> Worth noting that you seem to be installing the tank as a "refuel" rather than an "auxiliary" tank. The difference being the refuel tanks still feed through the existing fuel lines and not directly to injection system. > > Wondering what sort of fuel you plan on running? It's my understanding that auxiliary tanks can't be lower than the main tank unless it's for diesel. > > > BenT > sent from my electronic leash > > On Mar 22, 2013, at 10:01 AM, Chad Morris wrote: > >> I finally got around to installing the South African aux tank I bought from >> Ian last year and I am looking for suggestions regarding the right way to plumb the fuel lines to the main tank. >> >> Ian's instructions have one running a hose from the aux tank outlet, to the >> transfer pump, and then tapping into the main tank fill vent. He also states that there is no need to vent the aux tank. This makes no sense to me because as you transfer fuel, you would quickly create a vacuum >> condition in the aux tank, and the main tank, being a sealed system, would become pressurized. Am I missing something? >> >> My thoughts are as follows: >> >> For the aux tank vent, simply tee into the main tank vent hose with a hose >> originating from the from the aux tank vent port. In other words, have the aux tank share the vent system with the main tank. >> >> For the transfer line, I am considering running the hose from the transfer pump to a tee in the fuel injection return line. Since both tanks share the same vent system, the pressure across both tanks should remain the same. And my theory is that returning fuel from the engine won't run into the aux tank because the transfer pump (even when switched off) will act more or less as a check valve. >> >> Would appreciate thoughts or advice from anyone who has been down this path before. >> >> -Chad
On Mar 22, 2013, at 12:01 PM, Ben T <syncro@gmail.com> wrote: > Hi All, > Though most of the tanks sold to Syncro owners, some went to Vanagon Listmembers IIRC. > The fellow who had the tanks made in South Africa was asking feedback concerning the tanks. Coincidentally, there is a new thread on the Syncro list where someone is asking for assistance to install one. In the meantime, I had sent a message to Ian regarding another possible group purchase. Perfect opportunity to discuss all these matters at the same time. > TIA, > BenT |
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