Twin Turbo LS1
1999 Pontiac Firebird Trans Am WS-6
Owner: Charlie Givilancz
Modifications:
|
Components |
Current modifications |
| Body: Click for Pictures of Body | Stock Black WS-6 |
| Engine: Click for Pictures of Engine Bay | Low Compression motor 8.9:1, GM LQ4 Truck Iron Block 4.02" bore, Lunati Pro series crankshaft, Patriot Heads, Clevite H Series Race Bearings, Custom Forged Diamond Boost Pistons, Forged I Beam Connecting Rods, Childs and Albert Ring Set Plasma Moly, RC 75lb high impedance flow matched fuel injectors with a base fuel pressure of 66psi |
| Forced Induction System: Speed Inc. built Twin Turbo system | Twin Turbo: Part No=PT-67 Max. Rated HP=780 Compressor Wheel Dia.=66.548mm, 84.074mm Compressor Wheel Trim=63 Compressor A/R Ratio=? Bearing System=360 Race Turbine Wheel Dia.=81.28mm Turbine Wheel Trim=85 Turbine A/R Ratio=.85 Electronic Boost Controller: Innovative Turbo Boost Controller Exhaust Manifolds: LQ4 Truck manifolds (reversed) dual 3" downpipes Y'd into a single 4" Magnaflow muffler Intake Manifold: LS6 Intake Wastegates: Tial 38mm Blowoff Valve: Tial 50mm |
| Fuel System: | CAS Aluminum fuel tank, Dual Walbro fuel pumps with hobbs switch on WOT |
| Drive Train: | Transmission: Custom Turbo 400 with Trans Brake
Rear End: Strange 12 bolt with 3.40 gears. |
| Engine management: | Stock 99GM PCM programmed via HP Tuners Pro Editor with 3 bar sensor custom tunes by Jim Moran of Speed Inc |
| Tires: | Mickey Thompson ET streets 28x11.5x15 |
| Chassis: | At 16PSI of boost made 826RWHP at 18.5PSI made 882RWHP. No higher levels possible without larger injectors. Engine was pulled to 7,350 RPM max. |
