Yup. I was lugging the engine. Now i make sure im above 5k if i want big power on tap. No more rattle.
You have to understand i came from an engine with a stroke in excess of 3" and 8.5:1 compression... was like having a scooter
with a caterpillar diesel. And im still getting used to leaning way down low without dragging floorboards.
Fat chicks at Wal-Mart: NOT RECOMMENDED