Originally Posted By: erogers
It's currently -2 degrees Fahrenheit outside (Chicagoland area). My '94 T-Bird is sitting out in my driveway with 5W-20 in it for the first time in temps this cold (I've always used 5W-30 in the past).
Would 0W-30 be a better choice for cold starts then the 5w-20?
The upper number, 30, is for when the engine is at operating temps. The operating temps (200F) should stay close to the same regardless of outside temps.
It's currently -2 degrees Fahrenheit outside (Chicagoland area). My '94 T-Bird is sitting out in my driveway with 5W-20 in it for the first time in temps this cold (I've always used 5W-30 in the past).
Would 0W-30 be a better choice for cold starts then the 5w-20?
The upper number, 30, is for when the engine is at operating temps. The operating temps (200F) should stay close to the same regardless of outside temps.