Quote:
Originally Posted by Thud
It's seems pretty arbitrary to classify engines based on their displacement. Why not classify based on weight or overall size? I guess that's because the government does-- which is probably a result of clueless politicians.
Yeah, an LS3 motor displaces more than an S65. But the LS3 weighs less (415lbs vs 445lbs).
So the LS3 is a lower-weight engine, with fewer moving parts, more HP, more torque, and better fuel economy.
And before somebody says something about antiquated pushrod designs, just remember that overhead cam designs pre-date pushrod designs by several decades.
Anyway that's the former vette owner in me coming out... I do love the S65 sound at 8000rpm. And I love BMW straight sixes (particularly the diesel!)
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That's an interesting - no startling - little known fact. Go Corvette; go GM; go USA!