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How many revolutions does the crankshaft have to make in order for all cylinders fire a four-stroke cycle v8 engine?

Here's how to figure out the crankshaft revolutions for a V8 engine:

* Four-Stroke Cycle: A four-stroke engine completes one cycle (intake, compression, power, exhaust) for each two revolutions of the crankshaft.

* V8 Configuration: A V8 engine has 8 cylinders, each firing once per complete four-stroke cycle.

Calculation:

1. One Cylinder Cycle: Each cylinder fires once every two crankshaft revolutions.

2. V8 Firing: With 8 cylinders, there's a power stroke (firing) every 1/8th of a full crankshaft revolution.

3. Full Cycle: To get all 8 cylinders to fire once, the crankshaft needs to make a full revolution (360 degrees).

Therefore, the crankshaft needs to make one full revolution for all cylinders in a V8 engine to fire once.