Oilstainlab HF-11 revealed as Porsche-inspired supercar with swappable powertrain

California’s Oilstainlab has revealed the HF-11 supercar with swappable gas and electric powertrains Performance targets include a 650- to 850-hp power range and a 2,000-pound curb weight Pricing starts at $1.85 million California’s Oilstainlab made a name for itself in recent years with a wild Porsche 911-based project car known as the Half-11…