How to Perform an Engine Compression Test
Testing an engine for compression in the cylinders often yields information you might want to have on hand when buying or selling a racecar....
Extreme Plateau Honing: State-of-the-Art Bore Finishing
Research done by Ford Motor Company and the U.S. Department of Energy showed that roughly 45 percent of engine friction comes from the piston-ring-to-cylinder-wall...
Shielding Cold Air Intakes to Maintain Power Levels
If you do a deep dive on the Internet, the rule of thumb for ambient temperatures and horsepower figures on a V8 engine is...
Contemporary, Proven Chassis Gets a Modern Engine Transplant
The idea of transplanting a lighter powerplant into the venerable E46 has been discussed over the years, but it was only relatively recently that...
Preventing Low-Speed Pre-Ignition in Turbocharged, Direct-Injection Engines
Turbocharging and direct injection have ushered in new levels of power and fuel economy from smaller engines, and cars equipped with that technology have...
Setting Engine Timing on a Mazda MZR
One would think the use of a keyway and dowel pins by now has been accepted as the simplest and most reliable way to...
As Complete As Possible: How To Do An MX-5 2.5 Swap
There’s a fair amount of content on the web about swapping a 2.5-liter engine into an NC chassis MX-5, which comes from the factory...
Draining a Spec Miata Fuel Tank to Minimize Weight
Anyone who races a Spec Miata is familiar with the Advanced Autosports adjustable fuel pressure regulator kit. I have had one on my car...
Waking Up The Wagon
This wagon kind of fell into my lap. My wife was out walking our dogs one morning, and this 2012 Audi A4 S Line...
Replacing a Miata Fuel Pump Sock
We all have read time and again that oil is the lifeblood of an engine, but without fuel, the engine doesn’t run, and if...
