According to testing and calculations, the 3.900-inch stroker crank is the most practical ... for the added length of the crankshaft arm. Engine builders don’t like short rods because a higher ...

Such “crank-trigger” systems ... by altering the position of the pickup arm to advance or retard the spark. That is typically done with the engine off rather than the conventional method ...

In any motorsport, the more you know about how the engine is performing ... but it’s an interesting concept for sure. The stock crank arms are carefully fitted with two pairs of tiny strain ...

It was also known to break arms and, in some cases ... When Carter tried to start the vehicle, the engine backfired, causing the crank handle to strike and break his jaw. He subsequently caught ...

Of course, that engine could kick back tremendously, breaking a thumb or a wrist, depending on how you held the hand crank. Pro tip: Use your left arm to reduce that chance, as we outlined in our ...