Whipple Supercharged Civic Si

483whp/305wtq on 93 octane 520whp/328wtq on E85 8thCivic.com build thread -- http://www.8thcivic.com/forums/car-bu... Motor build: Benson sleeved k20z3 block (88mm bore) 2.1L CP pistons Manley Turbo Tuff Rods ACL bearings ARP head studs Type-S Oil Pump Toda timing chain tensioner Head: ported z3 head Supertech 95lb Valve Train Stock k20z3 Cams stock valves Supercharger: Whipple 2.3L W140ax Twin Screw 3.375 pulley Mercracing 74mm Inlet Vittuned BBG Transmission: QCP.Gear built 5spd race transmission Albins helical 1-4 gear set Albins 4.77 FD OEM Accord .647 5th gear Quaife LSD Clutch Masters FX725 Twin Disc 14lb fly wheel, one fiber tuff disc and one ceramic disc Supporting Mods: Go Power 4-2-1 Ceramic Coated Custom Header Go Power 3" Exhaust, Quiet Version Mercracing custom JRSC Aftercooled Manifold Mercracing Heat Exchanger Mishimoto Slim Line Fans Mishimoto T-Stat AFI 1200's with Fuel Return Skunk2 72mm Throttle Body 4" IMW Spec intake BPI Velocity Stack K&N filter Mercracing tensioner Suspension: REDSHIFT "Series 3" COILOVER KITS 440F/550R SPC v2 Camber arms Progress 22mm Rear Sway Bar Varrstoen ES3's 18X8.5+35 Continental DW's 245/35/18