Over the years, the trucks have certainly become more sophisticated. Take transmissions for example. At one time the only choices were "three-on-the-tree" or "four-on-the-floor" manual boxes. When ...

It's interesting to take an occasional look back at our hobby to consider all the changes that have taken place. Street rods have certainly evolved, and it's probably safe to say the quality of the ...

In ye olden days of auto manufacturing, three-speed automatics were fairly common. Top gear was usually direct drive, meaning the transmission's input shaft (which is directly connected to the engine) ...

Who knows what Chevrolet was thinking in 1953 when they introduced its new Corvette with the only transmission available being a cast iron 2-speed automatic famous for sluggish shifts? If equipped ...

It's been said that the only reason transmissions exist is because engines aren't good enough. A typical V-8 can rev up to about 6,000 rpm. If you didn't have a transmission, you'd need an engine that ...

Direct drive or overdrive? That’s a years-old question among truck operators concerned with spec’ing transmissions: Should top gear be a direct 1 to 1 ratio, where the output shaft spins at the same ...

“For overdrive transmissions, common axle ratios were in the mid and low 3s,” he says. “Today, with a lot of these linehaul downspeeding specs, it starts with a 2.” Nearly 25 percent of the rear ends ...

Virtually, almost all passenger cars in Kampala are automatic transmissions and they all come with that Overdrive button on the gearshift. So what does it do? First off, when you press this button, ...