watch.... dave fixes his shit... on YouTube
you get not do all the mistakes he makes, but does correct most of them well...don't use a dremel on your ports though, a tiny rifle file set will be good enough.
do the work your self, get a small torque wrench for
variator on the left side, right to tight 80 ft lbs, head bolts13 ft lbs, 11 ft lbs carter bolts criss cross pattern; slow build up to these specs though.
you'll like your moby better that u did it.