I was using 0w-20 M1 in my 1994 G20 (SR20DE engine) for the last 20 miles and everything was fine. The engine has about 100-120 k miles on it (that is another story). The compression is still between 180-185 in all cylinders (stock is 185). Oil consumption has always been a bit higher than I like in this vehicle, but it has no visible leaks and never visibly burns oil at any point from what I can see. I have never actually monitored oil useage. It is now going to be a seldom driven backup/beater/emergency car for the wife. It will never be driven hard and anticipate it will only be driven in rural/suburban areas. Gas mileage is not paramount either. I would estimate that this vehicle will get used no more than 3600 miles per year. That would be with me driving it once per week to the commuter lot just to make sure it gets run. I would like to get your opinion on what oil to use and how often to change it. I would prefer the cheapest option, but would also like the option where I am adding oil the least. Then again, I don't know if I can let Dino sit there all year and change it once per year @3600 miles. I was thinking of some Castol GTX HM since it seems to address most of the issues/thoughts I have pretty neatly. Recap: 1) Don't care about fuel economy 2) Want to reduce consumption because I have 3 other beaters to think about 3) I am just concerned that I couldn't leave it in there all year. I believe that is a no no for a dino oil? Not sure if it still is. Any suggestions on brand/oil weight? I wouldn't be opposed to a 5w30 or a 10w30. I wouldn't even mind some supertech 10w30 and a cheapo filter to save money and reduce the consumption (which again isn't all that bad...just haven't measured it). Anyone bored? looool Thanks!