If the 83lb injectors will be right with the blower on it, then it will still have to idle and low speed cruise with them. Yes, they are way to big for it as an NA setup, but they still need to be dialed in and can be for sure.
What I would do is have the fuel pressure set lower (40-ish) and use a boost only referenced fuel pressure regulator to gain pressure as boost climbs.
We run 80-100lb injectors on quite a few cars these days on FI LS engines and they drive and idle quite well. All in the proper injector data, proper fuel pressure and proper tune.
Mike Norris
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