Originally Posted by bubbapet
Just looking to improve the performance of the jeep...
There are no quick performance upgrades that work. They just claim so, snake oil, and lighten your wallet.
If you must have more power then you need a turbo, V8, or some other very costly upgrade. Also dumping something with a lot more H p and Torque requires upgrading all the other driveline components since they were designed for the current power plant.