Quote:
Originally Posted by gildo4realdo
Although I do realize driving style is very important, I just can't look past the safety hazards of the pulse and glide stuff.
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First, I'd like to counter the claim that P&G is inherently hazardous. That's a misconception/generalization. Done by a competent driver in an appropriate vehicle, in appropriate circumstances, it's no more dangerous than any other of the myriad "normal" driving techniques used to get where we're going.
I think I can speak for Andrew and tell you that, yes, he uses P&G and engine-off coasting (EOC) quite a lot. As larryrose11 correctly pointed out, technique is the path to the largest fuel economy gains.
That's not to say the mods aren't helping significantly on their own. I think it's safe to say that driven at a constant highway speed (ie. no special techniques), Andrew's mods may represent roughly a 20% improvement over his car's stock configuration. (Note that the alternator delete mod represents a significant chunk of that total.)
FYI, I posted a breakdown of "mods vs. technique" for my car here:
2006 retrospective (there's more where that came from) - MetroMPG.com
Are mods worth 20% alone worth doing? I suppose the answer depends on your own particular criteria for return on investment of time/resources.