Hello

I'm thinking that I might neglect to have an external fuel filler cap mounted on my rear panel and use a motorbike style fuel filler cap mounted directly on top of the tank.

More boot space as there is no filler hose in the way, but maybe a bit annoying to get to when the boot is full. Any thoughts and opinions gratefully received!

Josh

can be a real pain in the arse if you have the boot space filled with gear I did that with mine originally now have a cap in the rear panel

Hi
Put the filler cap in the top panel it is much easier to fill
My son had a Westfield before with the filler in the back
panel & it was an a--hole to fill up.


rear panels


filler cap


[Edited on 7/9/13 by renetom]

Having seen numerous people with the cap in the rear panel struggle to fill their cars. Results in both very slow filling, the pump repeatedly cutting off and fuel spilling or spitting back.
I'd always advocate having it mounted in the top panel even if that effects the shape any boot lid has to be.

If it would be as easy to fill as having one on the top or back, not so bad. But if the boot lid had to be removed or some baggage was obstructing the filler, not so good. Also would it be IVA friendly?

Thanks for the replies, based on your advice I have decided to mount an external filler cap on the top panel. If I put the filler neck in the rear right corner of the tank then the filler hose will cause minimum obtrusion into the boot space too.

One last question - how have people done their tank vents? Will a one-way valve be enough to allow air to enter the tank as the fuel level lowers, or does it need to be two-way to allow for expansion of air on a hot day?

It should be a 2way valve, especially if you've got injection engine with a return to the tank. Merlin motorsport stock them but they're not cheap.