Thread: Diesel vs Gas
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Old 01-24-2015, 11:03 AM   #49
Padgett
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This is something that people with gasoline engines do not understand about diesels: like a horse it will just keep going until it expires (what "rode it to death" means) & the more fuel and more boost you put in, the more power will come out (but note the "more fuel" part.)

This is why monitoring the EGT on a boosted diesel is critical and more so on the new, light, aluminum blocks (think the Ford ecoboost is still an iron block).

Most gas engines will carry on cranky and go into massive detonation when overheating. A diesel will just keep pulling.

There has been a lot of life experience with the BMW 2.4 liter turbo diesel that came out in the mid-80s (used in some Fords and the Vixen RV). Can say that if the EGT gets too high, cylinder heads are quite expensive to replace.

I suspect that as direct injection becomes common, gas engines will become more diesel like and people will need to follow diesel precautions. (like let the engine idle for a while after a hard pull and Do Not just shut down). Be warned.
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