Hi, I see you have two vacuum hose on your distributor. This was an early 70's emissions system.
I knew someone would see that ugly thing sooner or later,,,;D. I have a 1969,,,so yes, I think it still does have most (or all of the emissions stuff). From what I have found out 1969 was a weird year for the Bronco and lots of changes were made during the model year. Mine looks to have one of the emissions that were being used or developed, but not on all models. My emissions did not have the air pump etc. I got this info from a 1969 Autolite Emission Control pub. If you want to see this, its 70 pages (too large for the forum). but this link may work.
http://www.mustangtek.com/Library6/1969AutoliteEmissionControl.html
I guess it would be a very interesting read if you’re into "original" stuff and how the emissions work. I'm looking to upgrade some (engine components) eventually but engine has not been that problematic and have concentrated on other areas of dependability and safety.
I'm no expert here and I don't even remotely claim to know doodly squat about this stuff.
I had a fairly knowledgeable mechanic who worked on Broncos regular about 8-9 years ago (or so) help me with mine. This guy could tune a carb like nobody I’ve ever seen. Basically the engine was stock as far as we could tell and we were have lots of trouble getting it to "run" smoothly ( with some back firing) and him being fan of the Holley carbs, the autolite was switched out (we) found it had a "crack" in it that could possibly cause issues? Anyway the stock air cleaner came off and the holley 2bbl went on and (gee whiz) about a day or so tuning and jetting) and its runs great ever since. Always starts, stops, idles great, no vapor lock, no sputtering, back firing anything. It still had the regular points in it then and we never fooled with any of the dual diaphragm distributor or the emissions. Only removed the air cleaner and I can't remember if it had any lines routed to it?
The emissions on my engine looks very similar to this autolite schematic 19 (accept for that Air bypass valve). I do think some of my lines could have been "blocked" or "routed through" due to the original air cleaner being removed. I'd have to go look at it again close to see where everything (the hoses) route. You can see some of it at the back of the engine (the Blue looking thing) Distribution Vacuum Advance Control Valve is where some of the lines from the distributor go.
Later on about 3 years ago (another mechanic) helped me switch to Petronix points and still the same runs outstanding (starts alot better) less cold natured. I can't speak for the gas mileage so there could be some work to be done there, but most parts seems to get about 12-14 miles to the gal. So the old saying "if it ain't broke don't fix it" is heeded.