I'm very much a rookie regarding knowledge of motor oils and happened upon this site. I've been using Castrol GTX 10w30 in summer and 10w40 in winter in my 92 Toyota truck (V6), 01 Highlander (4cylinder) and 01 Rav4. After researching what oil I wanted to start using in my ATV I am now considering Rotella T 15w40 for my Toys due to the positives I've read. Your suggestions/feedback are much appreciated. ![[Smile]](images/icons/smile.gif)
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