Whats the gap on the points of a 1991 ford econovan swb ? Think its a 1800 or 2000, Thanks

It is based on the Ford F-350 Econoline, so 0.020 (20 thou) according to this.

https://www.google.com/search?q=1988+econovan+E350+camper+points+gap

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Valve clearances are the small gaps between the tops of the valve stems and the part of the mechanism which presses on them to open the valves . Check the clearances at regular intervals as specified in the car service schedule, and adjust if necessary. Reset the clearances whenever the cylinder head has been removed.
https://www.howacarworks.com/engine/checking-and-adjusting-valves

point gap is .40 to .50 mm ( point 4 to point 5 mm) or .015 to .20"
most point distributors are at the .02 " mark but check and adjust as points to wide will misfire under load or lack power if too close
point gap variations can change ignition timing

This had year doesn't have points.

this engine should have an electronic ignition in which case there is no dwell angle
dwell angle was the degrees between the points opening and closing to give maximum saturation for the coil field
as it should be ab EFI engine then ECM makes the adjustment necessary for the correct setting for the fuel in use
as it is a low compression engine , the fuel octane rating that is best suited for it is 91
it will run well on 96 but the advantage gained is outweighed by the cost

Every 15,000 Km

make sure u breed the clutch slave clylinder, and the pressure plate installed correctly.

Same any vehicle your have every done

Watch a video

You aren't going to find vacuum diagrams on this site, you are going to have to find an old haynes manual on amazon or somewhere

What points?

The haven't been ignition points in
over 30 years