The 1958 W-Series big-block V-8 really was a monster, with a dry weight of nearly 700 pounds. The engine block was made of cast iron, had a bore center of 4.84 inches, and featured a "side oiling ...

will get the improvements as part of its Block 4 upgrade. The AETP program had paid General Electric and a Pratt-led team to develop engine concepts that could compete to become the next F-35 engine.

But nitro is an oxygen-rich compound that requires less air to burn, so the engine can consume more of it, thereby producing greater power. The 58 nozzles in the intake tract are always open ...