Rear plastic fuel tank

[79jasper]

So from my searching, it's apparent that my truck didn't come with a plastic rear tank. Though it has it. Lol
I'm trying to find a new oring and lock ring for it to no avail. I guess maybe chassis cabs aren't "in the system."
Would it be a bad idea to seal it with rtv?

Well I just went to fordparts.com to search for diagrams with part numbers and may have found it. E99Z-9A307-A
Now to see if it's the same, and in Stock anywhere. Crosses to the vans, Rangers, and Mazda vehicles.

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[IDIoit]

want a plastic rear tank?

 

[79jasper]

Already have one. Lol
And being chassis cab, normal tanks are too wide.
Got the ring ordered. We'll see if it's correct tomorrow.

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[IDIoit]

this one is out of a 90 cab and chassis

 

[79jasper]

Probably same size then.
19 gal, I think.
Don't know if it's right or not, but I think I heard psd runs different resistance than the earlier trucks.

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[IDIoit]

incorrect, 2002SD uses the same resistance as the brick/OBS.
15-175 I believe
changed in 05
went through this on the current build.

 

[79jasper]

Interesting. Thought I read that on here before because someone was asking if powerstroke sending units were the same.

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[IDIoit]

all depends on the tanks,
but from my research, the ohms are the same

I was lucky enough to find that rear tank

 

[79jasper]

Hmm. It was probably all speculation, and no one had actually tested it. Lol

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[79jasper]

Meant to update sooner.
Tank still leaks. I think it does have a hole in it. It'll leak until the tank is below 3/4.
I'll pull it sometime.
If I do a larger rear tank, I'll reroute the exhaust to exit in front of the tire. Doesn't bother me any. Lol

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[Masami]

At least from 88-97 tank sender diameter is the same. Older ones have smaller diameter hole in tank for sender. Diesel senders only have two wires, no fuel pump in tank.