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+--- Thread: Rear fuel tank overflow-breather (/showthread.php?tid=6532)
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Rear fuel tank overflow-breather - Tony Griffiths - 19-08-2021
Filling our Ruby eventually results in fuel coming out of the breather pipe. Is this normal and can it be modified so it doesn't happen? Would the tank breath through the filler cap if the pipe was blocked?
RE: Rear fuel tank overflow-breather - Hugh Barnes - 19-08-2021
That's when I know to stop filling my tank....
RE: Rear fuel tank overflow-breather - Peter Naulls - 19-08-2021
Tony,
This has been discussed at length before on the forum and the consensus was that you can block the breather with no ill effects. I'm about to try it because of the horrible smell of petrol in the garage.
Do report back if you get around to it before me!
RE: Rear fuel tank overflow-breather - Steve kay - 19-08-2021
Surely I am not the only person who watches the petrol gauge, and stops filling when it begins to look pretty full. I have learned a polite response to the daily passer by whose grandfather/father /other relative had a Seven. Just say hang on a minute. Failing to concentrate on the gauge allows one to keep filling until the gentle flow of petrol from under the car demonstrates the breather overflow.
RE: Rear fuel tank overflow-breather - GK5268 - 19-08-2021
I solved the problem by inserting a windscreen washer one-way valve into the pipe, a bit of sealant to hold it in place, allows air to enter but stops petrol & fumes from exiting, tank can be filled to the brim without it leaking, problem solved while maintaining its ability to breathe!
https://www.ebay.co.uk/itm/264540876656
RE: Rear fuel tank overflow-breather - Tony Griffiths - 19-08-2021
(19-08-2021, 08:46 PM)Peter Naulls Wrote: Tony,Thank you, Peter. I'll try that. I thought of extending the breather with a rubber pipe up to near the filler tube and fitting it with a one-way valve.
This has been discussed at length before on the forum and the consensus was that you can block the breather with no ill effects. I'm about to try it because of the horrible smell of petrol in the garage.
Do report back if you get around to it before me!
RE: Rear fuel tank overflow-breather - squeak - 20-08-2021
In a previous post I mentioned that I had simply bent the overflow pipe 90 degrees towards the drivers side and with a rubber hose joiner added a length of copper pipe that runs up the quarter panel and down . No leakage and I now fill to the brim.
RE: Rear fuel tank overflow-breather - Graham Barker - 20-08-2021
I have blocked the breather completely to reduce the petrol smell as reported in my earlier post "Not so smelly Austin". Seems to be fine. Breathes ok through the filler cap. No sign of fuel starvation at the pump or carb.
RE: Rear fuel tank overflow-breather - Graham Barker - 20-08-2021
I have blocked the breather completely to reduce the petrol smell as reported in my earlier post "Not so smelly Austin". Seems to be fine. Breathes ok through the filler cap. No sign of fuel starvation at the pump or carb.
RE: Rear fuel tank overflow-breather - Graham Barker - 20-08-2021
Oops. Computer had a hiccup and I accidentally posted twice.