Last weekend I took out my 84 litre JP freeride for the first real go, I've owned it for a year but never had the guts to try it before. My 85 kilos sink it pretty quickly so the wind had to be up, and since I was repairing my 105 litre board it was either take the sinker or not go out at all...
I couldn't believe it, I busted out 5 dry gybes first up, no questions asked, no worries!! I'm normally struggling to do this on my 105 litre board, and this was on a 100% sinker! If anyone was at Shearwater last Sunday they would have seen my ear-to-ear grin

However when slogging, it was a real struggle to keep the thing pointed vaguely downwind, it always wanted to weathercock right into the wind. Is there an easy fix for this? My mast base was at the same position (135 cm) from the back as my other board, nothing else was changed apart from having 20 litres less flotation.
Is this a common problem when going down a board size?
Do you just get used to it, or is there a way to tune that tendency out of the board?