If you’re ever going to rebuild one of these great engines, you will have plenty of horsepower and torque available, and will truly enjoy driving with one of these classics under the hood. For those who may be too young to remember the 1980s and 1990s, a company called King made cruise control pedals for trucks with mechanical engines back then. That’s another great engine, and one that will also produce great power when properly set up and driven correctly! Cranked-up mechanical engines will render long engine life when properly driven, but they must be DRIVEN (not just ran on cruise control). Some are still running over-the-road, too, along with the 425-B and C mechanical Caterpillar engines. Now, why are we talking about an antique engine, you may ask? Because many people are re-doing older trucks – some as toy trucks, but many are running them every day doing local work. When he called her on the CB radio asking why she wasn’t behind him her answer was, “I can’t keep up – I have the Coupe De Ville Caddy to the floor!” One last story about high-performance Big Cams comes from my good friend Dwain Pyeatt, who said that with his high performance Big Cam he was able to run from New Jersey to California and never drop more than half a gear with a 13-speed in a 359 Pete at 80,000 pounds. Driving a rig equipped with one of our high performance NTC 475 twin-turbo engines producing about 800 hp, he was on Snowshoe Mountain and pulled away from his rear escort. Several of our clients pull heavy equipment and one of them told me he would judge how much torque he was using by how far the hood would separate from the cowling of his A-model Kenworth! Another owner operator once told us a story about traveling west on I-80 in Pennsylvania with a heavy, wide, escort load. If you never had the pleasure of driving a truck equipped with one of our performance Big Cam Cummins NTC-855 engines, you have been missing out.
In fact, one day while sitting at my desk, I counted 42 items we brought to market for the Big Cam, then I stopped counting.
We have designed parts, systems, timing codes, horsepower settings, piston coatings, and the list continues. Many of you know that we at Pittsburgh Power have been working on improvements for the Big Cam Cummins engine for 40 years.
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