Well, it's been awhile and I still haven't had the time to swap out transmission yet. Soon though! But in the meantime, I thought I would create another installment on the WVO conversion process.
This time I'll provide for another WVO delivery method that is easier and less likely to leak. This method is referred to HOH (Hose on Hose) and relies on the transfer of heat in the engine coolant as it flows through tubing. The process is fairly straight forward in that you have a feed and return of both coolant and WVO that are bundled together. The tubing or hoses are secured together using common plastic zip ties. Most of the tubing/hose is going to be 3/8" rubber fuel hose and your going to need quite a bit of it. In order to retain as much heat as possible you place your HOH setup in foam pipe insulation, readily available at your local hardware store.
The image gives you and idea of what the process looks like and is pretty easy to make. The only drawback to this method is the inefficient heat transfer of rubber. This is a minor issue in that you will benefit from having the coolant and WVO isolated from each other and no possibility of cross contimination due to leaks. This alone is well with considering as any leaks can cause engine damage!
