Re: What's the best oil for a old tired engine?
I would not spend anything but minimum money on good oil for an old engine. I buy name brand oil on sale by the case at the auto parts store. I currently have 2 cases of Valvoline left which were purchased for $1 per quart about 2 years ago. I use 10w40 in my 83 BB - I think that would be best for you also. I buy oil and air filters the same way and stock up. My BB takes 7 quarts.
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