How to cook food using your car

I learned about this from my grandfather, who talked about how they used to cook that way in WWII. Here's a book describing that the GI:s would heat their food on the manifold: https://books.google.com/books?id=TaQRz3SSclEC&pg=PA252&dq=c...

The 1989 book "Manifold Destiny" (two updates since) contains recipes. https://en.wikipedia.org/wiki/Manifold_Destiny_%28cookbook%2...

Or, if you have a 1920s Ford, you can make your own stove from the engine, according to this 1924 Popular Science article: https://books.google.com/books?id=zigDAAAAMBAJ&pg=PA56&dq=co... . In 1980, Model A restorers were still cooking with a similar method: https://books.google.com/books?id=OPQ6AAAAMAAJ&q=cook+exhaus... .

Here are some boaters cooking on their marine engines in the 1970s: https://books.google.com/books?id=95zqW6gMnR0C&pg=PA92&dq=co... .