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Fuel Tank Breather Pipe


Black Cat
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Hi,

Having refitted my fuel tank in my 1500 Spitfire I can’t remember what, if anything go’s onto the top of the breather pipe. Should there be a hose which go’s somewhere outside the car.

I remember when I built a kit car fitting a non-return valve on to the breather pipe but not sure what goes on the Spitfire.

Fuel tank breather 07.09.2020.jpg

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There is a very small hole in the center of the rubber seal on my filler cap so do you think it is vented, and if so can I block off the vent pipe or should I run a pipe out via the boot floor.  Will need to cut a hole in the boot floor as just recently replaced it.

Fuel filler cap 07.09.2020.JPG

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For UK spec car it would originally capped by a blind - ended short length  of tube( with a vented  petrol cap).

Inevitably this  tube perishes and results in the mysterious petrol smell in the car.

Easiest option is to replace with same or a more permanent answer is a  brass 8mm micro bore central heating stop end. 

11A28EF0-B413-4EE9-8075-63F3A310B31F.jpeg

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