[Raptor]

If you waste money building the 7 bolt and it crankwalks, you only have yourself to blame. It will cost you more in the long run and the chance it will walk is pretty significant. I have several extra six bolt short blocks laying around as does a bunch of people on the site. Doing the conversion is pretty simplistic, it gets done at least once a month around here. There is soo much ink on this already, I won't waste any more. Do it right now or be sorry later.