Understanding Oil Coolers

When engine output rises beyond a certain threshold per liter of displacement, an oil cooler becomes more important, critical even. There is a lot...

HPDE46: Cooling System Upgrade

The telltale stains on the driveway told me something was amiss, and it became clear it was coming from the lower radiator hose, or...

Shining A Light on the Black Art of Motor Oil Selection

Motor oil selection, particularly for performance and racing cars, seems to be a “black art.” Most people rely on manufacturer guidelines, recommendations and past...

Cold-Air Intakes: How and Why They Work

Whether we’re talking about a street car, a racecar or even a tow vehicle, one of the easiest-to-install and most cost-effective performance parts we...

Eight Tricks To Make Working A Cooling System Easier

If you like to play with cars, if you put your car on a racetrack for HPDE and especially if you race cars, you...

How Fuel Pressure Regulators Work

The latent energy content of gasoline is fixed — 124,000 BTU — and the amount of horsepower you can make depends on how much...

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...

Head Gasket Technology – Exploring and Addressing Cylinder Head Lift

The quick-and-dirty description of an engine’s internal combustion process is suck, squeeze, bang, blow. But that’s not entirely accurate. In reality, it’s suck, squeeze,...

HPDE46 – Overcoming Deferred Maintenance on a ZHP E46 to Make It “Trackable”

The idea behind finding a new-to-me car was simple. I wanted a fun daily driver I could take to the track every now and...

Exhaustive Research – When It Comes to Exhaust Outlets, Racecars Adhere to the Rule...

Exhaust tips are a strange thing to take pictures of, you might think. To be honest, I admit that it is kind of strange,...

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