Suprised that accumulator is -6AN, here's a pic...could it be? [914/6] Options

[DougC]

I ordered some parts from Summit for connecting my (hard) fuel lines to flex hose the other day. I assumed that I'd have to find stock Porsche fittings to connect the new fuel lines to the stock fuel accumulator/filter that's required for my 2.7L CIS engine. Just for the heck of it I tried one of the -6AN fitting that Summit sent me and (to my surprise) it seemed to fit the threads on the accumulator and the filter. Could that be right, Porsche using AN thread sizes for stock fittings?

One potential problem however is that the accumulator/filter fittings aren't tapered or flared for the AN fittings so what will I need to buy to get the -6 stuff to work? Maybe some kind of coupler or something? I assume it would leak without a flare on both pieces.

Here's a picture.

Doug C

[Dr Evil]

Doug,
your AN set up is correct, but will not work unless you do what Artechnika said with the big o-ring. I havent tried it as I wanted a more stock approach, but he said that he has done it before so at least it has been tested.

Your accumulator has two fittings. The outer most fitting is the one that the pressurized fuel from the fuel pump goes into. The middle fitting, which mine came with the nipple on it, is the fuel pressure out to the fuel filter and onto the engine. The warm up regulator is fed from the fuel distributor. Let me see If I can get you some pics.

As for ifit wil fit AN-6 line, it is just 6mm. No prob, but the OD will likely be 8-8.5mm for the nipples. I am using 1/4" high pressure fuel line..Make sure that you use HIGH PRESSURE fuel line and not regular. Regular is usually good up to 50psi and fuel injection/high pressure fuel line handles 70psi.