Quote Originally Posted by Shadowrider View Post
Thanks Mark and Yocum137 for your thoughts. I think the EFI fuel pump is also playing into this somehow? Fuel pump provides over 50gph to engine so it is returning a bunch of fuel. It somehow is pushing fuel into one tank possibly in certain situations? I can be at 1/2 tanks and one tank will start filling and one will start draining? Its only happened a few times but still annoying.
I haven't got to that part of my project yet, but I can't imagine how the pump(s) would effect this. I'll keep pondering, though.