Hard to start after it runs for a minute acts flooded out

Have you had any issues with your oil level raising? You could have an injector sticking open slightly letting the residual fuel pressure that is in the line bleed fuel into the engine after shutting the engine off.

Leaking fuel injector?

Unlikely it's flooded, but I did have a similar problem with my car, and replacing the temperature sensor fixed it.

wow, great post, (no location stated sadly,you in Nunavut?)
floods, a clear hard piece of evidence. bravo, and helps...
fuel soaked spark plugs.
if tuned up and , compression is 150,psi not 90 x4.
and spark is strong, then and only then is it a fueling problem.

ill assume you read the op guide and used the unflood method/
stated in glove box manual?
no, then use WOT TO START THE ENGINES.
wot, wide open throttle, (yes, right foot to floor)
this act cuts all fuel injections. and must start
if not , no spark.
if the egr is leaking , it will be hard to start, do the 50k service on it.
if the ISC is stuck closed, it will be hard to start and flood (no air)
so use just 10% throttle , acting as sort of a human ISC
start now?
that is just the tip of ice berg.
here is more flooding.
all ways, i think are here
http://www.fixkick.com/flooding.html

Have a test done on the glo-plug system as it appears that they have burnt out and are not pre-heating the cylinders or providing a source of ignition for the atomised fuel from the injectors

Is the check engine light on while you're cranking the engine?

Could be several things.
If the ignition module on the side of the distributor is failing, it can cause the plugs to fire at the wrong times.
If the distributor cap is faulty it can do the same thing.
If one of the injectors is leaking, it can fill one of the cylinders with fuel when you shut the engine off. It would act like the engine is flooded when you try to start it.

Hard starting? Try holding accelerator to floor until it catches then let off immediately, so as not to over-rev engine. (As it was done for a flooded situation with carburetor.) You may be getting leak-by on one or more injectors, causing it to act like a flooded situation.

Yes I know, but If you hold the accelerator pedal to the floor on a fuel injected car, the Throttle position sensor will tell the computer to enter clear flood mode. Then the computer will shut off the fuel injectors while you have the pedal to the floor. If it is flooded, you should be able to get it started in clear flood.

try checking your cadlist convert on your exhusted