68 SS Chevelle stocker questions

[FED 387]

looking at the NHRA classification guide for 1968 Chevelle SS396 cars I see it as 325HP /RPO L-35 the base engine in SS396 models--350HP/RPO L35---375HP/RPO L-78 are all accepted engines in a SS396--production numbers for base engine (325HP) were 57595 cars----L-34 (350HP) 12481 cars and L-78 (375HP)4751 cars--Correct me if I am wrong please---FED 387