So I just bought a 1989 honda crx, and when I got it the guy told me he had just changed the oil and I trusted his word. Well I drove about 4k miles and took it into my local lube shop (Grease Monkey) because i had a coupon and they told me it had been 14k miles since that car was last in and it still had their Mighty brand oil filter on it. The oil also came out very dark and thick. I had them change it but I am wondering if I should be doing anything else? Change the oil more often a few times? Use some kind of cleaner? I bought the car for its gas mileage ( 46-50mpg) to save money but if this did damage and I have to pay lots of money to fix it, it will be very counter productive. Yes I should have changed the oil when I bought it, but I didn't. Can anyone offer some advice? Also can anyone offer any insight to what kind of oil/ oil filter I should use? I saw a deal at o'Reilly for 5qts of valvoline high mileage and a cheap oil filter for 26.99$. Car currently has 294k miles. And i drive about 500 miles a week to and from work. Thank you!
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