If it's a used lower pan, it may be from a 1600 engine. They used a shallower sump. If someone else doesn't step in with the measurements I'll try to measure one tomorrow. Easy fix, just use a lower sump from a later (69? and up) engine. The other thing to check is whether or not your upper pan has a dipstick tube.
I'm just in the process of rebuilding a S4 Spider Speedo (Euro version RHD) I have just sorted out the electrics at the back of the unit and I would like to match the donor unit mileage to the actual cars mileage (one being in KM and the other in miles). Now I know taking these things...
I removed the fuel sender (which was covered in a black tar type substance:
And looked inside the tank..
Fuel is red in color
Scales of rust? Are visible inside the tank
1. Tank is done correct?
2. I should replace fuel tank, fuel sender and fuel filter at the minimum?
3. Pros and Cons...