Add Yahoo as a preferred source to see more of our stories on Google. Mike Schlee shows what it sounds like to cold start the 6.4-liter V8 in the Jeep Wrangler Moab 392. Turn up your speakers.

Putting a massive, chunky V8 into something like an off-road orientated version of the Jeep Wrangler may seem like unnecessary overkill, but it works. Measuring 6.4-liters in displacement, the big V8 ...