No spark at the plugs

Unfortunately it only ran for a few minutes. Since than I’ve reset the timing changed the cap rotor and body, spark plugs and head gasket, changed the fuel and I am still having the same problem it won’t pop I have spark at the plugs and fuel in the cylinders still nothing? It’s driving me crazy. Fortunately it’s a short drive
 
Daba, Every engine runs on first principles. Did you do the check that I recommended in post 38? The position of the rotor and the timing are all to make sure that the plugs fire at the right time. There can be a number of things out of adjustment that may look right but not provide the correct timing according to the first principles.

Look in the cylinders or use a wooden stick to sense when the pistons are at TDC.
 
I just tried to add oil in the cylinders again 2 capfuls cranked it over, have good suction and blow back start and stop for about one minute without putting stress on the starter reinserted the plugs and have the same problems no pop? I torced the head gasket down to 55 pounds and three successions
 
Yes it’s exactly as the picture shows. I pulled out the plug I can visually see the piston is at the top and the pin is in the hole. Timing advance lever is all the way up I bought the nu- wrench to do the timing and it points right at number four and the rotor is pointing at number one as in the photo. Also when I changed the head gasket I can visually see everything looks very clean in there the valves are operating properly there was some black scale on the head around the plug which I cleaned off before I reinstalled it. I’m confident I’m doing everything right I must be missing something blatantly obvious.
 
Change the wire from the battery to the starter. Make sure that you are using a heavy gauge wire, not a thin one for a 12 volt (modern) system.
 
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