LSR history lesson Muroc early SCTA 30s-40s

[Michael Goni]

Building as close a representation as possible to an early racer and had questions on different classes for the early years.  How where the classes divided?  In my reading it seems like unlike our current class structure in SCTA, ECTA, LTA, etc it was divided by mph, v8 or 4 cylinder and stock bodied or modified body?