Truck Tech Expert Advice: Page 2

Performance can be a broad term when talking about cars and trucks. It’s often used when evaluating different categories like top speed, acceleration, fuel economy, ride, handling, and so on. And let’s not forget about high performance, the heavy-duty stuff that performs better than the rest. More often than not, folks labeling the performance of

Aisin vs. 68RFE QUESTION: I’ve been thinking about buying a single-rear-wheel ’12 Ram 3500 with the high-output 6.7L Cummins engine, and I’m wondering if it comes with the Aisin six-speed automatic transmission. Also, what’s the difference between the Aisin and the regular six-speed transmission? Willy Sandborn via email ANSWER: No, the ’12 Ram 3500s were

Engines, transmissions, differentials, and drive axle(s) are universal components common to pretty much all mass-produced internal-combustion automobiles, but an assortment of powertrain configurations has long been part of automotive design. The engine produces the mechanical power. The transmission uses variable gearing of different ratios to make the power usable at the street, under a wide

Low Fuel Pressure QUESTION: I purchased a ’15 Ford F-350 dualie with 37,000 miles on it. In the service log, the previous owner recorded a low-fuel-pressure issue around 15,000 miles, which the dealership fixed by replacing the stock transfer pump. The problem reoccurred at 43,000 miles. Under hard acceleration, the low-fuel-pressure warning appears on the

Top Tech: Q&A from diesel truck owners.

Top Tech: Q&A from diesel truck owners.

Top Tech: Q&A from diesel truck owners.