Originally Posted by Pharmacist

Of course, the thought of that is too hard to comprehend for many americans. You saying a pushrod, camshaft in the block, 2 valves per head is actually a technological marvel They've been designing engines like that since the 1960s and probably before. They're so powerful only because they're so big, but efficiency wise, pound for pound, LS engines are subpar compared to other engines from nissan, audi, bmw, porsche, ferrari, etc......