Quote:
Originally Posted by Mazinger
I used to put only Mobil 1 0-w-40 in my m119 4.2, till one day i heard rod knock as I was starting the engine (over 40c ambient temperature at the time).
Since then I've been using 20-w-50.
|
I tried Mobil 1 synthetic one time. My lifters were noisy as hell! I went back to my tried and true Castrol 20-50, and all was better. Ive been using it for the last 100K religiously, and no problems. I run 10-30 in the winter time, however.