Good point about the heatsink factor... thinking about it more, I think maximum cooling would be obtained from only removing the last 1/2" or so that connects the 'web' to the flange where it meets the head... but that wouldn't look nearly as cool

______________________________________
'99 F250 4x4 V10; '85 Ranger, 350hp 289, T5, 12.9@110.5
/////////////.---. /////////
Oo..//.-----' --- '---. ////
OOo;.'-(o)------(o)-' ///