ALL 1970 B & E-bodies with a 383 & manual transmission were ORANGE painted 383HP engines (335hp) with HOLLEY carburetors drive

1970

383 manual - E & B-body - w/o ECS
orange HP engine 335hp
engine assembly #s on b'cast: 084 with A/C (H51) & 087 without A/C
---------- Holley R4367-A ---------- part number 3418 536 on b'cast 36

383 manual - E & B-body - w/o ECS & with "fresh air" (N96).
orange HP engine 335hp
---------- Holley R4736-1A ---------- part number 3512 964 on b'cast 64

383 manual - E & B-body - with ECS (N95)
orange HP engine 335hp
---------- Holley R4217-A ---------- part number 3418 537 on b'cast 37

383 manual - E & B-body - with ECS (N95) & with "fresh air" (N96)
orange HP engine 335hp
---------- Holley R4738-1A ---------- part number 3512 974 on b'cast 74