1948-1952 truck recirculating heater location?

[Vanspeed]

Originally Posted by FortyNiner

While you have been clear that others have told you that yours is a 48-52 unit, that just doesn't make sense. The block style Ford came later - like mid 1950s - when the tailgate embossing changed from script style.

You may be trying to fit a 'newer' unit into an older truck and are having the difficulty you've described.

You may be right. Even Brassworks has a pic on their website for a replacement heater core and it says standard 48-52. Kinda bummed I have been mislead by so many people.