic motor oil helps significantly over 10w-30 (oil pumps work hard to push cold oil).
2) 75-90 synthetic gear oil in the rear end (or wherever your vehicle uses 80-90)
3) pre heat the engine in colder climates but don't over do it as you are wasting electricity if you do.
4) coast in neutral wherever possible UNLESS your hill requires braking and your injectors automatically shut off during deceleration.
5) Drive even slower yet into the wind. Compensate for lost time by driving faster with the wind. It will all even out time wise.
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