Does your 6.4 Hemi eat lifters?
This is a little bit of a stretch for tow vehicles but since the Ram's have the 6.4 Hemi option it kinda fits. I have a Challenger 392 SRT with the 6.4 and it developed a tick at 24K miles (believ...
Forum Discussion
Grit dog wrote:
0W40 isn't "required" in a Hemi. What Dodge guy says is true. The 20W oils were specd for CAFE standards. Been running valvoline blue 15-40 or whatever other diesel oil was on sale in the wife's old srt charger for years now. At about 140kmiles now, the car runs like a top. The extent of repairs or maint to the engine have been oil changes, new spark plugs around 100k and.....that's it.
However I don't believe 0w20 necessarily lubricates measurably worse either.
Have run several trucks on the reccomended 0W20 oil. Granted not real high miles, but there's millions of cars running lightweight oil and they're not eating lifters or bearings.
Again... 0W40 is required for the 6.4 Hemi and requires to have a special mopar specification.
