[Dave Bilyk]

Mike, if I have this right, this isn't Simons problem because he says his engine turns over fine when hot now he has upgraded the starter motor. Mine behaves the same as yours Mike, in fact it tends to turn slowly when hot and stop dead at first fire. The second time I turn the key it fires and runs. For the first few hundred miles I firmly believed it would fail to start when hot, but it never has so far. So there seem to be two issues here, ours involving the starter, and Simons involving something else which prevents fire.
My engine is just basic carburetor, a Holley, my fuel pumps are low down near sump level so they dont get too hot. At the carb, heat ensures that the fuel soon evaporates from the carb, then when I switch on there is much clicking of fuel pumps so I think the carb gets filled with cool fuel and there is no problem getting fire.
Not sure if this helps you Simon or helps anyone, but there it is.