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    Fuzzy match across codes, option descriptions, and model aliases. Every result is graded and, where the factory documents it, cited.
    W-30 Factory-verified

    Oldsmobile · Regular Production Option

    1979: the Hurst/Olds package designation (W-30 stickers; Olds 350 R-code + TH-350, gold SSIII-style aluminum wheels, Dual Gate); 1980: 442 W-30 option, Cutlass Calais, 350 4-bbl (VIN R), LJ-code TH-350

    Years 1966–72, 1974–75, 1979–80 Models 1 Factory citations 4

    Also described as Outside Air Induction (OAI) package: ram-air via bumper scoops, hot cam, trunk-mounted batteryForce-Air (OAI) 400 CID package: under-bumper scoops, 4" ducts, red inner fenders, D heads, 360 hpOAI 455 package: 370 hp, aluminum intake (casting 406115 "OLDSMOBILE W-455"), F heads, W-25 hood std, red fenders, no sound deadeningOAI 455, 350 hp gross (compression drop); aluminum intake casting 407570, H heads; red fenders; unique dual-outlet fuel filterOAI 455, 300 hp net; VIN engine digit "X"; aluminum intake "OLDS W-455"; black inner fenders (first 10 cars red); Ga headsH/O 455 drivetrain designation (Rocket 455 + TH-400, "W-30" decals)

    Documented applications

    Cutlass / 4-4-2
    • 1966–67 Confirmed

      1966: tri-carb only, 54 factory cars + ~93 dealer "Track Pac"; 1967: 502 factory cars, first automatic (W-O-G TH-400); no convertibles either year; red inner fenders from 1967

    • 1968–69 Factory-verified

      442 only; manual brakes std (328° cam); posi std; OW-code TH-400 or close-ratio 4-speed (code XF in 1969); mandatory fender rally stripes (1968); 1969 factory service list: "Air Induction System (442)"

      GM Heritage factory kit — 1969 Oldsmobile 442 Info Kit, p.247.
    • 1970 Factory-verified

      442; A/C and power brakes first available; axles SF 3.23 (auto+AC), TM 3.42 std, TO 3.91 opt; factory list: "Induction System - Carburetor Outside Air… 455 Cu. In. 4-Barrel H.C. Engine"

      GM Heritage factory kit — 1970 Oldsmobile 442 Info Kit, p.231.
    • 1971 Factory-verified

      442; 920 built (110 convertibles); factory list: "Induction System - Carburetor Outside Air… 455 Cu. In. 4-Barrel Engine"

      GM Heritage factory kit — 1971 Oldsmobile 442 Info Kit, p.225.
    • 1972 Factory-verified

      659 coupes/hardtops + convertibles; Rallye-Pac now optional; M-20 4-speed (not M-22). Factory list: "Induction System - Carburetor Outside Air… Not Available with California cars… Manual Disc Brakes; Mandatory: L-77 455 4-Barrel, M20/M40, W-25, D-35, G-80"

      GM Heritage factory kit — 1972 Oldsmobile Cutlass 442 Info kit, p.189.
    • 1974–75 Confirmed

      1975: 1,193 × 455; T-tops (Hurst Hatch) introduced 1975

    • 1979–80 Confirmed

      1979 H/O: 2,499 built (1,165 white/1,334 black; built entirely by Olds in Lansing); 1980 442 W-30: 886 built (538 black/348 white)

    Related codes · mentioned in these notes

    G-80L-77M-22W-25

    This page aggregates every documented appearance of W-30 in the Oldsmobile reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.