The article is in GM High-Tech Performance - Sept issue - on page 40-42.
http://www.gmhightechperformance.com...6rs/index.html
Says the motors for the Pratt&Miller C6R/S cars are built for them from Katech. It shows the outboard coil mounts - sorta looks like Tyler's too. Might be using the header studs for the "C" mounts. I'll check some more and see if I can find additional info. Jim
Pics
http://www.gmhightechperformance.com.../photo_03.html
http://www.gmhightechperformance.com.../photo_05.html