Grant Parker from GP Turbos has owned his VW Golf GTI Mk1 for decades. Over that time he’s transformed the car into an AWD monster. Under the hood sits a turbocharged 2.3 L 20v inline-five with forged internals, upgraded camshafts, and their GTX 40/42 billet turbocharger. VeeDubRacing reports the engine is making 800 horsepower but is capable of 1000 horsepower. All that power is sent to all four wheels through a Quattro drivetrain with a shortened wheelbase but factory track. Grant recently took the Golf to Santa Pod Raceway for Doorslammers and went 10.65 sec at 128 mph.
Source: GP Turbos FB page and VeeDubRacing