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Old 09-30-2013, 02:08 PM   #6 (permalink)
HypermilerAX
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Join Date: Apr 2011
Location: Southern France
Posts: 159

AX - '95 Citröen AX

307 - '04 Peugeot 307 SW
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Yep, P&G works great whenever engine load is low. A powerful, aero and short-geared car will work best. An underpowered car and/or with very high gearing will work less.

My AX's engine, with its neverending final gear, it at 50% load (2000 rpm) at 56 mph and 72% load (2500 rpm) at 70 mph. That puts me quite in the sweet spot. I only P&G with a strong tailwind or on downhills >1%, enough to lower the load to make P&G interesting.
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Citroën AX 1.5 D 430.000 km
Peugeot 307 SW 2.0 HDI 136 195.000 km
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