Cosmos36 Posted May 10, 2018 Report Share Posted May 10, 2018 MKXMark...over an adult lifetime (and two wifetimes), I have enjoyed many occasions (including one hurricane) on South Carolina's coastal beaches, especially enjoying the low country cuisine, plantation tours (luv the alligators), civil war history, hospitality, natural features, etc. Enjoy & savor. Quote Link to comment Share on other sites More sharing options...
akirby Posted May 10, 2018 Report Share Posted May 10, 2018 Charleston is one of my favorite cities. Cosmos36 1 Quote Link to comment Share on other sites More sharing options...
MKXMark Posted May 10, 2018 Report Share Posted May 10, 2018 We'll be on Bald Head Island and will be leaving the MKX at the ferry terminal for the week. Quote Link to comment Share on other sites More sharing options...
Cosmos36 Posted May 10, 2018 Report Share Posted May 10, 2018 Nice...great time of the year with pleasant temps and ahead of hurricane season. I was in the vicinity (New Bern) during hurricanes Hazel (1954) & Irene (2011). Mosquitos flushed out of local rivers & swamps were unbearable. Currently working on another trip this fall to Charleston locale, our favorite east coast destination. Quote Link to comment Share on other sites More sharing options...
walkabout Posted May 11, 2018 Report Share Posted May 11, 2018 I did my graduate work at Vanderbilt (in Nashville) so I used to drive down that way a lot. Neat part of the country. Quote Link to comment Share on other sites More sharing options...
waltcmusic Posted May 22, 2018 Report Share Posted May 22, 2018 (edited) . Edited July 9, 2018 by waltcmusic Quote Link to comment Share on other sites More sharing options...
akirby Posted May 22, 2018 Report Share Posted May 22, 2018 Yes it’s a 3.7 but lately it’s actually been 19.5. Probably winter fuel. It’s also FWD which helps. My 3.5LEB gets 21 with 470 lb/ft of torque. It’s amazing. Quote Link to comment Share on other sites More sharing options...
walkabout Posted May 22, 2018 Report Share Posted May 22, 2018 The 2.7T is slightly more efficient. I think the difference is like 1 MPG in city only. Akirby - the fuel economy gage on my vehicle says 19.6. I am in LA traffic sometimes but I mostly commute via mass transit. So, a lot of the miles are on open highway (for outdoors activities). When I calculate the MPG manually, I find that the car's gage is a little optimistic and its somewhere between 18 and 19 MPG. Quote Link to comment Share on other sites More sharing options...
mkx-wanders Posted May 22, 2018 Author Report Share Posted May 22, 2018 mkx-wanders, what's your average MPG? walkabout and others remain skeptical. This twin-turbo 2.7L engine may be secretly using more fuel at idle and low driving speed that what 3.7L would do. We will find out the mystery. Winter City Average - 19.5 Summer City Avg - 18.3 (Lotsa aircon) Quote Link to comment Share on other sites More sharing options...
waltcmusic Posted May 23, 2018 Report Share Posted May 23, 2018 (edited) Edited July 9, 2018 by waltcmusic Quote Link to comment Share on other sites More sharing options...
Cosmos36 Posted May 23, 2018 Report Share Posted May 23, 2018 I'm also wondering, does it make a difference whether the car is right or left hand drive or whether the engine is longitudinal or transverse? Quote Link to comment Share on other sites More sharing options...
mkx-wanders Posted May 23, 2018 Author Report Share Posted May 23, 2018 Is this city driving or combined driving? With highway together, what's your average MPG shown on dashboard display? That is city/combined/what-ever-the-computer-says. My City-MPG only has a couple of miles of HWY-MPG averaged in. Quote Link to comment Share on other sites More sharing options...
MKXMark Posted May 23, 2018 Report Share Posted May 23, 2018 Just went on a 500 mile interstate roadtrip with 3 people plus luggage, 8 hours driving time and averaged 23.5 mpg. It normally gets19.5 in mixed driving. 3.7AWD with all fuses in place. Quote Link to comment Share on other sites More sharing options...
walkabout Posted May 23, 2018 Report Share Posted May 23, 2018 The idea that the 2.7 "secretely uses more fuel at idle" is another of Walt's whoppers/improbable logic. At idle, the turbo doesn't do anything. So,it is a bigger engine vs a smaller engine. That sort of scenario is what accounts for the miniscule edge the 2.7t had over the 3.7 in epa mpg. akirby's reports of mpg in his 150 make me optimistic about the improvements we will see in the Nautilus. Cylinder deactivation and a more modern transmission should buy 2 or 3 mpg. It's worth pointing out that all that happens on regular. The high reving small turbos usually require premium (with all that compression) Quote Link to comment Share on other sites More sharing options...
