I use two Lubro Moly products, Ventil Sauber (Valve Cleaner) and Jectron (Fuel Injector Cleaner) and I have had great success with these products. These are the cleaner products that I know works well in my car.
For synthetic lubricant products, I use Amsoil.
1987 260E Charcoal Grey 157,000 Miles
1987 260E Forest Green 120,000 Miles