Cummins ISL Oil recommendation
Getting ready for my first service, and I see the shop offers standard oil, semi synthetic, or full synthetic. Terrific :) Any idea what would be the best oil for the ISL that operates as a vacati...
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All I use is Shell Rottella. Once the diesel is broke in I'll switch to the synthetic version which I believe is called "T6".
Unfortunately most motor homes sit too long and all the oil film is drained from the bearings. This causes a dry start until the oil pump starts pumping oil. With synthetic oil, the film stays much longer and protects the surfaces better.
I save enough money changing my own oil to justify the added expense of the synthetic oil.
Jmo
Unfortunately most motor homes sit too long and all the oil film is drained from the bearings. This causes a dry start until the oil pump starts pumping oil. With synthetic oil, the film stays much longer and protects the surfaces better.
I save enough money changing my own oil to justify the added expense of the synthetic oil.
Jmo
