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...
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...
Fuel Supply and Demand
Imagine screaming down the front straight at your favorite track, when suddenly your engine begins to bog and sputter. You look over at the...
Reducing Engine Friction
Here are a couple of statistics that will blow your mind. Up to Eighty percent of the friction in a reciprocating piston engine stems...
Straightened Six – Refreshing a cylinder head on a Spec E30
When it comes to affordability, Spec E30 offers some of the most cost-efficient racing on track today, especially if you can do a lot...
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...
Invisible Edge-Millers Oils’ nanotechnology releases more power by reducing friction and heat
Nanotechnology has become a field unto itself over the last couple of decades, so it likely was only a matter of time before it...
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...
HPDE46: Cooling System Refresh
The telltale stains on the driveway told me something was amiss, and it became clear it was coming from the lower radiator hose, or...
Leaning the Mixture – Installing an adjustable fuel pressure regulator and an air-fuel ratio...
Horsepower doesn’t come cheaply or easily in Spec Miata. Sometimes it doesn’t come at all. First, the engines are tiny, measuring either 1.6 or...