1976 Minnie Winnie P30 Fuel Line Diagram

Well thanks for the info. The vin number I have probably tells me that it is a G30 but I was going from some notes from the previous owner. Here is the VIN number from Chevy CPL3263316533 6/76. Then there is a Winnebago Forest City Iowa number that reads 10059G1 77561 8/76 and Model Number MW25CR GVWR 11000 GAWR Front 4000 Rear 7500. I had help from a local GM dealer with understanding the designation. I was trying to find out the gas tank size and the parts I needed but had a dead end when I wanted parts.