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Why do you have your heart set on 14.7 PSI? Shooting for a pressure target is the wrong way to go about things. Hell, slap a low efficiency turbo on with no inter cooler and you will hit that pressure target quick. Your charge density will blow, but you will hit the pressure target. You should be looking at what you will be doing with the car, how much power you want to make, and where you want the power band. Then select parts that will get you to your target. After that figure out how much money it will cost, double that number, compare that to how much money you actually have, and keep repeating the cycle until you have a plan you can afford.
There are a lot of factors that go into reliability. Quality of build, quality of tune, aggressiveness of the tune, the weather, altitude, etc. Figuring out how much more you can squeeze in for track days has to be figured out by trial and error. You will have to log your tune, weather conditions, track conditions, tire conditions, time slips, etc. You may even blow up a motor or two before you get it right.
Be careful about going too big on the turbo, too aggressive on the clutch, and too light on the flywheel. These things make a good race car, but a terrible street car. On the track a flywheel that is too light will cause you to bog at the line, and you may find yourself stalling out with a clutch that is too grabby. If you are going to run solid motor mounts you had better be planning on putting in sub frame connectors. All the twist the mounts would absorb will go straight into the chassis. I am not a fan of oiled air filters, especially with forced induction. The turbos will suck the oil off of the filter. They are fine if you have a carb, but I don't believe they belong on a fuel injected car.
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Don't you SAS me boy.
Please wheel responsibly.
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