Quote:
Originally Posted by Thomasbeau
My location is up in the northeast corner of Connecticut. So it can get pretty cold here in the middle of the winter. This time I decided to give the Rotella T5 15w-40 synth blend a try. I also picked up a bottle of Archoil to throw in too. My regular diesel mechanic also told me that switching to full synthetic now would not help me out much but the synthetic blend prices have dropped so it's not a bad upgrade for the money.
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Not sure what you expect by switching to a synthetic, it won't hurt anything, but fairly certain you will not notice 1 bit of difference in mileage or performance.