Dyno Test tagged posts

The higher output the better?

Short answer: yes and no.

Full explanation:

For example a manufacturer states the engine puts out 268hp@5600rpm, and 258 lb-ft of torque@2000rpm, it only means: when the engine is revving at 5600rpm, the maximum power it can deliver is 268hp; when the engine is revving at 2000rpm, the maximum torque it will deliver is 258 lb-ft.

But it does not tell you WHEN it can attain such value. Take the above engine for example: 258 lb-ft of torque at 2000rpm – it does not mean every time when you see your tachometer needle points at the 2000rpm mark, the engine is outputting 258 lb-ft of torque.

The first factor is how deep you are pressing the gas pedal (which shows how eagerly yo...

Read More