After much search (directly on MUD and via Google pointed at MUD) I have not found much info on replacing body mount bushings. Is it worth the effort? When does it become necessary? (pics related; they are the fronts, rears look better) And is this one of those 'while you're in there, replace all the bits' cases? Replace them all, or only the skunky ones? How many horse powers do you gain by doing this/how many more MPGs does this add? etc. TYIA for insights.
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Great question. I've been wondering too as I'm noodling on adding a body mount lift. Would be the perfect time to replace these. It's probably one of those things whether the juice is worth the squeeze. A set of these is pretty dang pricey. If you have high miles/age on the vehicle, say over 150k, and you intend to keep the vehicle for a long time thereafter, probably worth replacing. These bushings are directly responsible for isolation of the body to the chassis so could see some NVH improvements. Then again, my LX rides so dang good already, I don't know that better, is better?