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Oil topics are pretty heated in every forum-you should see the diesel VW vwvortex site- its like religion! My advice is to just use a quality 15w40 add in some additive of your choice, zinc is always preferred and keep it fresh- these engines have one sweet oil drain so no reason not to dump the...

next up: COOLANT and not to use modern OAT or HOAT acid coolant in our iron blocks :) Green old school is good, any other color is a type of Hybrid Organic Acid that will attack seals and hoses- I know all to well as I thought I was a smart guy swapping my old Toyota over to this amazing new...

Excellent info everyone, seems like this entire site is on top and one step ahead. Yes they removed zinc out of oil a decade ago, one can flick a quart of oil on the shelf and if you here a metallic ring its good, no ring its zinc free and zinc is what protects on cold startups and also at...

Todays ULSD is very "dry" almost like a solvent and even evaporates off my concrete floor- a far cry from 500 PPM low sulfur diesel and not even remotely the same fuel as High sulfur of Pre 1990 I have a huge family and friend diesel mechanic friend base ranging from screaming jimmy mechanics of...