They aren’t commonly interchangeable because the two mounting bolts are even more aside on the Blacktop trumpets. You should see “Throttle bodies” For more info. They aren't a thing that wants adjusting as Element of an engine "tune-up", and shouldn't be used to try and treatment other problems. Fuel surge: https://cruzxwrkb.actoblog.com/32852327/considerations-to-know-about-blacktop-4age