Quote: ... because they can work really well, once finished properly.
I have the EM470 heads and... they went 9.29 in my 3220 pound Dart, with a flat tappet cam.
You probably had the fastest full-bodied (3000+ #s) Stage VI-headed car on the planet. The only cars w/ those heads that I'd ever heard of going faster were tube-chassis deals that were closer to 2500 #s.
