turbob20
04-21-2009, 12:26 AM
o.k got rid of the ole b20 stock internal 258 hp beast and now have an ls vtec all forged internals 9:2:1 je pistons and rotating assembly balanced and standard bore that i will only run 18-20psi on 93 oct that has been running for 3 months. i have a gsr head line of sight port work and stock 97 gsr cams and stainless 1mm over valves, 750cc injectors,precision 300-3431E 545hp eff. turbo with deburred and polished .63 hot side & polished compressor entry,3 bar omni map sensor,3" turbo back with 2.5"gradual to 3" megaphone exhaust entry from turbo,with side exit exhaust before back wheel,2.25" piping before intercooler an 2.5" intercooler to throttlebody,greddy profec b spec 2 controller, tial 38mm wastegate, chipped p28 by scotty,type r tranny, clutchmasters fx 500 kit and walbro 255 pump with a skunk 2 pro manifold as well as A fabbed twisted ram turbo manifold. so whats your guestimate WHP!