|
The problem is the pistons and rods in the 2.4 are relatively weak, so you can't turn up the boost too high without replacing those parts because they will break. 10psi is probably the max you should go if you want a stock 2.4 to last any length of time.
If you port & polish your head and/or add more aggressive cams, and/or add a less restrictive exhaust system and/or intake, then you can increase the horsepower significantly without spending as much as you would tearing down the engine and replacing the pistons/rods and bearings, since all those things help increase airflow. And when you upgrading those items (head, cams, intake & exhaust) when the engine is under boost, the increase in power is more dramatic than if your engine were naturally aspirated...
|