In 2 medium bowls seperate the eggs and set aside the egg whites for later.
on medium heat in heavy medium sauce pan, add milk, 1 1/2 cups of the sugar, bring to a simmer, until it starts to heat, stirring to keep from scorching. remove from heat
to the egg yokes add the rest of the sugar, and flour and a little water just enough to make it easy to mix, mixing well. To temper the yokes while stiring add 1 cup of the heated milk mixture, mixing well
return sauce pan to heat, while stirring add egg yoke mixture to milk, and sugar mixture mixing contentiously cooking until it thickens. about 5 to 10 minutes, remove from heat and add butter, and vanilla. mix well divide between the 2 pie crust.
beat the egg whites until firm peaks form, and add 1/4 cup sugar, and 2 tablespoons corn syrup, beating to mix well. divide between pies. put pies under broiler until browned on top. cool for about 30 minutes before serving