How a rare muscle car utilized Chevrolet's COPO system to bypass factory engine limits, resulting in a factory-built, ...

Why does the Toyota 2JZ engine, last produced in 2005, remain a top choice for enthusiasts looking to swap into modern cars?

Fact:Eric Hsu will be picking his favorite tech question for each installment of Question IT over the next few months, and we’ll be hooking up whoever submitted it with some new threads from our ...

Thankfully, some folks just can't leave well enough alone. We think you'll agree that in the quest for vehicular nonconformity-at least, at the present time-and ultimate utility, the diesel engine ...

Engine maker Rolls-Royce announced it has completed altitude and operability testing on the F130 engines for the B-52 Stratofortress.

Yesterday, this Ferrari F355 V8 engine and accompanying six-speed manual gearbox came up for sale, so we asked you which cars would be best for a swap. These are the responses we saw the most. The 4C ...

With the goal to convert its entire fleet of more than 100 vehicles to operate on natural gas, Virginia-based TFC Recycling has placed an initial order for diesel-to-natural gas engine conversion kits ...

GM's LS engine has been swapped into all sorts of cars. Now some enthusiasts are swapping them into airplanes, though with plenty of modifications.

A dual-fuel conversion system can offer some of the fuel- and emissions-saving benefits of a natural gas engine without going out and buying a brand-new truck. Recent changes in Environmental ...