mileage or length of time??

Messages
233
Location
Pullman WA
My dad puts about 3,000 miles on his truck (84' S10 V6) a year and I only get to change his oil when I visit (twice a year) is it safe to run a conventional oil (10W-30 Exxon superflo) in this vehicle for at least 6 months? He uses Wix oil filters too. Thanks
 
Messages
6,388
Location
Washington St.
Does your dad make fairly long runs infrequently or does he make very short trips often. If long runs where the oil get thoroughly warm, yearly oil changes should be fine. If many short trips where it never gets warm, your semiannual changes are good.
 

Al

Messages
19,199
Location
Elizabethtown, Pa
I think you are more than fine here. I hate to say this but I change my Mother-in-law's oil in a 98 Grand Prix. She is 83 and puts on 2000 miles per year. I used to change oil once a year with Mobil 1- but she forgot I did that and got it changed with conventional oil. So for the past 3 years I change it once per year with dino oil [Roll Eyes] . I really need to take a sample.
 
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