[rcazwillis]

Technically, a vent and a return line are different items. Could you vent to a charcoal canister? Not sure if that works, but just a thought.

I helped an uncle finish the install of a FITech unit on a '32 coupe last weekend. I was impressed with the product. 4 wires, high pressure line from tank, return line to tank, sensor bung in exhaust. Turned the key and it fired right up. Had a holley carb on it prior, the FITech was noticeable better immediately. It could not have been simpler. My uncle spoke to their customer service on the phone four times last week and had nothing but positive things to say about his experience. Hopefully, your email interaction is an exception. I will be using one down the road.