Our vehicles are just like us, if they don't have a chance to breathe, they will die... well, not quite, but their performance, fuel economy, and life span will be dramatically shortened. Typically, ...

For Part I, covering the new combustion system, direct injection, and active fuel management: click here. For Part III, covering the block, crankshaft and lubrication systems: click here. Continuing ...

A Note from Jim: The stated objective of this story is to introduce you to some notions that may be of imme-diate help to circle track engines operating under rules that allow non-OEM parts. It is ...

Exhaust systems are designed to survive years of heat, vibration, and road grime, yet some of their most important parts deteriorate so gradually that drivers rarely notice until performance or safety ...

The cause of "white exhaust smoke syndrome" could be as innocuous as water in the exhaust pipes condensing and boiling off or as serious as a cracked head or block. You can narrow down the cause by ...

Truck owners can always benefit from more fuel economy and more power to haul heavy loads. Most associate adding more horsepower with using more fuel, but when it comes to selecting compatible ...

SAE Transactions, Vol. 104, SECTION 6: JOURNAL OF PASSENGER CARS, Part 2 (1995), pp. 2508-2513 (6 pages) Simulation models for exhaust and intake systems are now sufficiently advanced that they offer ...

One of the best aspects of a project build for automotive enthusiasts is the quest for improvements that will add to the vehicle in some way. There are several engine components to replace, add, or ...

It's time to wrap up our Castrol Syntec Top Shop Challenge VQ35DE engine build. The opportunity to work with Cosworth Engineering has given us a lot of insight as to what it takes to design and build ...

Taking care of your vehicle is vital to ensure it stays in great condition. Your brakes could give you trouble someday, or your suspension could require tinkering, inevitably leading you to an auto ...