By the year 2000, many automotive industry followers predict at least 50 percent of all automotive air intake manifolds will be made of nylon materials. As nylon air intake manifolds continue to grow in automotive applications, trends in assembly techniques and systems integration will affect material performance requirements and final material selection. The trend toward higher engine temperatures will have a profound impact on the performance requirements for air intake manifolds. Keeping these trends in mind, this paper will examine several nylon materials in relation to present and future performance requirements for air intake manifolds.
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