Ford has designed some beastly engines across its history, but one stands out with its stratospherically-high redline.

The cheapest Nissan RB engine is the RB20E. After a significant turbo swap, it was initially limited to revving past 5500RPM.

The era of cheap high-revving engines that once screamed up and down America's highways has largely faded as fuel economy and emissions regulations have forced automakers to rethink how modern cars ...