ansibe
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I've heard excellent things about 0W40 Mobil 1 “FS” European Car Formula, and I'm considering using it in my 2016 GT. I'd like to hear what you think.
I'm amazed how high my oil pressure is on cold start (90psi at idle), which is a good indicator the oil is not flowing well. I wait until it drops to 60psi or so before revving higher than 4000. This is why I'm leaning toward the '0' - better flow at low temp. Also, the car is frequently driven around at 1500rpm when warm. I never use full throttle at those low rpm, but I also hope the '40' will provide more support for the plain bearings at normal temps and low engine speeds. For normal street conditions 0w40 seems a good choice for me.
I also track my car - very hot; very high rpm. I'm actually concerned in these conditions that '40' might be too heavy, even when very hot. I think at these elevated rpm, a very thin oil will provide plenty of support (i.e., the 5w20 Ford recommends). Of course, a thicker oil will provide more support, as long as it can get into the bearing.
I'm amazed how high my oil pressure is on cold start (90psi at idle), which is a good indicator the oil is not flowing well. I wait until it drops to 60psi or so before revving higher than 4000. This is why I'm leaning toward the '0' - better flow at low temp. Also, the car is frequently driven around at 1500rpm when warm. I never use full throttle at those low rpm, but I also hope the '40' will provide more support for the plain bearings at normal temps and low engine speeds. For normal street conditions 0w40 seems a good choice for me.
I also track my car - very hot; very high rpm. I'm actually concerned in these conditions that '40' might be too heavy, even when very hot. I think at these elevated rpm, a very thin oil will provide plenty of support (i.e., the 5w20 Ford recommends). Of course, a thicker oil will provide more support, as long as it can get into the bearing.
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