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Old 07-30-2010, 08:03 AM   #6 (permalink)
Daox
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Well, a diesel still looses efficiency at lower loads, just not NEARLY as bad as a gas engine. The BSFC charts show it all. As you can see in the example below, the gasser's peak efficiency is roughly equal to the efficiency of the diesel at ~30-40% load.

2.0L Ford Zetec engine



99-03 VW 1.9L TDI engine
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