Quote Originally Posted by txarkitekt View Post
799s were the prototypes for the 243s. The casting is a slight bit more rough from the factory (backing up your thought that they were made in Mexico ) than the 243s. The 799s actually work better for truck applications cause they provide better lower rpm torque than the 243s.
Quote Originally Posted by txarkitekt View Post
They are the same--I never said they were different... Go compare some flow charts for them....HA.