Yes, outlet is the only difference.

Stuart

-----Original Message-----
From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf Of Sudhir Desai
Sent: Wednesday, July 17, 2013 1:18 PM
To: vanagon@GERRY.VANAGON.COM
Subject: Re: replacing fuel tank

does it go in the same as the old tank? (i've been off/on considering replacing mine)

On Wed, Jul 17, 2013 at 4:14 PM, Dennis Haynes <d23haynes57@hotmail.com>wrote:

> Actually the later tanks take an 11mm hose. The 86 and later vans do 
> not use a filter before the pump, just the inlet screen in the tank. 
> If you have sand and debris in the tank then most likely the vapor 
> recovery system on top has broken, leaking parts and road stuff has been getting inside.
> With few exceptions today's fuel supplies are very clean. The larger 
> filter has more capacity and filters smaller particles to protect the injectors.
> The fuel system recirculates the fuel so the stuff in the tank should 
> actually get cleaner as you drive. The recommended service interval 
> for the later fuel filter is 30K miles. Filters before the pump 
> increase the possibility of vapor lock and are no longer used by most 
> manufacturers. In fact many now put the pump inside the tank or use a 
> pre-pump. If buying a tank I would go with the 11mm outlet.
>
> Dennis
>
> -----Original Message-----
> From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On 
> Behalf Of Skip
> Sent: Wednesday, July 17, 2013 3:05 PM
> To: vanagon@GERRY.VANAGON.COM
> Subject: Re: replacing fuel tank
>
> Close to a purchase of a new fuel tank, myself. - '84.   I experience
> random acts of fuel starvation at speed and questionable idle 
> conditions which may/may not have anything to do with fuel flow or 
> fuel blockage in the tank (reference Alistar's narrative), but I'm 
> also suspicious.  I can personally attest to changing a fuel pump in 
> the parking lot of a FLAPS
> (150 miles from home, 1 hour start to finish), in which the old fuel 
> pump beget an appreciable amount of sand when running the pump in 
> reverse on a bench test.  Also, I change my square pre-filter at every 
> oil change and I have a post-filter ("oil can" size) as well.  Cutting 
> open the pre-filter recently showed a modest amount of dirt and sand (not much rust, however).
>
> Specifically, the tanks for the "early Vanagons" come with 7mm exit 
> while the "more recents" (post '85/'86?) come with a 12 mm exit.  It 
> seems in all cases that the 12mm exit is preferable.  Though the input 
> to the square pre-filter is 7mm, perhaps one could run the post-filter 
> exclusively or source a 12 mm input pre-filter.
>
> If all of the above is true, then does one of our friendly e-vendors 
> carry a fuel tank that would be acceptable for an '84 and have a 12mm 
> exit?  Do the fuel tanks for the newer Vanagons fit perfectly to an '84?
>
> All of my chatter is based on the theory that a 12 mm outlet is a 
> better idea than a 7mm outlet.  Is there a majority opinion toward this theory?
>
> Thanks,
>
> Skip '84 Westy, 2.2L GoWesty kit in a 1.9L case (bought the kit and 
> had local (Chicago) hot rod machine shop install - did a nice job)
> -------------------------
> Thanks for the inside scoop on the sender tabs, Stuart.
> Stuart said,
>    "Got mine from Van Café along with all the bits.  Rock Auto sells 
> them too,  but they may be too cheap to be any good.  Be careful 
> installing the  sender--the tabs on the tank "twist lock" need to be 
> raised a bit on the  leading corners so the sender can be twisted in.  
> On mine with a new O-ring  the plastic sender flange hit the edge and would not twist in, and
> you risk  damaging the sender if you try to force it.     Stuart"
>