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Old 03-25-2009, 08:42 PM   #6 (permalink)
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[SOLD] Highway Warrior - '00 Mazda Protege LX 1.6L Manual
90 day: 35.93 mpg (US)

Basic Miata - '06 Mazda Miata Touring
90 day: 30.93 mpg (US)
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Quote:
Originally Posted by groar View Post
I was using pulse and coast in neutral at low speed, ie in city, and dwl at higher speed (>40 mph). After last maintenance (oil from 10W40 mid-synthetic to 5W40 full synthetic; oil, air and gas filters) I felt more power at my butt-o-meter. I decided to try pulse and coast in neutral at mid speed (40-55 mph). I remarked I can now accelerate from 1100 rpm in 5th gear while before it was only over 1200 rpm.
I'm no expert on your car, but most modern engines can run with even lighter oils that what you're running. You might want to call your dealer and ask what the lowest weight they recommend is.

My Mazda's manual says to run 10W-30, but I according to the Mazda dealer, 5W-20 and 0W-20 are more than satisfactory for lubricating the engine. The manual says 10W-30 because lighter weight oils were less readily available when my car was made.
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