Keith black small block found/info

That was quick,thanks again. I have 2 of them both been checked and good.1 is 4.040 other is 4.080 .the water jackets do look smoother than normal and has been modified for AN fitting@oil filter.they came from machine shop in Norfolk VA.owner died and estate sold the stuff.$600. I'm thinking#3and#5 might hold water on these blocks