Stumped on No Start Condition for Weeks Now

Was pulling very hard up a hill. Came over the other side and stalled at the stoplight 1/4 mile down. Found I Melted the center post on the distributor. Engine is in sig. 5.2 turbo, Megasquirt efi, e85. Changed all plug wires and the coil and the cap and rotor

So I’ve never gotten it to start and idle since. Just backfired once or twice and attempts to keep running. Strained the starter nicely. Cranks over at a little under 200 rpm. Valve timing was checked and it’s good. Threw the timing light on and it’s accurate. Cranks at 15 degrees btc. Even preheat the engine with a block heater. It’s getting fuel I can smell it. I honestly think it may be flooded with fuel still. Fat 44lb injectors and e85. But it then sat for a month and no change in the starting attempt condition. Haven’t attempted starting fluid with the backfiring going on. Plugs look ok. Can’t visibly tell if there’s any holes in piston tops or not. The megasquirt wiring looks good and it is reading and seems to operate accurately as far as I can tell. No faults. I can borrow a boroscope too. Other idea is a big vacuum leak but I blew off a 7/16 vac plug on the throttle body the same night and repaired it but I knew it because my idle was 2000 rpm.

Anything I’m missing? Oh and it’s getting spark while cranking and ign hot