Tenneco Adds More Than 250 Parts To Walker Emissions Control Line – UnderhoodService

Tenneco Adds More Than 250 Parts To Walker Emissions Control Line

Tenneco continues to expand its Walker emissions control line, with nearly 270 new catalytic converter, muffler and exhaust assembly part numbers now available for popular domestic and import models. The new parts include Walker Ultra EPA-compliant converters, Walker CalCat CARB-compliant converters and premium Quiet-Flow SS stainless steel mufflers and assemblies.

Tenneco continues to expand its Walker emissions control line, with nearly 270 new catalytic converter, muffler and exhaust assembly part numbers now available for popular domestic and import models. The new parts include Walker Ultra EPA-compliant converters, Walker CalCat CARB-compliant converters and premium Quiet-Flow SS stainless steel mufflers and assemblies.

“Distributors and service providers rely on the Walker brand for high-quality products, easy installation and exceptional late-model coverage. Our continuous launch of new parts helps our channel partners maximize their competitive advantage by being able to provide the components other manufacturers can’t,” said Walker Marketing Coordinator Denise Hanefeld.

Among the new parts are several Walker Ultra manifold converters, which, like the original equipment parts for many OBD II (1996 and newer) vehicles, are designed to be installed directly onto the engine cylinder head. Ultra direct-fit converters feature OE-style pipe routing, flanges, hangers and enhanced heat shields, providing a perfect fit for quick and easy installation and trouble-free performance.

Walker CalCat converters, engineered to meet CARB requirements, are available for sale in all 50 states and Canada.

To learn more about Walker emissions control products and the latest Walker components for today’s vehicles, contact your Walker supplier or use the brand’s comprehensive, user-friendly electronic catalog at www.walkerexhaust.com.   

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Ignition Coil Output

To see inductance inside the primary windings, use an amp probe placed around the positive wire for the ignition coil.

Kilovolts or kV is the unit used to measure the output of an ignition coil. Some coils can output 20kV to 40 kV. So, how does an ignition coil turn system or battery voltage into these huge voltages? The answer is inductance. 

The ECM provides the voltage to the primary coil winding. The primary winding might have 100 turns around the coil’s core or plates. When the voltage to the coil is turned off, a magnetic field collapses. The collapsing field will generate more than 100 volts thanks to inductance. The energy is transformed by the windings in the secondary with inductance again, but thanks to the 10,000 windings, the voltage is boosted to 40kV at the spark plug’s electrodes. The best way to see inductance inside the primary windings is to use an amp probe placed around the positive wire for the ignition coil. With this setup, you can see the current ramping in the coil and the collapse of the magnetic field. 

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