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you should just upgrade to an EX master cylinder. It'll bolt right up to your stock booster, the lines are in the exact same place, and it's a 15/16. Obviously a 1" is better but the 15/16 would suit you perfectly well and you don't have to go through the hassle of swapping boosters. Just my opinion though.
Pedal effort with the 1" MC will be good. ITRs have em, why shouldn't we all?