Originally Posted by
Adam-M
what supporting mods do you need to make 520/530 with a 7064 mark? Would an engine with standard ports but bigger inlet manifold and uprated inlet cam make this?
477hp is most I have seen on a stock engine and a hart inlet. I did one with cams but the owner crashed the car before I got to see what Hp it makes.
On a ported head and cams I have seen 521hp and 535ftlb.
Mark