Hey I'm on this site for information to feed my Brain regarding 6.2L and 6.5L GM motors. I own both 1983, and 1985 GMC 6.2L pickups. I have a 1993 6.2L 599 block J code that hopefully isn't cracked yet to tear down, I'll be putting a full 6.5L Turbo system on this engine if everything checks out ok. I know how to use a search bar and will probably spend lots of time just lurking and reading. more posting as I get deeper into the project as i defiantly don't know everything there is to know and am learning every day. Thanks in advance.