Step 2: Engine builder Craig Hibdon is using an adjustable pulley set from CV Products to make sure the belts stay lined up within 0.015 inch.

In a late-model Mustang, the crankshaft pulley drives the serpentine belt, which spins the accessories, such as the power steering, A/C, water pump, and alternator. The objective of an underdrive ...

The Unorthodox crank pulley is only 1 pound 5.2 ounces, compared to the stocker's 6 pounds 3.2 ounces. The Unorthodox alternator pulley is 3.0 ounces, while the stock measured 6.8 ounces.

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Belt pretension (initial tension), Ti, is the tension set by an adjustable idler pulley. Pretension prevents belt slack-side sagging and ensures proper tooth meshing.

Semielastic belts do not require pulley take-up or adjustment, easily work in sets, work well over a wider length tolerance, and are relatively inexpensive in high volume.

A new design and test procedure for characterizing the friction interface between an accessory V-ribbed drive belt and it's mating pulley has been developed. The procedure is a dynamic test, to best ...