Bill Hanlon's Recent Activity

  1. Bill Hanlon replied to the thread 1951 GMC passenger side cowl vents ???.

    I have no promotional lit. Hot engine coolant (water/antifreeze mix) is pushed into a 3/4" diameter hose by the engine's water pump....

    Nov 26, 2025 at 10:38 AM
  2. Bill Hanlon replied to the thread 1951 GMC passenger side cowl vents ???.

    GMC offered 2 heaters as shown below from the '53 GMC Master Parts Book. The one on the top was also known as the "fresh air heater"....

    Nov 26, 2025 at 7:17 AM
  3. Bill Hanlon added new media Clipboard01 to 1947-1954

    Clipboard01.jpg Nov 26, 2025 at 7:15 AM
  4. Bill Hanlon replied to the thread Identifying 1951 GMC engine.

    True for USA made trucks. Post WW2 Canadian made trucks until at least 1959 (newest I have documentation for) used Chevy 6 cylinder and...

    Nov 24, 2025 at 9:40 AM
  5. Bill Hanlon replied to the thread Identifying 1951 GMC engine.

    Your GMC was made in Canada. It was factory equipped with a Chevrolet 216 engine. The "first 3 digits is the engine size" is only true...

    Nov 23, 2025 at 10:45 PM