The current issue of Corvette Enthusiast magazine on newstands now has a very nice article on C4 cooling systems. Nice resource to have. db
Jim Olson
The article on C4 heating/cooling systems was in the June 09 issue. All Corvette Enthusiast issues are available online for free, just register and browse through current and past issues, color pictures and all. If you can't find it, email me and I'll email a PDF of the article back to you.