Air them up a lot and be easy with your right foot. Especially right now. The sand is heavy and tore up. I’d be more concerned with the gearing change it’s gonna cause.
Beginning of every season I send off my injectors to get cleaned and flow tested. Too cheap to do to protect an expensive motor. I’d ditch the decapped injectors and toss a set of deka 80s in there. That will
Give you plenty of room to grow and some reliability. I’m on the same set for my 6th...
Usually you can weld a plate to the upright that the spindle welds to so you won’t have to change your upright. You will have to buy a new brake kit/hub assembly. I have a friend that gets real good deals on Jamar hubs.