Great work as usual, Richard. It must be very satisfying to see things finally taking shape.
Quote:
Originally Posted by 350TSS
I think I would like to make some form of pressure tester so I can blow compressed air into the tank to see if it is likely to leak but I cannot work out a way of sealing the filler cap hole.
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Have you considered using smoke to check for leaks? Some of the larger car dealerships have 'Smoke Wizard' units for leak detection. These pump smoke at low pressure into a sealed system and any leaks are obvious from the escape of the smoke. I'm sure if you can find a dealer with this equipment they'd be able to check your tank for you.
https://garagewire.co.uk/news/smoke-...k-diagnostics/
Would a large rubber bung (or even cork) cut to size and tapered be good enough to seal the fuel filler hole? Or a thick rubber balloon inflated into the neck perhaps?