In the last year, we have seen Mazda’s SKYACTIV technology make its way into various vehicles in an effort to increase fuel efficiency without reinventing the wheel. These technologies include advanced weight reduction, reduced friction, forced induction, and ultra-high compression ratings. All of these advancements combine to boost the fuel economy ratings of Mazda’s street cars.
Now Mazda is ready to take SKYACTIV to the next level, and introduce it into racing, via the Grand-Am Road Racing Series. The first engine that Mazda will offer to race teams is the 2.2-liter SKYACTIV-D engine, which is an ultra-high-efficiency diesel engine. Now, before you start wondering how Mazda expects this engine to be competitive in the Grand-Am series, keep in mind that this engine will only be raced in the GX class, which is a class dedicated to alternative fuels and highly fuel efficient vehicles.
The SKYACTIV-D that is currently being developed will boast a 14-to-1 compression ratio, a two-stage turbocharger and a 5,200 rpm redline. In comparison to the current Mazda 2 .2-liter diesel engine, the SKYACTIV-D is 10 percent lighter, has 20 percent less internal friction, and gets 20 percent better fuel economy.
The production numbers are not out yet for this racing engine, but we do know that the production SKYACTIV 2.2-liter diesel produces 173 horsepower at 4,500 rpm and an impressive 310 pound-feet of torque at just 2,000 rpm. We will update you with the official base numbers once Mazda completes the dyno phase of its testing.
Click past the jump to read the full press release.