ive seen some negative stuff posted about d.s.s but ive also seen a few of you guys run their stuff.....im looking for a stroker kit ...not for them to build me an engine....how is the quality of the products they sell? i also noticed they sell prepped blocks ...$625 for a 302 based stroker....is that too expensive? if i bought my own block and took it to a machine shop would i spend that much? is thier work quality? i only want to do things once....if their stuff sucks....where can i find a good kit? and a good block?? i am shopping for a 331....thanks in advance....