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Originally Posted by California98Civic
My current tank is at 75.4 mpg.
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Impressive.
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Petby, do I understand you correctly? DWL is not about topography. I thought that too. Then I learned it is about the load on the engine from operating the car, independent of topography (though effected by it). If you get a vacuum gauge installed, people here can help you learn the technique, which involves brisk acceleration at a specific vacuum range, followed by cutting the engine, gliding, and bump starting to repeat the process. You would see a major jump in FE from such a practice.
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That's a good description of
pulse & glide.
DWL (driving with load) A.K.A. "target driving" is a precision cruising technique where you finely adjust the accelerator position to keep a desired engine load (MPG target), and speed varies as a result as external factors affect load (aero changes, terrain). Instrumentation is required for DWL, not necessarily for P&G.
Lean burn drivers know about DWL!
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You'd really bring up the average with a 93 mpg log entry!
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No promises! But I will try.
You could easily knock out 100+ mpg tank after tank with this car, but it would require slowing down more than I want to, and/or using more P&G. That's the beauty of lean burn, tall gearing & good aero: with this car I can get ~80-90 mpg summer tanks just by driving with load, cruising in lean burn at around the speed limit (secondary roads, 80 km/h / 50 mph speed limit) with a ~100 MPG target on the instant MPG display.