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WANTED Gas tank sending unit

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volaredon

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As title says
Only want NOS or good used. No aftermarket crap because I haven't had one of those work right yet
application is 83 D250 with 30 gallon tank.
 
volaredon said:
As title says
Only want NOS or good used. No aftermarket crap because I haven't had one of those work right yet
application is 83 D250 with 30 gallon tank.
Click to expand...
That would be the one behind the rear axle? Any old Dodge class C motor homes sitting in your neighborhood?
 
nope. this one don't have one behind the axle. Those would be the Ramchargers. This one is inside the frame at front of bed, driver side. Plastic tank.
 
That doesn't leave much room on that side of the truck does it. Don't think these tanks very in depth.
 
Mounts between frame and driveshaft.
I think the difference between 20 gallons and 39 gallon tank is length. Duals (exhaust) have to both run down the passenger side.
 
volaredon said:
nope. this one don't have one behind the axle. Those would be the Ramchargers. This one is inside the frame at front of bed, driver side. Plastic tank.
Click to expand...
Since you bumped this. Behind the axle tanks where also found on trucks with axillaries. Rear tank also frees up the spot on the other side of the drive shaft for exhaust if its not wanted all on one side.
Those rear tanks were usually 36 gallons.
 
I've heard of people substituting a van or a ramcharger tank years after their trucks but not from the factory
 
Definitely a thought but I'm not sure about valving/switching between them. I know both Chevy and Ford were more popular for 2 smaller tanks over the years while Dodge seemed to favor a single big tank. I have a couple of 22 gallon Dakota tanks laying around but those have internal electric pumps, I'm running mechanical fuel pump and carburetion
 
Ditch the mechanical pump and install a single regulator with bypass and a fuel switch valve to put on the return line. Use the pumps on the tanks.
Some of the Dakota's had adjustable regulators on the fuel rail with return line to the tank. Number of ways to do it depending on what's available.
 
I ditched the mechanical pump on the D350 a year ago and wished it had been done earlier. With the mechanical pump fuel delivery wasn't keeping up, engine was falling flat and mpg was terrible.
 
How could mpg be terrible if the pump wasn't keeping up? What engine? They used mechanical ones for years on some very high HP engines just fine...I like simplicity.
 
Second mechanical pump on the 89 360. Pressure was fine sitting still @ 4psi when moving would drop to 0 on start-up then level at 2 psi. This was originally a. Efi engine.
Follow wasn't keeping up to make the carb function. Constant 3400 rpm at 60ph likely not helping. 8mpg max haven't checked it since the electric pump. But fuel last notable longer @ a constant 3.5 psi. Anything over that and it's blowing fuel by the thermoquad needle and seats. That's with a new carb kit.
Not sure why the BB's with same carb and 7psi pump are not having problems. One even running 3200rpm at 65. No problem at 7500rpm either.
I'm just glad the electric pump has taken care of the problem. When the od trans goes in milage will get checked again.
 
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