Tag Archives: Jeep Grand Cherokee SRT8

Jeep Grand Cherokee SRT8 & Dodge Challenger SRT8 by O.CT Tuning

By : Kevin | 18 Jun 2014 6:00 pm | Cars, Dodge, Jeep

O.CT Tuning has been developing several upgrades for the SRT8 versions of the Jeep Grand Cherokee and Dodge Challenger, which were incredible rides to begin with. The V8 6.4-liter HEMI engine delivers 477 PS (350 kW) and 637 Nm (470 lb-ft) in its standard configuration, but the tuner decided to add a custom compressor kit and a charge air cooler system along with a software optimization. This means that the V8 now develops  564 PS (415 kW) and 735 Nm (542…