First time with synthetic
I was in Ames, IA this weekend, and I thought I'd change my oil while I was there because I have a good place there to change it. For some reason I thought I'd switch to synthetic today, see how that goes. I bought my Mobil 1 and Wicks filter, totalling $30 with 5 quarts, which I was pretty pleased with. Then I got back here and read about switching to synthetic at 110k miles like my car, and I'm thinking it wasn't such a great idea after all. Hope my car doesn't leak any now. But my question is, how many miles can I safely go on this stuff? 8k, more, less? Do I need to change the filter at 4 or 5k? I've never changed the filter before without putting in all new oil. How much will I lose if I do that?
Oh, and after I changed the oil in my car I decide to change the oil in my girlfriend's Escort zx2 as well, so I go to k-mart and pick up some castrol syntec because it was the only synthetic there in 5w-20, and I got a box of six quarts for $6.19. Pretty sure that was a mis-pricing on their part. Hope that deal is still around for the next oil change.
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