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Old 01-09-2006, 09:39 PM   #7
MarineChief
Junior Member
 
Join Date: Jan 2006
Location: Wherever the trailer is... there we are !!
Posts: 11
Hey there to all:

We're running a '03 Freightliner SportChassis and I converted it to full AMSOIL synthetic lubes at the appropriate (first) oil change intervals. Unlike others, I have not had to add even a quart of oil to the engine since I made the switch. I'm first made the switch on the engine and differential, later to be followed by the Allison transmission. Since the engine is a Cat I haven't yet installed the AMSOIL double bypass filter (which should further extend the oil change interval). This is only for the lack of knowledge for a good point to return the oil to the engine (without punturing the pan with a hollow bolt). Anyway I feel that the synthetics offer a better overall protection. OTR truckers have gotten up to 130,000 miles between oil change intervals when using synthetics AND the bypass filtration.
Just as an extra note - I don't lean toward any additives into the oil such as "slick50" products and thier equivalents.
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