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CU631 Crankshaft Pulley - Underdrive

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Brand:Unorthodox Racing Part Number:CU631 Category:Engine Crankshaft Pulley Medium Description: Short Description: SKU: Availability: Manufactured in:

Price: $195.00

Unorthodox Racing

Unorthodox Racing® was founded by an enthusiast who had spent a decade wrenching on American muscle cars. He worked with many products, some as simple as spark plugs to as complex as super/turbocharger systems. By the early 1990’s it was clear a new era was dawning with smaller displacement higher performance engines being offered. He slowly began developing what would become Unorthodox Racing® MAXX Power pulleys. The first pulley was for his personal 1988 T-Bird Turbo Coupe with the 2.3L SOHC 16V Turbo engine. His father in law was a class A machinist, trained in Germany before he came to the US. The two designed then machined a crankshaft pulley for the T-Bird. The pulley performed flawlessly, the seat of the pants improvement told him he was onto something. Over the next few years more pulleys were made and tested. Another was made for a 1992 Civic Hatch (EH2) the founder bought for commuting to graduate school. The new pulley made the little 1.5L SOHC 16V feel like a whole new engine, especially when the VTEC kicked in. He knew some underdrive pulleys for the V8's he worked on caused charging, cooling or other accessory issues. So the amount/percentage of underdrive would have to be tailored to each car/engine. Every new pulley was put through rigorous testing (the alternator, a/c, air pump, power steering and water pump) to assure the accessories functioned at factory specified output levels. It was during this testing that he realized the most important fact about making power with pulleys. Smaller displacement engines saw bigger performance gains from weight reduction than underdrive. This is why Unorthodox Racing® MAXX Power pulleys are designed to achieve the greatest possible weight reduction. With this important engineering and test data UR was registered as a Sole Proprietorship in 1996. Market research showed the demand for small displacement performance parts was growing. A final business plan and Mission Statement were created. At the heart of this.