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Unless that crank have a lesser torque than the usual 40-50nm it's very hard to go over that with decent sized tools unless you have baboon arms. Probably won't go anywhere close with home mechanic tools.
I have fitted loads with or without and it always comes to pull as hard as it goes without doing silly stuff like using breaker bars, never managed to break one.
I think it was on this video
and in the comments there is an obsession about 'the right torque'. (He is fitting a carbon crank, even though that isn't in the title).