2015 WRX vs STI: Who wins the dyno battle?

There's no finer fight than a good, old-fashioned sibling rivalry. That's exactly what Subaru has brewed up between the 2015 WRX and STI. With it's all-new direct-injection turbo 2.0-liter four, the WRX boasts a far more sophisticated heart compared to the STI's old 2.5-liter lump.

But which is the brawnier brother? We… » 2/24/14 7:38pm 2/24/14 7:38pm

The Smoking Tire Project Fiesta ST Gets COBB Stage 1

After we filmed the somewhat controversial Ford Fiesta ST vs. BMW E46 M3 video a month or so back, we as a group were so smitten with the Fiesta ST's ludicrous value for money proposition that our cameraman and resident mad scientist Thaddeus Brown went straight to the dealership and traded in his 2006 Mini Cooper S… » 1/31/14 12:57pm 1/31/14 12:57pm

How to build your own dyno for just $2,000

A dynamometer, or "dyno" as they're called by you and I, is a device for measuring force, moment of force (torque), or power. In the automotive world, they're used to precisely calculate the power produced by a vehicle's engine at the wheels. A stand-alone dyno setup can cost more than $50,000. Here's how some guys… » 6/02/11 12:00pm 6/02/11 12:00pm

Mosler MT900 Red Devil Dynos At 1635 HP, Says, "I Don't Need No LS9"

1,635 HP sounds like an awful lot, but when it comes to the Mosler MT900S Red Devil, it's not even the whole story. Its owner, Mike Vietro, called off the dyno run at a measly 5,600 RPM with power still climbing 70 HP every 100 RPM. Corvette Mike estimates he could have seen as much as 1,800 HP had he let the test… » 7/18/08 5:15pm 7/18/08 5:15pm