SmokeyXRT, you never mentioned opening the motor. Pettit racing does some amazing work, but it also comes with the price. When I was running my shop, Pettit had a 3 month backlog on customer work. If you plan to drop it off, expect the car to sit for a while till they can get to it, and at the same time, they were not much for on time promised delivery. Do not get me wrong they know their stuff, just a little slow, and a little on the high side.

Port work in your engine will do a lot as far as power is concerned, also in a boosted application the power is always there. But reliability becomes the factor when the boost just is not enough. Most shops do not want to deal with a 500hp rotary, because there are too many variables that start to show up at that power range. Pettits supercharger kit might get you a few more ponies, but the cost per hp may not be to your liking. I prefer turbo setups over superchargers due to the fact that you can get a kit, and when your ready, only swap a few components for more power later on, whereas with the supercharger, you have limited options, and going to a larger supercharger usually means a whole new kit, rather than just swapping out the S/C. Yes you can swap a pulley, but you are still not going to be able to push the boost of the turbo in the long run.

$10,000 will go quick when you try to get above the 300hp mark. One of the things I try to tell the guys that I deal with is to look at everything in the car, will your car support a 3, 4 or 500hp rotary as it sits, and are you willing to spend the money to make the car accept it? Things like brakes, tires, suspension all come into play when you start making power.

I have had kids roll up to my shop with a 87 FC, on stock rims, federal tires, and a 120k mi motor and ask me what it would cost them to get the car to run the 1/4 mile in less than 13 seconds... When I start laying out the cost for the motor, turbo, new tranny, rear diff, suspension, tires, and fuel system, they look at me like I am smoking crack, and they tell me they bought this car on Ebay for $500 and are not looking to spend nearly $12,000 on doing all that.

Now you seem more willing to spend the money, and by all means, please do. Just make sure you put the money in all the right places when you do spend it.