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Sorry guys I haven't updated this in a while, unfortunately I have given up on the old girl. I sold her to a great guy in Florida that was planning a full restoration so I sent him both of mine. I have a couple of willys I have to get running right now and some day will get back on an M37. Last...

That's where the new / rebuilt carburetor came from and I told them what was going on with the one I rebuilt and they were at a loss for what could be causing it as well, I usually try not to touch the throttle when trying to start, it still fires off ether without a problem, but quickly floods...

Yes, it is very odd, one thing I just noticed today though is I'm not sure this engine is an mv, I tried taking the dipstick tube off my parts m37 and the 245 in the good m37 looks like it has a press on tube instead of the screw in, I'm not sure if that would have anything to do with it not...

Sorry, I haven't updated the post, I have just about pretty much given up on the m37, I have a friend that keeps saying he's going to come look at it but hasn't and he's a mechanic for Alabama Power and works on diesel and carbureted engines day in and day out, I was hoping he could figure it...

I appreciate the offer, just a little far for me to drive.I'm out of town right now and won't be able to work on the truck for a while. I'll update whenever I get back to it. Thanks again everyone

Thanks, I'll take all the help I can get, a friend of mine has another m37 that I went to look at today to see where everything goes under the hood, but it had the biggest rats nest I have ever seen under the hood so I couldn't see exactly where the vacuum lines go, I know one goes to the wipers...

The flooding is from 2 different carbs all together, different top covers and all, I have not tried starting it without the top cover mostly because I don't how anyone to help, I thought about it once to try bit wasn't sure with the accelerator pump staying in the top of it would work

Just got the carb back from a mechanic today, he said he couldn't find anything wrong with the carb, said it might be better to put a carb on where you can control the accelerator pump with your foot instead of vacuum, I removed the electric fuel pump and put the manual factory pump back on this...

Yes the old carb and the new rebuilt carb looked like that, I did fool with it again yesterday and it is still flooding even with only a quarter inch of gas in the bottom of the bowl with the fuel pump not on. I found someone local that thinks he can figure it out, he's an old timer so maybe he...

so today i took the top off of the carb to check the float level and just as bert suspected it was way high, the float was almost level with the top of the bowl, but i am still having trouble lowering it, i drained gas out of the bowl and adjusted the float, turned the fuel pump on and filled...

I pulled the carb off the manifold before removing the top, the gas seemed correct but the bowl gasket was wet all around with gas, not necessarily soaking wet but visibly wet.

Finally got a little time with it today. I checked under the plunger and the check ball is in the correct location and I checked the spring and it looked correct as well, I set the float a little lower and tried it and still flooding. Here are a couple of pictures just for verification. Man I...

I've been having to work late this week, I'll let you know as soon as I get time with it, hopefully tonight

I will check both tomorrow, I'm not opposed to sending you my carburetor and letting you look it over! I'd pay well! It's just hard for me to conceive that I'm having the same trouble with 2 different carbs rebuilt by 2 different people, it's just killing me that I can't figure out one of the...

I finally got some time to fiddle around a little more today. My cup seals are purple so I know they are not leather, the carburetor i rebuilt was very snug, it takes a little pressure to pull the top off, however there was a small piece of the bottom of the seal that got a little messed up when...

I just disconnected the fuel pump watched the bowl vent and it floods internally, nothing came out of the bowl vent, I unplugged the pump electrically and removed the fuel line from the carb, base gasket is wet with fuel also

I did disconnect the fuel pump but I have no way of seeing where the flooding is coming from, I don't have any one to help crank and watch, I might could set up a camera, I'll be fiddling with it again today

Well, I reconnected the crankcase vent and she is still flooding, seemingly worse, I know not to run it long with gas in the crankcase, I have already changed the oil, will have to a couple more times if I can get it running

When it first started flooding I removed the crankcase vent tube to try to prevent gas pouring into my crankcase, that was with the carburetor I rebuilt, that is an absolutely great idea to put it back on to prevent a vacuum leak, that never crossed my mind. I did put an inline pressure gauge...

Another troubleshooting step I have done and forgot to mention was I filled the carb with gas via the fuel pump, then disconnected the fuel pump and tried to crank it up and it still flooded even without the fuel pump physically connected, I have not tried this with the 2nd carb though