i've had good luck with the mobil 1 engine oils. although not straight synthetic, it seems a good compromise between lub quality and price. often, i add a quart of motorcycle synthetic because it contains added potassium and zinc.
i'm going to print grimy's comments and the one from spinney and keep them with the car. very informative and thx guys. btw grimy, my penncool 3000 just arrived. i used to put water pump lube in my cars but haven't been able to find it recently at auto stores. i have a rebuilt engine [less than 200 miles] in my parts car but the water pumps again need rebuilding from inactivity.
i'll try to make pics of the car but i'm not very computer literate and will have to dig out a digital camera. every time i use one of those things i have to relearn how.
i'm a bit crippled and have to hire work that i would have done myself in the past. for instance, i intended to bring back my "parts car" but find i can't do the body work. hence, buying another same model in better shape. nice having a parts car. next project is some wiring, pulling the steering wheel to put on a horn ring, repair the plastic and put on a leather cover, then upholstery. wondering if i should buy the cover or find a pro who can install the leather. finally, i may change the color from it's now metallic red [looks good] to an original cream color.
i'm thinking of using a latigo leather hide for each door panel, waxed for protection. trying to figure out covering and attaching the armrests. you know, these lincolns have nicer appointments than the mercs but a merc is worth more money.