The GMC 426 inline-six debuted in 1939 with 340 lb-ft of torque at 800 RPM, pioneering PCV technology for heavy-duty trucks.
General Motors, the owner of GMC, has made all sorts of impressive powertrains over the years. Muscle cars with V8s are sprinkled all throughout its history, as are powerful pickup trucks, sporty ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results