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...
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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,...

Connecting Rod Physics

Certainly one of the most critical components inside an engine is one of the most stressed. Connecting rods take the power from the combustion...

Understanding Performance Fittings – Straight and AN Threads vs. Tapered Thread

If you are confused by the nomenclature of hoses and fittings associated with racecar plumbing, you’re not alone. Fittings are often measured in terms...

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