004 Fuel Distributor Available these days?

[rockreid]

Well, my 017 series fuel distributor on my 73.5 911 Targa 2.4T seems to be very sick. The plunger keeps sticking all the way up no matter how many times I free it up and check for any debris . There is scuffing on the piston itself but it travels freely up and down except for sliding all the way up where it lodges itself stuck. How readily available are rebuilt 017 part number FD's these days? I don't know if mine is even repairable. And should the plunger be traveling that far up into the FD in the first place?

My air adjustment screw is set in the proper position and running well when the plunger is not stuck. But the plunger eventually becomes annoyingly stuck again quickly after running now so the car is not drivable. VI know that the period correct part number is supposed to be an 004 FD, but mine came to me with a 017 installed. Is this a concern and should I install the correct 004?

[Dave Kost]

The fuel distributors can be rebuilt or repaired.

Two guys that come to mind are Tony out of Philadelphia ( who posts here regularly) and Larry Fletcher , CIS FlowTech Alabama. You can't go wrong with either.

If you want to keep the car original, I would source a 004 and get that tested, the two guys above may have the correct one available.

The 73.5 had a few unique parts and smaller intake runners. Also, a vacuum throttle position valve that was hard to tune. And don't forget the 1/2 year only fuel injectors that have become expensive.

So, I would find a complete 1974 -1975 911 CIS system then completely overhaul it and put the 73.5 system on the shelf for originality. ( Bigger runners and not as complicated systems as with the later year CIS 911's.) You can chase you tail trying to trouble shoot these CIS systems piece by piece. I know Ive had 6 CIS 911's none ran right until a total rebuild.

Well that's what I would do.

[Steve@Rennsport]

Send it to Larry @ CIS Flowtech.

[Dave Kost]

I have the 1973 CIS Service and Training Manual but don't know how to post it on this Thread.

Can someone explain how to post a Pdf file?

Thanks,