Route of the 2249 Dodge Senior fuel pipe

[gundog99]

This summer my 2249 Dodge Senior has not being running properly ,The engine has run very  erratically over 30 mph,  as if starved of fuel, It also seems to be hotter than normal.

I have checked the  carburetor, points Ect ect .If vaporization is the problem an issue might be the route of the fuel pipe, it runs from the vacuum tank over the rear of the engine and manifold on the fire wall to the carburetor. Is this correct or did it originally run via the front of the engine?

[Ron Lawson]

Hello Anthony I assume that my 2249 fuel line were original from the Vac tank to the Carburettor and it runs across the back of the engine block, behind the exhaust pipe down under the steering box along the frame where it's got one or two clips holding it and up to the Carburettor 

[David_Leech]

My 28 runs from the vacuum tank, along the firewall, barely clears the rear of the cylinder head, until it reaches the right side of the car. It stays away from the exhaust. Drops down the firewall on the right to the frame rail. Along the frame rail then darts over to the carb. No high points or loops, just a steady down hill run

[RichBad]

Could be worth double checking valve clearances.  I’m told that if these are too tight it can give similar symptoms - when the engine gets very hot under load the clearances can disappear.

[2251DB]

Hi my senior fuel line also runs as per the other Senior  sixes ,however i installed a rubber sleeve over the pipe where it runs behind the block.I have had no trouble with the fuel.

ignition too far retarded can be a problem for erratic running and overheating, Hope you find a solution soon so you can once again enjoy your car 

[robert b]

Check for vaccum leaks on the manifold and flange gaskets .Leaning out of mixture could do this  to .bob. Bad condesors can also give this sort of result.

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Edited September 20, 2018 by robert b (see edit history)

[gundog99]

Thank you everyone. Since I fitted a replacement Carburettor ( 0X-2), a coupe of years age the car was running very well, but at the beginning of 2018  It started to miss fire  very badly; I fitted a new coil and a second hand condenser and reset the points, the car then started and ran much better - The old contesor had failed. The new problem i think is different, I will check if it is too far retarded, it may be the engine running to hot,  enough to  cause the fuel to vaporize.

[RWPerry]

The fuel line on my 2249 also runs the same way as Ron Lawson described.

[stakeside]

My 29 Dodge truck fuel line routes on firewall fairly close to the engine head. May be good idea to wrap fuel line with heat resistance tape. Not sure if asbestos tape is available, does anyone know a source for purchase?

Edited September 21, 2018 by stakeside
E (see edit history)

[David_Leech]

I doubt heat at the rear of the cylinder head is enough of an issue

[Ron Lawson]

It is the heat from the exhaust pipe  as it is only 3 to 4 inches away