GMC's huge Twin Six V12 gas engine was made to take on its diesel counterparts, powering fire trucks and farm machines, but ...

The 90-degree V8 was also the first engine to feature direct fuel injection ... With that, the Challenger SRT Demon could dash to 60 mph in an insanely fast 2.3 seconds and clear the quarter ...

While Volvo has offered a Yamaha-sourced 60-degree 4.4-liter V8 in the past, mounted transversely in both its SUV and sedans, it will likely need a 90-degree V8 for racing.