boils down to a few things. -cam aggression -spring pressure Thats why you can get so many diff opinions. You cant compare what one person says to another unless the engine and conditions are identical.. FACT
[color:"red"]65 Hemi Belvedere coming soon [/color] [color:"#00FF00"]557" Indy engine 1.07 60ft 144mph in the 8th 2100 lbs package [/color]
