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Old 07-21-2011, 10:22 AM   #3 (permalink)
SentraSE-R's Avatar
Join Date: Jun 2009
Location: Bay Area, California
Posts: 1,485

Mean Green Toaster Machine - '06 Scion xB
Team Toyota
90 day: 48.92 mpg (US)
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Slower is better for mpg. I used to P&G in 4th gear from 25-40 mph. 8 seconds pulse, 24 second glide, 55-60 mpg. Dropped it to 3rd gear from 20-30 mph, and the P:G ratio is about 7 seconds pulse, 40 seconds glide, 60-70 mpg. Just for kicks, I tried 10 miles of 2nd gear P&G (10-20 mph). That's about 3 seconds pulse, 30 seconds glide, and 94.5 mpg! 5th gear highway P&G from 50-60 mph is about 9 seconds pulse, 16 seconds glide, and 45-50 mpg. YMMV with a different engine, tranny, car, etc., but the idea's the same. Your pulse:glide ratio determines your mpg. The more you glide in relation to running the engine, the better your mpg.

Boycotting Exxon since 1989, BP since 2010
Have you ever noticed that anybody driving slower than you is an idiot, and anyone going faster than you is a maniac? George Carlin
Mean Green Toaster Machine
49.5 mpg avg over 53,000 miles. 176% of '08 EPA
Best flat drive 94.5 mpg for 10.1 mi
Longest tank 1033 km (642 mi) on 10.56 gal = 60.8 mpg
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