this was along time ago.good 4 years.i am sure he knows alot more now...ask him if he remembers my cam gears spinning all the way right after i left his shop..good thing i didnt hit a valve..i will never go back by him.i payed 200 for a 30 min dyno run and minor ajustments that i could of done my self..after spinning the gears i just put it back where i had it cause it ran much better my way.he said i pretty much had it all right on thats why i didnt get much hp gains.