Thanks for the help. The plugs are pretty black. I'll try new ones but it sounds like its not getting enough gas or the timing is messed up.
I'm in Fremont. Next to Epping NH.

I'm looking for a knowledgeable mechanic to work on my M37. I live in New Hampshire. Here's a little history... The first 2 years I owned the M37 it ran like a new car. I let it sit for the next 2 years then it wouldn't start again. I couldn't figure out why so I had it towed to a mechanic. He drain...

It turns out that the low speed circuit was blocked in my rebuilt carb. Never thought to check it.

Thanks guys.
The carb is a rebuild from midwest military. I got it a few months ago. It should be clean inside unless something went wrong.
Where is the priming tube. Is it under the intake manifold?

Hi. I hope somebody can help me out. I've been working on this all summer & can't figure out what to check next. I've had my 1954 M37 for about 4 years. The first 2 years it ran like a top. I let it sit for 2 years then it wouldn't start. It would just crank. I got a rebuilt carb from Midwest Mi...