The Last Oldsmobile Diesel V6 and V8 Engines (1985)

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Thread: The Last Oldsmobile Diesel V6 and V8 Engines (1985)

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    The Last Oldsmobile Diesel V6 and V8 Engines (1985)

    Does anyone here remember, exactly, when GM killed the diesel program at its (defunct) Oldsmobile Division? We know for certain the last model year of the 5.7L V8 (LF9) and the 4.3L V6 (LT6, LT7 and LS2) diesels was 1985 but, what I want to know is, what the exact date production had ceased (say, January 1985 or August 1985).

    I'd also like to know what the highest serial # was as to the (original production, not Goodwrench/remanufactured crate engines) two diesels.

    Engine RPO codes:
    LT6 = 4.3L V6, for RWD cars (G body only)
    LT7 = 4.3L V6, for FWD cars (A body only)
    LS2 = 4.3L V6, for FWD cars (C body only)
    LF9 = 5.7L V8, for RWD cars (B,C,D,G,K bodies) and FWD cars (E,K bodies)

    1985 model year cars with Oldsmobile diesel power:

    BUICK
    LeSabre, LeSabre Estate, Electra Estate (B) (LF9)
    Riviera (E) (LF9)
    Regal (G) (LF9)
    Century (A) (LT7)
    Electra/Park Avenue (C) (LS2)

    CADILLAC
    Fleetwood Brougham (C/RWD) (LF9)
    Eldorado (E) (LF9)
    Seville (K) (LF9)
    DeVille, Fleetwood (C/FWD) (LS2)

    CHEVROLET
    Caprice/Impala (B) (LF9)
    Celebrity (A) (LT7)

    OLDSMOBILE
    Delta 88, Custom Cruiser (B) (LF9)
    Cutlass Supreme (G) (LF9)
    Toronado (E) (LF9)
    Cutlass Ciera (A) (LT7)
    Ninety-Eight (C) (LS2)

    PONTIAC
    Parisienne (B) (LF9)
    6000 (A) (LT7)

    The following Olds diesel-powered cars bit the dust after 1984:

    CHEVROLET
    Monte Carlo, El Camino (G) (LF9)

    PONTIAC
    Bonneville, Grand Prix (G) (LF9)

    Thank you,



    Benjamin "Ben" Edge (ClassicTVMan1981X)
    Last edited by ClassicTVMan1981X; 01-25-2013 at 07:42 PM.

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    Re: The Last Oldsmobile Diesel V6 and V8 Engines (1985)

    Diesel El Camino...that's got to be a rare one
    '07 Subaru Forester 2.5X 5MT. Bought new. 164k miles. '05 Dodge Durango Limited Hemi AWD. Mom bought new. 90k miles. '74 Buick LeSabre Luxus convertible. 455/7.5L, Quadrajet, dual exhaust. '89 Buick Reatta. 3800 SII L67/F40 six speed swap to be completed someday.

    '87 BMW K75. Pichler V1 fairing. '87 Kawasaki 650SX. '85 Bayliner Capri 1952. 3.0L OMC. Restored. '71 Chris Craft Coho 33'. Twin 327QA's. Basketcase but restoration in progress. '70? Amphicat 6x6 AATV. 13 hp Honda swap.

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