Time is running out!!

Messages
85
Location
New Hampshire
I have just 400 more miles left in this interval and then will need to do a change. 00 Silverado 4X4 5.3 current oil- Mobil 1 0-30 current filter- Mobil 1 New oil choices Mobil 1 0-40 Mobil 1 10-30 New filter choice Wix (due to the oil filter study) Truck has burned between 1/2-3/4 of a quart per this 4000 mile interval. This is my first interval with sythentic oil. Prior oil was Castrol GTX 5-30 (winter) 10-30 (summer). Suggestions? Thanks
 

J

Messages
434
Location
Berkeley
quote:
Originally posted by nhkid: 00 Silverado 4X4 5.3 current oil- Mobil 1 0-30 current filter- Mobil 1 New oil choices Mobil 1 0-40 Mobil 1 10-30 New filter choice Wix (due to the oil filter study) Suggestions? Thanks
Hi, I don't think that HT/HS is a big concern for you. So, Mobil 1 10W-30 would be my recommendation. Used oil analyses show that this grade of Mobil 1 really stays in grade. [Canada] [Cheers!] Jae
 
Messages
951
Location
Loveland, Colorado
I'd say it depends on how much trouble you want to go thru, & what you'll do when winter returns. I agree with Jae that M1 10W-30 is more stable, but would add that it's really only a concern if you plan on running your intervals for longer than 10k miles or 1 yr. Would you be switching vis in winter if you're using M1 10W-30 in the summer? M1 10W-30 flows so much better than dino 10W-30 that it's no longer necessary to switch, but you may not be able to break the habit (switching vis & going past 5k miles are both tough barriers to break!). So if you're going to switch anyway, I'd go with the 0W-40 year-round & save yourself the hassle of stocking the extra oil & trying to time your changes with the seasons. Oh, unless you base your changes on the seasons anyway...
 
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