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Christ · 01-07-2010, 11:36 AM

You also have to remember that the difference noted between 45mph and 55mph is ONLY at those speeds.

It doesn't account for speeding up, slowing down, etc. It's a steady state test, designed to find the difference between two sets of data. That's all.

If you're trying to measure the same difference on your daily commute, you're going to fail at it, and that's all there is to it.

The main point is that there is/was a 15% difference between 45MPH steady state, and 55MPH steady state, using the SGII or other instrumentation to determine instant economy data.

01-07-2010, 11:36 AM	#422 (permalink)
Christ Moderate your Moderation. Join Date: Nov 2008 Location: Troy, Pa. Posts: 8,919 Pasta - '96 Volkswagen Passat TDi 90 day: 45.22 mpg (US) Thanks: 1,369 Thanked 430 Times in 353 Posts	You also have to remember that the difference noted between 45mph and 55mph is ONLY at those speeds. It doesn't account for speeding up, slowing down, etc. It's a steady state test, designed to find the difference between two sets of data. That's all. If you're trying to measure the same difference on your daily commute, you're going to fail at it, and that's all there is to it. The main point is that there is/was a 15% difference between 45MPH steady state, and 55MPH steady state, using the SGII or other instrumentation to determine instant economy data. __________________ "¿ʞɐǝɹɟ ɐ ǝɹ,noʎ uǝɥʍ 'ʇı ʇ,usı 'ʎlǝuol s,ʇı"