What does d code mean in 1957 thunderbird ?

2 Answers

  • 1 month ago

    That's the 312-cid, 245-hp Thunderbird Special V-8 engine which was was optional and is very desirable.

  • Bill
    Lv 6
    1 month ago

    It is equipped with the 245hp V8 engine, 312 cubic inch. 

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