You just put your new crate engine together and your adrenaline is pumping. Pump the throttle, turn the key, and… the thing runs like a total dog. It idles fine, but as soon as you step on the ...
For your engine to start, there has to be a perfect timing for every part, especially the engine valves. Depending on the car model, other parts have to move at the same time for the engine to start.