Burning and leaking. No smoke, but oily residue on back bumper above exhaust. I have a replacement engine to rebuild to save downtime and it's complete with cat.
I have other vehicles, but we've been together a long time. I have a parts-car that I've already pulled the transmission from and am disassembling the engine of in situ for rebuild. My ex offered to take it and leave me with her much newer car, but I said no.
At what rate of oil consumption does changing the oil become pointless? My daily driver is a 1997 Nissan Sentra with 425,000 miles. I’d like her to make a cool half-mil before rebuild or failure. An oil change with filter requires exactly 3qts. By the next oil change at 3,000 miles, I will...