What years was a 383 an RB series engine?

[PettyBlue72]

I know the 383 started in 58 and was an RB series engine for a while but how how many years was it an RB series?

Thanks,
Joe

 

[Cranky]

1960 iirc

 

[PettyBlue72]

When did Mopar stop using the long ram style intakes because those intakes were used on 383's and 413's and the 413 is definitely a RB and was used in 61?

Joe