walkabout Posted May 23, 2018 Report Share Posted May 23, 2018 Ps don't believe the dashboard fuel consumption estimator. Mine says 19.6 but when I calculate via the tried and true methods, it's a slight overestimate. Quote Link to comment Share on other sites More sharing options...
waltcmusic Posted May 23, 2018 Report Share Posted May 23, 2018 (edited) Edited July 9, 2018 by waltcmusic Quote Link to comment Share on other sites More sharing options...
waltcmusic Posted May 23, 2018 Report Share Posted May 23, 2018 (edited) Edited July 9, 2018 by waltcmusic Quote Link to comment Share on other sites More sharing options...
akirby Posted May 23, 2018 Report Share Posted May 23, 2018 https://www.theglobeandmail.com/globe-drive/adventure/red-line/the-trouble-with-turbos-why-fuel-economy-can-be-worse-not-better/article29705614/ 2.7LEB is not a "small turbo engine" nor does that article address idling. Ecoboost engines have a wider range of mpg than NA engines. That means you can do worse or you can do better but it depends entirely on how you drive it. If you drive like the EPA test under the same circumstances (including using pure gasoline not E-10) you'll get EPA results. But most people don't drive that way. Quote Link to comment Share on other sites More sharing options...
MKXMark Posted May 23, 2018 Report Share Posted May 23, 2018 Does your dashboard show it's in full-time FWD, or some AWD while cruising flat? I thought you knew how these vehicles work. It's been stated multiple times here that the rear wheels are engaged only when accelerating or slipping. It's a FWD vehicle at cruise. Quote Link to comment Share on other sites More sharing options...
waltcmusic Posted May 23, 2018 Report Share Posted May 23, 2018 (edited) Edited July 9, 2018 by waltcmusic Quote Link to comment Share on other sites More sharing options...
Cosmos36 Posted May 23, 2018 Report Share Posted May 23, 2018 Perhaps some of the silliness about 2.7TT 'secret fuel consumption' can be further debated when the Nautilus arrives with auto start/stop. However, the conversation will be confused/influenced by the presence of the 8-speed tranny, whether the driver turns the start/stop off, etc. etc. Over the period of my annual usage, the difference of a 20 or 25 MPG average only amounts to a total fuel cost amounting to pocket change in the big picture. Regarding EPA testing, the average speed is only 48 MPH for ~ 750 ticks on a clock...hardly representative of sustained real-life driving. The quibbling over insignificant fractions of MPG in this thread are beyond the realm of rational, empirical discussion. Timmer 1 Quote Link to comment Share on other sites More sharing options...
waltcmusic Posted May 23, 2018 Report Share Posted May 23, 2018 (edited) Edited July 9, 2018 by waltcmusic Quote Link to comment Share on other sites More sharing options...
walkabout Posted May 23, 2018 Report Share Posted May 23, 2018 Just curious, when you say "for sure" is there anything more solid than "Walt says so" behind that? According to Walt, the 3.7 is the more durable engine, the 3.7 gets 40 miles per gallon on the highway, and the 3.7 is much quieter. Do you have any real evidence to back any of that up? Quote Link to comment Share on other sites More sharing options...
walkabout Posted May 23, 2018 Report Share Posted May 23, 2018 2.7LEB is not a "small turbo engine" nor does that article address idling. Ecoboost engines have a wider range of mpg than NA engines. That means you can do worse or you can do better but it depends entirely on how you drive it. If you drive like the EPA test under the same circumstances (including using pure gasoline not E-10) you'll get EPA results. But most people don't drive that way. As a general principle, turbos exact a stiff penalty when you drive them hard. But, I think it was Motor trend that recently compared real world MPG vs. EPA MPG and basically found the same distortions for NA and Turbo engines. I will try to find the article and post it. Quote Link to comment Share on other sites More sharing options...
akirby Posted May 24, 2018 Report Share Posted May 24, 2018 What I’m saying is this: let’s say the EPA combined rating is 21. A NA engine might have a range of 19-23 depending on how you drive it. Whereas an ecoboost might have a combined rating of 23 but a range of 18-26. It can be worse than the NA engine or it can be a lot better. It’s more sensitive. At least that’s been my experience. Quote Link to comment Share on other sites More sharing options...
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