Tech: Superchargers, Turbochargers, & Induction

Adding Boost? Compression, cams, and installation headaches.

By Fergus Ogilvy: The two most common uncertainties about the prospects of supercharging are fitment and engine tune. Will the supercharger fit under the hood and will it operate with all its accessories: alternator, power steering pump, and air conditioning compressor? The second relates to tuning in general and...

To intercool or not to intercool?

But first an amusing brief story involving a BBC, an intercooler, and Freon. By Sam Logan “I’m no authority on intercoolers,” admits performance carburetor specialist Dale Cubic of CFM, “but I do recall a memorable moment five years ago that involved one. Nothing too scientific,” he added; nonetheless, it...

The anatomy of the supercharger or what makes it tick

By Titus Bloom: Superchargers are magical devices. They increase the oxygen supply to the engine by compressing the air, thus increasing its density. Accordingly, the engine burns more air-fuel mixture and produces more power. In a centrifugal supercharger, the air is propelled through the compressor wheel and compressed in the...
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