I just installed a hyd roller .570 lift cam in my 455 and some ported KRE heads . Man did it wake up my 455. Can't wait to try it @ the track. I have vacuum for brakes and it idles nice around 900 rpm. A nice small lobe to it. Is your assembly balanced? Lightweight pistons? Be sure to get a rev limiter! Buy rods if you can swing it. I think you will like the combo though.
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67 Firebird Best time 1.53 60' [email protected] 1/4 [email protected] 1/8 3500lb. leaf springs
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