$100,000,000 I think its a code, which is 3 G
You have a 1973 nova 350
Metal casting can be done thro sand casting ,investment casting , pressure die casting methods
Two popular types of casting include: metal casting and concrete casting. However, there's also resin casting as well as iron casting.
http://nastyz28.com/chevy-engine-code-stampings.phphttp://chevroletforum.com/forum/general-tech-10/engine-casting-vin-decoding-22262/
This casting code is from both two and three freeze-plug small-block 400's from '1970 to 1973. These blocks can also have 2 or 4 bolt mains
Die casting.
Since it's in the car, perhaps the easiest way is to get the casting code off the engine. It will be located back by the distributor. There are several online sites that have the casting codes for a Pontiac engine.
Casting is the process of pouring liquid metal into a mold. The metal cools and takes the shape of the mold.
I would venture to guess about 230
Casting Casting
casting