Quote Originally Posted by dom14 View Post
On second though, it is lot cheaper to steal an existing design from company that makes those tanks, or even better, get a used tank.
You can get main tanks second hand, around 160L from memory, for around $500 - that's one I saw the other day anyway.

My auxiliary tank takes around 70-75L depending on how long I want to sit there rocking the car. That cost me $50.