Originally Posted by Däs Schmoo
The max I would go on sleeves for a 81mm stock bore is 84mm. 85mm doesn't leave any room for error and won't allow you to bore any further if you have to rebore for some reason.
I hope you don't mean on stock sleeves. If you want to go past 81.5 or 82 I'd get new sleeves. If we're talking aftermarket, I've seen people run 86-87mm bores.
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