Hey guys, up until 2 days ago i didnt even know u get a SR18, now i have one in my posesion and would love to know all the diffrences, as i know the bore's are diffrent, as the Sr18 is 82.5mm, apparently the cranks and rods dont differ. So if anyone has ever had the privlage of having had both these engines and stripped to know the diffrences please tell me. My main worry is, is the blocks the same, and the head. Thanx