hey mate, engine has crower billet I beam rods, JE forged piston, good bearings, modded oil pump, highly modified head, over size valves, HKS272 cams, ARP fasteners etc. Setup is all geared to work best at 35-40psi on 116octane fuel, to this date i am just running it with no boost control on 14 psi gate springs, it bleeds to about 21psi and runs on regular 98 octane pump fuel, it should be a little less laggy once i have some electrics hooked up to hold the gates closed for longer.