Ronan thanks for the response. I'm going to take it a little further. 3.0 exh valves, 2.5 int, deshrouding and some P&P on the passages. We'll see what happens. I'm sourcing some of the better design 2.5 pistons also. Should be fun.........

Rob Collins 98.5 svt blk/blue #5778of6535 I've got some mods.