I have a 2011 96ci w/v+h x-pipe and v+h 4"oval slip on mufflers,SE heavy breather,SE pro race tuner. I am installing a set of s+s 117"cyl w/deep dish pistons,stock heads are being ported and 1.900" int. valves installed,s+s book lists cyl w/ported heads to be 10.2:1.and SE adj. pushrods. block is being bored for 117" spigot od and crank is being trued and welded. I am looking for a lot of torque. I do a lot of city/2 up driving and don't know what cam to install, red shift 577 or 657(req. diff.springs than stock .585") or s+s easy start 585 or 625 or someting from andrews?