Dieseltrans.com

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Where to begin. I guess the best place to start is here, the use of exhaust brakes with automatics is going to cause wear on your torque converter and transmission.

The question is how much wear is it going to cause? The answer to this question depends on the driver, the brake, and how often and when he uses it.

Forcing the tc clutch to stay locked up during de-excelleration for the exhaust brake to work is a must, without forcing the lock-up clutch to stayengaged the exhaust brake on the automatic is pretty much in-effective.

As DTT is a torque converter and transmission based company interested in the longevity of our products we must also acknowledge the potential harm products like the exhaust brake, mystery switch and various lockup devices can cause.

We also acknowledge there is a safety need for exhaust brakes during towing. Our challenge was how to balance the two.

The torque converter has one advantage in its favor, its called centrifugal force, however the Dodge ram owners do not appear to be taking advantage of this force. What I mean is this, the higher the rpms the greater the centrifugal force within the torque converter. In other words using your exhaust brake in the higher rpm range, is going to cause less damage to your transmission and torque converter than in the lower rpm range.

The ideal situation from a transmission and tc point of view is using your exhaust brake from between
1500rpms and 2500rpms. Most of you have probably felt tc shudder when your tc is locked up below 1500rpms when cruising or accelerating , this can be harmful to your tc.

If cruising at 1500rpms can be harmful, de-excellerating below 1500rpms can also be harmful.

Keeping your tc clutch engaged during hard excelleration or during heavy towing can also be harmful.

As we could not find any safe solution on the market to assist in your quest for transmission and Torque Converter longevity. We've designed our own PROTECTOR called the SMART CONTROLLER.

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Bill Kondolay