I have a 1985 360. I just put it in my truckand noticed on the bottom of the blocl next to the oil pan by the starter there is a decent sized hole cast into the block tht goes inside the motor.idk if there is suposed to b anything there or if its suposed to b open. Can someone plz tell me wat this hole is and if there is anything tht goes there tht i am missing?

 

a is antifreeze drain plug

b is freeze plug

 

I cant get the pic to work just shows a white page

 

http://www.ebay.com/itm/Dodge-360-Ma...-/281246909265

the bighole is a freeze plug the small one is a coolant drain