Gas tank sending unit?????

[SWINGSAX68]

Are all years of sending units from 67-72 compatible...i have a 71-72 tank that I want to put in my 68, will the 68 sending unit work and/or fit???? or do I have to have a 71-72 unit???

[GMCPaul]

Depending upon the tank you may have EEC vent lines to cap off but you can use any 67-72 fuel sender for in cab tank in any 67-72 fuel tank. There can be differences that need overcome such as vent lines or diameter line and type of connection as V-8 and 6 cylinder used different diameter fuel line and connector but you can use a adapter to join them. So the answers yes, but mods may be required.
GMCPaul

[SWINGSAX68]

Paul,
now, the Vin number will tell me if the fitting from the fuel line to the sending unit is for a 6 cylinder or V8.....is that fitting universal for either 6's or V8's.

If i do find that it is was originally a 6.....do I need to get a sending unit for a 6????
Thanks
-Roger