Tuning

Texan firm Hennessey has revealed a range of tuning packages for McLaren's track weapon

German tuner Manhart has increased the power of the Urus while decreasing its already low levels of subtlety

John Hennessey has ruled out a V8 swap for the GT because there simply isn't space in the V6-powered supercar

With one hell of a spec list hiding under a relatively standard exterior, this car comes close to Mk2 VW Golf perfection

Mass air flow and speed density are the two most common means of measuring how much air is being sucked into an engine, but what’s the difference?

The 'White Snake' Dodge Viper had become a cult hero on the US drag strip circuit, regularly pulling 190mph-plus half-miles, but this snake just bit itself

When it comes to building a car into something else, anything is possible with the right attitude, tools and determination – as this RSX with two V8s shows

Wheel offset is an important thing to consider, but what does it mean, and how do you measure it?

The 2003 Subaru Impreza WRX STI you see here has a whole host of modifications, raising the power output and the rage considerably

An iPad in the centre console, carbon bodywork and 12-inch-wide tyres have helped create an RB26-powered monster

This Cinquecento is powered by a high-revving inline-four from the Kawasaki Ninja ZX-14R

Hennessey's HPE1000 Redeye pack gives the car's HEMI V8 a hefty 1021bhp output

This unusual E36 time attack car uses an M4's DCT 'box, and the reason is actually quite sensible

The dyno run video of David Mazzei's incredible RX-7 includes flames and Mazda 787B-like noises