1997 F53 460 and Rotella R6 5w40
Hey guys, I have a 97 F53 chassis with the 460 with 11,000 miles. I just got it so I don’t know what oil was in it but it had a Ford filter and the oil looked surprisingly clean. Today I put a Mobi...
Forum Discussion
Bruce Brown wrote:
Agreed. The manufacturers recommend those oils for a reason. If they wanted 5-40 They would have recommended 5-40. :W
I don't think that 5 weights were commonly available in 1996.
Was there a typo in the original post ? I don't think they make an R6.
I use Rotella T6 in both engine and generator.
I think it is 5W40.
Truth be known, the engine will NOT know the difference with a small deviation in the viscosity rating.
The bottom number for synthetics is often lower because it flows better when cold; that does not necessarily mean that it really is "thinner", especially if the top number is the same.
