Mystery object found in petrol tank

[Smartv11]

Found this object while starting the de-rusting of my tank????



Paul

 

[Grant]

Fuel cat. Supposed to make unleaded fuel easier on the valve seats.
Pretty much recognised as snake oil.

 

[tyelav13]

What Grant said

 

[2622]

 

[Smartv11]

Blimey, quick search and there ?20!!! and last 100,000 miles!! - I think I will list it on ebay.