Because you already have the truck I think not having a payload sticker is a plus. I would recommend not exceeding your rear axle weight rating by too much. Try to keep your pin weight under 3000 lbs. You also need to keep in mind that the closer to 3k lbs you have your pin weight at the nicer the 5ver will pull.... a light pin adversely affects handling.
BC is the only jurisdiction that I'm aware of that actually has a law that states if you are over weight your gross vehicle weight will be used as the number you can't exceed. The way it plays out is that if a LEO sees your headlights pointing to the moon and figures you look overloaded he can scale you and if you're found to be over any of your gvwr numbers you are overloaded. So because you are in BC you are at a higher risk of having weight issues.
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