There are 8 of them.
2 in the back of the engine block were the transmission bolts to the engine.
2 On each side of the engine block just below the heads, 1 on each side is behind the motor mounts and you can't see them.
There is also 2 on the front of the engine, 1 on both sides of the timing cover up front.
There are 8 freeze plugs.
There are 8 freeze plugs in all small and big block Chevy engines up to the year 2000
there are 8 freeze plugs on the water jacket and 6 oil freeze plugs however you will have to pull the engine to get to the back of the motor to replace the 3 oil and 2 of the water jacket plugs
yes
Should be 1 5/8".
The heads themselves have NO freeze plugs in them. But the block/engine has 8 freeze plugs in it.
It has 8 of them.
Front, back, and both sides.
Freeze plugs
If you mean the freeze plugs......they are located on the bottom side of your engine. They are round and are about the size of a half dollar.
Pull the motor or pull the transmission, one of them has to come out.
there are 8 freeze plugs on the water jacket and 6 oil freeze plugs however you will have to pull the engine to get to the back of the motor to replace the 3 oil and 2 of the water jacket plugs