Quote Originally Posted by buddah51au View Post
in my 40 years in the motor trade petrol has always been used as a cleaner, there is nothing better for cleaning engine components. Fuel will not vaporize if it is correctly sealed.

As for putting rocks in a fuel tank.....that's a new one on me. what advantage would you expect to gain?
There is an advantage it makes you understand what's the different between now and problems on the long run. If you want to see the problem now just grab a fistfull of sands or rocks and put it into your full tank then drive it till your fuell warning is on lol

Anyway each peoples have different opinions if you think your's opinion are better and recommended then do it noone will stop you .