- posted
20 years ago
Sometime before my Toyota hit 200K, I started running 20W50 in the warm months and 10W40 in the cold months.
I am sure someone will tell me it was the wrong thing to do; however, it is at 295K now and hasn't started using oil yet.
Oil is pretty darn dirty at 3000 miles - viscosity is probably still okay. I think there are worse things that you could spend your money on. There are a lot of technicians that will tell you 3000 is definitely the magic number. Some are quite emphatic about it. Personally, 5000 has worked okay for me.
Luther
paint thinner to swell the seals
I recall Consumers Reports (I think) 5 or 10 years ago rebuilt a bunch of well worn NYC cab motors, then ran them for 50kmi. Some they changed various intervals, others not at all. After the 50k they tore them down, and found little if any difference in wear.
I can't find verification for my memory however, so the mileage may be off. I still change mine on a regular basis. I rather miss my '65 Mustang though, since I never had to change oil. I just rotated, what with it leaking almost as fast as I could put in:)
I have changed the oil in my truck from day 1 at 3000 mi. w/ 10W-30 and thats it. I am at 213k and changing it still at 3000. I think
3000 is the magical number and every Yota should do it.This truck will last me a life time.
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