08-13-2018, 01:44 PM | #57 |
Drives: 2017 2ss, m6 Join Date: Jan 2017
Location: Iowa
Posts: 231
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I'm gonna go out on a limb here and say that they lost the 1 mpg on both transmissions due to the change in factory engine oil fill. If they are filling with 0W40 now they will have to test with it. If you look at the kinematic viscosity of a 0W40 compared to the old 5W30 at operating temp it's clear to see that the engine is working harder to pump the oil. The aero could share some blame as well but the oil change will hurt it right off the bat. There's no free lunch in this game.
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08-13-2018, 02:17 PM | #58 | |
Drives: rally green LT1 manual Join Date: Jul 2018
Location: Indiana
Posts: 282
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