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gmc trucks

Discussion in 'Chevy Trucks' started by diana smith, Apr 16, 2000.

  1. diana smith

    diana smith Guest
    Messages: 0

    i am looking for info on motor size of 1975 GMC Silverado 3/4 ton? is is a 454?<p>thanks
  2. plowking35

    plowking35 2000 Club Member
    from SE CT
    Messages: 2,923

    Hi Diana<br>It very well could be. Look at the valve covers, if they are about 6-7&quot; wide it should be a 454, if they are 4-5&quot; wide then it is a smaller v8 engine.<br>Dino