The other day was out for a drive with the wife, all good.
I was running the tank down so I could remove the sender and do an adjustment on the full end of the swing.
Got back home guage showed between E and about 1/8 tank.
Today i pulled it out of the garage and backed it back in and onto ramps.
Replaced the plus battery wire harness from battery to starter.
Reached up under the dash and replaced the instrument constant voltage regulator with a good used unit.
Tested a mechanical NOS voltage regulator, that's a cool device but it makes the Ammeter bounce all over the place.
(Yes I had it grounded)
Then the engine quit. S#$t, s#$t, s$t.
What the heck did I do.
Hooked the regulator wires back to the modern electronic regulator. Tried again, fired up then died. S#$t, s#$t, s$t.
Maybe the tank is low enough that being on ramps there's no fuel being picked up. Pushed it off the ramps. Now it won't even fire at all.
Pushed it out to the driveway (nose down)
Still nothing. Put a bit of fuel in carb, fired up then died.
I only had 1/2 gallon in my can, so I put it the tank, still nothing.
Coasted to the flat street, more fuel in carb, fired then died.
Went to gas station got 1.25 gallons of gas put it in the tank, a little in the carb,
Fired tight up, kept running. WHOOOOOO!
From the time I parked it the other day till I restarted it after the parts replacement it ran for about 30 to 60 seconds.
Moral of the story.... Don't go under 1/4 tank!