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Old 12-17-2012, 12:53 PM   #7
Scooby Guru
Member#: 767
Join Date: Jan 2000
Chapter/Region: Tri-State
Location: N.J.
04 FXT


The increase in fuel is no doubt from the OTS AP and the make-up oil likely boosted the TBN and KV. I was actually surprised that the viscosity did as well as it did with the fuel and enthusiastic driving in NC.

Interesting that the iron was high on this uoa (which is typical for M1) but it was lower in the old SM version. I suppose I would have to pay more than $23 for a uoa to find out if it's really a problem. Mobil1 had a chance to address the iron issue on the bitog q&a but they didn't. I'm pleased with the results though.

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