Jaguar’s gorgeous F-type R is already a cracking good sports car, one that’s factory-rated at_550 snarling horses from its_supercharged 5.0-liter V-8. As is typical for_Hennessey Performance, though, that wasn’t enough. They’ve turned the wick up_with the HPE600 F-type R,_to the tune of 623 horses at the crank. Watch and listen as this cat blasts through […]