Koleno blocks....

I am looking into blocks for my next build.hughes engines has a lot of info on these blocks. Hear is the web site http://www.hughesengines.com/Index/...tNDI2LTQ0MCAoUmFpc2VkIERlY2sp&level1=QmxvY2tz I think i am going with a world block. Koleno blocks are a little heaver witch might be a good thing. There direct web site is www.kolenoperformance.com .I havent heard of anyone running there blocks but I am sure someone is. Mark