Quote Originally Posted by randyr View Post
It's cool to see this thread have a happy ending but I'd like to extend the conversation for a minute if you guys don't mind....

I've mentioned a couple of times that I'm prepping my 66 Ford F100 daily driver for an engine swap. Yes, I still need to start a thread and will get to that soon!
I'm going to swap in a 5.0EFI/AOD from a '92 Mustang GT. I got the complete wiring harness, computer & everything from the donor car with 62K original miles. I have most of the stuff figured out but here's a question about the carbon canister. I'm using the EGR system without the smog pump and have read that I should probably use the EVAP system, too.
There are 2 hose fittings on my Ford carbon canister - 1 goes to the intake & has a solenoid in the line. The other goes to the fuel tank. I'm using the in-cab tank with the high pressure fuel pump set up mounted to the frame below the cab like the late 80's/90's F150's.
I can create a vent tube on an unused section of the factory sending unit or perhaps drill a hole in the top of the tank to attach the hose to. I assume the tank is currently vented thru the gas cap but not sure. If I make a vent tube to the canister, do I need to have a sealed cap on the filler tube?

Thoughts?

Thanks!!!
You say there are two hoses coming off the Ford carbon canister, the one to the fuel tank is your vent.
The one to the intake with the purge solenoid sucks the fumes from the canister.
The purge part of this is why Dave and I couldn't get our homemade canisters to work.
Since you have the vent from the canister to the tank, you would then need a sealed cap.