924Board.org

pat_man · Posted: Thu Apr 25, 2013 2:24 pm Post subject:

Should I stick with the 2 20cc accumulators or the 1 40cc?

scm924s · Joined: 22 Oct 2010 Posts: 296 Location: Gloucester UK

Short answer is "don't know", I seem to remember reading somewhere (Haynes?) that the fuel distributor changed when they went to single 40cc, but on the face of it can't see a problem.

I was fortunate to source 2 new 20cc ones for mine.
_________________
1984 n/a Ruby Red Metallic
1988 924S Guards red- sold
1986 924S Guards Red - sold
1984 n/a Black - sold
1980 n/a Le Mans#1 - sold
1980 n/a Le Mans#2- sold
1977 Martini - sold

pat_man · Posted: Fri Apr 26, 2013 12:04 am Post subject:

On German auto parts they've got a different fuel accumulator in the 1977 section. I assumed it was a 20cc accumulator

scm924s · Joined: 22 Oct 2010 Posts: 296 Location: Gloucester UK

Got the details from here http://www.bosch-automotive-catalog.com/public/catalog/products just need to input country of use and vehicle details.

Something I have just discovered, helping a fellow UK club member with an early 76 car, is that early models had one 20cc unit and an odd pump, later changed to 2 units and relocated pump.
_________________
1984 n/a Ruby Red Metallic
1988 924S Guards red- sold
1986 924S Guards Red - sold
1984 n/a Black - sold
1980 n/a Le Mans#1 - sold
1980 n/a Le Mans#2- sold
1977 Martini - sold

nivekrs · Joined: 14 Apr 2010 Posts: 55 Location: Wisconsisn

I finally found a fuel line that fits my 40cc. It's the feed line for Scirocco/cabriolet. You can find them at AutoHaus Mk1 on eBay. It fits the smaller 40cc pressure fitting. It's the Feed Line. Not the pump to accumulator line...that one is the bigger fitting.

pat_man · Posted: Fri Apr 26, 2013 8:44 am Post subject:

scm924s · Joined: 22 Oct 2010 Posts: 296 Location: Gloucester UK

pat_man · Posted: Sat Apr 27, 2013 12:01 am Post subject:

Brian L. · Posted: Sat Apr 27, 2013 5:04 pm Post subject: 40cc is what the factory went to.

The early cars had a single 20cc unit. I remember seeing a service bulliten to cure the hot start problem by installing a second 20cc unit. Then porsche started installing a single 40cc unit like on my 1980 car.
_________________
1980 924 N.A. Monaco Blue owned since 1987
"Remember, sitting on your ass won't finish your project" -Puddins fab shop.

pat_man · Posted: Sat Apr 27, 2013 5:05 pm Post subject:

Well I ordered 1 40cc unit. Here we go.

bear924 · Posted: Sun Jan 24, 2016 5:35 pm Post subject:

924 turbo Bosch part number for future reference.

0 438 170 024

From catalog posted in this discussion.

agfisher · Joined: 09 May 2007 Posts: 484 Location: West Hartford, CT

How did people end up doing with this. Is there a cheaper 40cc or 20cc equivalent out there now?
_________________
1977 924 N/A Martini Edition

brian19600 · Joined: 28 Oct 2013 Posts: 375 Location: NJ/CT

I would be interested to know what people have done too. Both mine are shot and I'd like to replace all the attaching hoses since they are 35 years old!
_________________
78 924