The Chevrolet Corvette C6 ZR1 is a aerial achievement adaptation of the Chevrolet Corvette C6. Both the C3 from 1969–1971 and C4 Corvettes from 1990-1995 had ZR-1 models. However, the C6 alternative is clearly labeled as the "ZR1" while antecedent variants had a abutment amid the ZR and 1, as in "ZR-1".
The Corvette ZR1 agent is a heavily adapted adaptation of the LS3, appointed the LS9. Producing 638 hp (476 kW; 647 PS) and 604 ft·lbf (819 N·m) of torque, it is the best able assembly Corvette to date. The LS9 has a sixth-generation Eaton TVS R2300 roots 4-lobe supercharger with intercoolers from Behr, utilizing an air-to-water, dual-brick design. The supercharger's four-lobe architecture offers bigger ability over three-lobe models. To abstain changes to the awning appearance, the supercharger's achievement was breach into two halves. Anniversary butt coffer has an intercooler.
The butt walls of the LS3 are thicker than the Z06's LS7 back the LS3 has a abate bore. Oil squirters beneath anniversary agent advice air-conditioned the pistons and butt walls are acclimated for the aboriginal time in a assembly Corvette. Connecting rods and the basin valve are fabricated of titanium. Heads are fabricated from a appropriate calefaction aggressive aluminum alloy. The camshaft lift was bargain from the LS7's to advance abandoned quality. With the accession of the supercharger to the 6.2 liter LS9, the college lift camshaft was no best all-important to accomplish application targets.
Lubrication is provided by an bigger adaptation of the LS7's dry sump system. The fresh arrangement increases oil accommodation from 8.0 to 10.5 quarts (9.94 liters). A fresh bifold gerotor oil pump increases cruise achievement and oil pressure, enabling oil to be delivered beneath the best acute conditions. Due to the added pressure, the Ultraguard Gold UPF48R oil clarify is required. The LS7 oilpan is acclimated for the LS9 with the accession of an oil acknowledgment which is army on the larboard ancillary of the pan.
With the 2011 model, GM offers the alternative "Corvette Agent Build Experience," area the chump visits the General Motors’ Achievement Build Center to advice accumulate the LS9 for the ZR1 purchased. Factory technicians administer the action and the accustomed assurance covers the agent congenital by the customer's hands.
