Vapor lock or not ?

[zoegrant]

The flathead in my 36 Ford runs with the following temperatures after a good 10 mile run at 50 mph and an even 5 minute shutdown. ambient TEMP OUTSIDE 80.. Temps are then taken with lazer temp gage...Car is very difficult to start. Radiator is aluminum.

CYL HEADS...201---203
INTAKE...200
CARB...124
FUEL PUMP...140
WATER PIMP...145
GEN...197
GEN CUTOUT...165
RADIATOR...140
COIL...119
STARTER...122

I am presuming vapor lock is my hot start problem...there is a phenolic block under the carb. There is room to install another phenolic spacer on top of the old spacer....WOULD THAT HELP ?
ANY SUGGESTIONS ?
Thanks ...