Join Date: Jun 2005
Location: New Orleans
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Assuming your hull and weight distribution is symmetrical (water tank full/empty could matter), then the asymmetry has to be coming from the rig.
The books you're getting will tell you. But use your halyard to measure to each chain plate, see if the distance is the same laterally. And when sailing, sight up the mast to make sure there isn't a hook or a sag.
Beyond that, it's your sails, I think. Adjust the old ones all you want, but likely that new ones will point higher and go faster. A function not just of shape but less stretch and porosity.