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1954 B series Fire engine fuel pump


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I am attempting to restore an old fire engine that hasn't been on the road for a few years. It's a gas inline 6 thermodyne.  I had it running for a while but the original dual chamber fuel pump is toast.  I've ordered a few other pumps claiming to be compatible, but unfortunately would not line up internally. At this point I'm wasting time and money on "trying on" different pumps.  So I'm curious would I be able to install an electric pump and pressure regulator instead of searching for another mechanical pump, if so what would ideal psi be?

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Also mine want bad ,lucky in garage ,sent to a place in N.Y. on a monday and I got it back on Friday all rebuilt for about $100. this was on my 54 LS85. 

your Mack looks good, what is that white item in the hose bed?

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I assume your gas tank is in the rear between the frame rails, I previously had a 47 mack pumper that the tank was mounted above the fire pump, that on had a cheap electric pump did not last long.

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1 hour ago, 609albert said:

Also mine want bad ,lucky in garage ,sent to a place in N.Y. on a monday and I got it back on Friday all rebuilt for about $100. this was on my 54 LS85. 

your Mack looks good, what is that white item in the hose bed?

To me it looks like a little kid bedframe ha ha I’m sure it’s not... bob

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