The main difference between the east side and south central would probably be that south LA chicanos grew up with more Blacks and so there was more influence between the two groups in talk and style. Most of the gang wars between Chicano and black gangs started much later. F13 vs East coast Crips started early 2000’s. Also the Crips were still in their infant years in the 70s anyway. Spreading rapidly but not as established as the 80’s.