www.roadtesttv.com A RENNtech modified SLR McLaren breaks its own World Record of 10.43 @ 133 with a 10.29 @ 134. This consistent and bad Benz backs up the World Record 10.29 @ 134 with another 10.29 @ 134. Three videos in all including a GoPro quarter mile ride from inside the SLR. The SLR sports a hand-built 5.4 L (331.9 cu in), supercharged, all-aluminium, SOHC V8 engine with three valves per cylinder. When stock, the Lysholm-type twin-screw supercharger produces approximately 0.9 bar (13 psi) of boost and generates 617 horsepower (460 kW; 626 PS) @6500 rpm. This RENNtech modified SLR makes approximately 770 horsepower and is equipped with a RENNtech, modified supercharger pulley for more boost as well as a tuned ECU. In addition, this SLR has RENNtech Hi Flo exhaust, modified heat exchanger as well as higher volume intercooler pump and Hoosier Drag Radials.
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