36#ers are good out to about 550 HP. You'll need a 190lph fuel pump or better to support full flow from them. I'd suggest getting 30# injectors and an adjustable fuel pressure regulator. When you add the suppercharger, all you would have to do is bump the pressure up to about 47psi and they will essentially be 36# injectors.
What parts do you have already and what do you still have yet to buy?
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351W 89 Mustang GT Convertible