New 3-piece M-37 Fuel Pump

[dogtags]

On the way home from Poof Stock 2011 the Museum's M-37 had a slight mechanical issue. As I was tooling down Highway 26 at a blistering 40 MPH, I suddenly lost power. I coasted down the hill and got safely off to the side of the road. Lifting the hood, I started to diagnose the problem. Hmmmm... The aftermarket fuel filter that goes between the carb and pump is bone dry. That's not good, let's take a look at the pump. WHAT!?!?!?! I can wiggle it with my hand! This ain't good.

It seems that it thought a three piece fuel pump might be the way to go. Turned out it was not. There I sat until poof came on by and helped me out. First, he brought me a new pump and when that one petered out also, he towed me back to my his place. skinnedknuckles hauled it up the 60 miles to Oshkosh so I didn't have to make a return trip. Than you so much guys!

Any thoughts on why it might have broken?

BTW, I just installed the new pump this morning that I got from John Bizal at Midwest Military. Runs like a top again.

Anyways, on to the pictures!

 

[dittle]

Glad you got it running again.

 

[zout]

Good help from a great bunch of memebrs there I see - way to go and glad you got it.,

As far as the guessing what may have occurred - I put on my magical physic aluminum tin foil cap - it could have been the surface mount to the block had an obstruction causing the flange on the pump not to sit flush before tightening it down ??

Or the bolts overtightened causing the break to the flange mount ?

I am only good for two guess's before the power dries out on the tin foil hat and I have to recharge it.

Glad you can get it going and it was something simple in the end.

 

[zak]

Pump arm frozen or seized, so when cam lobe moved to its farthest point it was either the pump or the cam to give. Lucky it wasn't the cam.

 

[M-37Bruce]

I think it could have been a lot worse? (Hey Larry)