I have a couple of videos wuth civic pushing well over 500 hp and being street driven.
Anohter thing to keep in mind is that a turbo'ed car could very well be streetable, just as long as you keep it out of high boost.
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				also a 2500lb car wouldnt need the 800hp itd take to pull a 3500lb v8 down the track, it'd need more like 550 to run the same times with everything being equal.
			
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 Agreed, This is the power to weight thing, no matter how ricer you think it is GT, its true.  In one of the vids i have, they are pushing 489 whp and running low 11s.  Doesn't the new 405 hp vette runs  mid 12s (im too lazy to search)?