plug below oil pump

[bigdad05]

had a 360 magnum block cleaned at shop. was told the plug was removed from inside the block 2-3 inches below the oil pump and was not replaced Was told it is usually replaced by shop. I did not know there was a plug. any info on why it is there. From a 1999 ram 2500. I could not find any info .

 

[SniperDroid]

Freeze Plug? You didn't say if the hole was smooth or threaded. Smooth was probably a freeze plug.

 

[bigdad05]

thanks for reply. The hole was smooth. doing additional research . I believe the plug forces oil from the oil pump to the oil filter. when i sent block to shop to clean i removed all pugs but one, did not know about this one. Now i need to find one.
thanks again.

 

[Musky Mike]

Forces oil through the filter. There is also one in the distributor pocket, one behind the filter plate, and two behind the timing chain that tend to get missed.