Join Date: Jan 2009
Location: Not necessarily Humbolt County
I have an HHR SS (same engine) and I wouldn't dream of racing it with my truck with any tune. 290hp in 3200lbs is tough to beat even with 400hp in 6-7k lbs. And if they did additional tuning, it just gets worse.
2005 Chevy Silverado 3500LT SRW D/A CC/LB LLY 4x4 (loaded)
LBZ MP, TxCAI, PS Cooler, stack seal, Edge Insight CTS + EGT + EOT, E837 HD Radiator + Aux Radiator w/fan, Earl's trans cooler, mass/IAT shield, LML manifold, SD rotors
NuWa Hitchhiker II LS 29.5LKTG 5th Wheel