I have 2 7m-GTE blocks one is good other is not. 1 good crank 2 good sets of connecting rods 9 good std size pistons. I also have a complete non-turbo engine should i use the cams from the na motor? or use my stock cams i would like a little more power but would like to retain stock look outside. Car only has 87k on it and is mint. can i use the na block or should i stick with the turbo block i can see the diffrences on the outside but have not torn down the na motor yet was told poss hg issue