rate this stuff for add some horses on a 318

I had my heads cut from a 1.88 to a 2.02, just handed him bare heads and 1 valve and the guy did it for me 20 bucks a head. Im sure you can get some 3/8 valves over there. I took a grinder and opened up the choke behind the valve face to 90% per porting instructions. Thats pretty EZ for a big port head. You already opened the port to the 360 size. German gas is WAY better than the turpentine we have here. Your 100 super is ~95 octane here, pretty good stuff.