We put the brand-new F70 M135i on the dyno to see if BMW’s claimed power figures hold up. With xDrive, a 2.0L turbo engine, and factory numbers around 296 hp, we’re here to find out what it actually ...

After the dyno baseline tests a cylinder leakdown ... Since this is a California Jeep that must pass an emissions test, we picked a cam kit designed especially for fuel-injected 4.2L and 4.0L ...

We have been beefing up our ’01 WJ Grand Cherokee Laredo in the pages of Jp by adding suspension lift and bigger tires, a winch and bumper, and swapping T-cases and driveshafts. Despite all of ...

and even a couple of Jeep Cherokees. We recall seeing a quad as well, but their latest choice for a dyno test is quite hilarious. And no, it’s not even a real car, it’s just a Barbie Power ...

Stellantis is running out of vehicles they can stick the glorious 6.2-liter supercharged Hellcat V8 in after making room for it under the hoods of the Jeep Grand ... showing a dyno test of the ...

As with any dyno test, there are many outside factors that can affect the results you get, and no two dynos are the same. However, let's presume that this test was done correctly and that the ...

A2Speed was able to get their hands on one for a dyno test to see if those quoted power figures were legitimate. The car was tested on pump gas, but A2Speed says that a race fuel test will be ...

The test venue for our '15 SRT Hellcat Challenger was the Dynojet chassis dyno at Kenne Bell Performance in Rancho Cucamonga, California. See All 12 Photos The Hellcat Hemi officially makes 707 hp ...

Another turbocharged BMW M performance car has hit the road, and you know what that means: another chance for a dyno test to show that BMW's official numbers significantly understate the level of ...

Order Codes Confirm That Diesel 2019 Jeep Wrangler Is Coming Donate To Charity ... Good thing, Extreme Terrain did its own dyno test of the two Wrangler choices to see which one produced more ...