Can anyone educate me a little on fuel tank requirements?
I have a tank using an MX5 sender/pump unit. This has a high pressure fuel feed and a return built in. I also have a filler neck.
Now what do I need for vent/rollover? The has an 8mm barb welded onto it but I'm not sure what use this'll be. I also have a rollver over ball valve that's awaiting fitting.
Now would I be right in saying I only need the ball valve to allow for air displacement when filling, air intake when fuel is used and to then stop fuel spillage should I run out of driving ability?
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