The compression ratio isn't just a number: it's one of the greatest determining factors in engine building. Compression ratio determines the type of fuel, how much boost, and has a significant ...

What if-and believe me, this is a hypothetical-you were trying to put a wild, rare, 200-hp naturally aspirated Autech SR20DE from the hottest of the nonturbo S15 Silvias into a first-generation Miata, ...

The real award is that you competed. The golden ratio is famous, but maybe more so as an image of a nautilus shell with a rectangle drawn around it than as the actual idea of the ratio it embodies: “A ...