Turn the head over and you will see all kinds of different size holes in it. Water will flow from the engine block and through EVERY HOLE YOU SEE. That's way you must put sealer on every head bolt.
Yes, and well.
Yes they are the same heads.
Cylinder heads are installed on a Chevy 454 big block engine by placing the gasket down on the engine block and positioning the heads over the marking tabs. The bolts are then installed and torqued to specs in sequence.
They are one and the same engine.
No, the 1992 Chevy 350 (5.7L) V8 is not a Vortec engine.
take them to a machine shop
In the cylinder heads.
Yes, but you would want to add the steam holes between the bores. Use a 400 head gasket for a template and drill 3/16" holes through to the water jacket.
The 3.1 L V-6 engine in your Chevy Corsica Has Aluminum Heads
85 ft/lbs
Chevy didn't make a 306. A 302, 305, and 307, all of which will work just fine.
Sandwiched between the heads and the engine block.