Another feature that will be affected on manual transmission vehicles only is the Progressive Braking Feature. The engines ECM has a Progressive Braking Feature, which means that when you have your vehicle cruise control on and you come to a hill and overshoot your cruise set speed, the Pacbrake exhaust brake will automatically apply and slow the vehicle to your preset cruise set speed.
When bypassing the ECM on manual transmission vehicles of all model years and automatic vehicles, cruise control relay must be installed; this means when the Pacbrake is switched on, the cruise goes into coast mode.
Quantity: 0. Cummins Main Menu - Ram Cummins 6. Search Cart 0. The patented PRXB design delivers the strongest braking horsepower, greatest speed reductions and shortest stopping distances possible without the use of service brakes.
It maintains optimum retarding performance by maximizing the exhaust backpressure throughout the entire RPM range. They have the ability to be left on all the time, making it ideal for in-city driving or for steep, downhill grades. This product pays for itself as less wear on the brake pads means fewer brake jobs. In order to have consistent and effective braking over the entire RPM range, it is important and necessary to maintain constant backpressure.
To achieve this, Pacbrake's patented design has incorporated an additional waste gate on the butterfly valve to regulate the amount of exhaust flow that is being passed through. The flow is controlled by a spring-loaded arm, whose pressure rating and location are key factors in the functionality of the PRXB. Located outside of the housing and away from the heat, the spring is able to maintain its strength and durability for years of proper and precise braking performance. Both vehicles start descending at the same time while traveling at a speed of 45 MPH.
Search Cart 0. Will This Fit Your Rig? Add To Cart Wish List. Description Diesel engines, unlike gasoline engines, don't slow down simply by taking your foot off the accelerator; they rely on service and supplemental brakes. Description Blog Posts. An exhaust brake is a form of a supplemental brake, and they work much differently than their conventional counterparts.
The patented PRXB design delivers the strongest braking horsepower, greatest speed reductions and shortest stopping distances possible without the use of service brakes. It maintains optimum retarding performance by maximizing the exhaust backpressure throughout the entire RPM range. They have the ability to be left on all the time, making it ideal for in-city driving or for steep, downhill grades.
This product pays for itself as less wear on the brake pads means fewer brake jobs.
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