Re: ? What is Hole for on top of exhaust manifold? On a 6 cyl 1941 19 series 110

Posted by JW49 On 2024/1/20 10:46:42

That is for the heat tube to go into the by-metal choke. As the by-metal is heated the the coil tightens which opens the choke. when the manifold cools the coil relaxes and closes the choke. Mine is also missing on my 49. Has anyone out there made one?