Vintage Snowmobile Races

That looks like fun, IJ. That amount of wind makes it miserable. Get some silk glove liners... you'd be happy with how much they keep your hands warmer.

As for the Tuckers...... IIRC Tucker used Mopar 225's, 318's and 360's back in the 60's-80' to power them. Some Thiokol's used Ford inline 6's.