Description: In the old days they used Nodular Iron. Now that was what they had and it worked for most smaller castings without major heat changes. When you would go to a car wash and spray them with water they would crack. Especially on the 70 to 74 units.
In the old days they used Nodular Iron. Now that was what they had and it worked for most smaller castings without major heat changes. When you would go to a car wash and spray them with water they would crack. Especially on the 70 to 74 units.
