| View previous topic :: View next topic |
| Author |
Message |
pat_man
Joined: 19 Feb 2013
Posts: 41
Location: Spokane, United States
|
 Posted: Thu Feb 21, 2013 12:56 am Post subject: |
 |
|
| scm924s wrote: | You should be aware that the early (no in tank pump) fuel tank is different to the later ones, mine had a rusty fuel neck, just take that out and clean it. Fuel filters should be an off the shelf replacement, probably pay to change it a couple of times at first until the tank is free of rubbish.
Another problem area is the fuel accumulator(s), the early models have 2 and I believe the fuel distributor is different for these. These accumulators rust out and don't hold pressure in the system causing starting problems.
Another small filter is fitted on early cars between the tank and fuel pump inlet, this gets clogged with stirred up rubbish and are NLA, take it out and reverse flush it with an air line.
I would add that my comments apply to Euro spec cars, but I believe US Specs are similar. |
I'll make sure to check all of that when I start working |
|
| Back to top |
|
 |
Nein37
Joined: 29 Dec 2009
Posts: 513
Location: New London, CT
|
| Posted: Thu Feb 21, 2013 10:27 am Post subject: |
|
|
You'll likely need to replace the fuel distributer and WUR. You're best bet is getting rebuilt fuel system parts here:
http://www.specialtauto.com/
Empty, clean and flush your tank. Blow out the lines, replace the fuel pump, fuel accumulator, fuel filter, fuel dizzy, WUR and get the injectors cleaned. Do it good and do it right and it won't need attention for many years.
_________________
1981 931 CGT replica, OEM CGT intercooler, .8 BAR WG spring, GTS Headlights, Innovative Wide band A/F, A/C delete, 16" Fuchs, Weltmeister 200lb lowering springs, Bilstein HDs front, Koni Sport rears. |
|
| Back to top |
|
|
pat_man
Joined: 19 Feb 2013
Posts: 41
Location: Spokane, United States
|
| Posted: Thu Feb 21, 2013 11:50 am Post subject: |
|
|
| Nein37 wrote: | You'll likely need to replace the fuel distributer and WUR. You're best bet is getting rebuilt fuel system parts here:
http://www.specialtauto.com/
Empty, clean and flush your tank. Blow out the lines, replace the fuel pump, fuel accumulator, fuel filter, fuel dizzy, WUR and get the injectors cleaned. Do it good and do it right and it won't need attention for many years. |
Basically, the injectors are brand new. WUR was replaced (I believe) but I'll check that. Past that, I was planning on doing all of that anyway. |
|
| Back to top |
|
|
pat_man
Joined: 19 Feb 2013
Posts: 41
Location: Spokane, United States
|
| Posted: Sun Feb 24, 2013 10:02 am Post subject: |
|
|
| Worked on it today... Opened the tank up from the bottom. Looks like someone pooped inside it. I want to avoid dropping it as much as possible, can it be cleaned in the car? |
|
| Back to top |
|
|
pat_man
Joined: 19 Feb 2013
Posts: 41
Location: Spokane, United States
|
| Posted: Wed Mar 06, 2013 2:38 pm Post subject: |
|
|
| So I sold my other car, and it looks like its time to start work on the porsche. I've got 2 fuel accumulators, can I order 2 that dont say if they're 20cc or 40cc and run 2 40ccs? Also, Im only getting 25PSI to the injectors, should I try the accumulators first? |
|
| Back to top |
|
|
scm924s
Joined: 22 Oct 2010
Posts: 296
Location: Gloucester UK
|
| Posted: Wed Mar 06, 2013 6:33 pm Post subject: |
|
|
I doubt the accumulators affect delivery pressure, they maintain a residual pressure in the system to aid restart and purge the fuel lines of vapour. If they are leaking internally they are corroded (remove the small screws on the bottom of each and see if fuel escapes, it shouldn't ). At a pinch, use one 40cc in lieu of 2x20.
Low delivery could be a number of issues, you need to carry out a full pressure test on the system, after renewing fuel filter.
http://www.pelicanparts.com/911/technical_specs/Testing_Bosch_CIS.htm
_________________
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 |
|
| Back to top |
|
|
Brian L.
Joined: 10 Jul 2006
Posts: 127
Location: Buckley Washington, USA
|
| Posted: Mon Apr 01, 2013 3:00 am Post subject: |
|
|
| pat_man wrote: | | Worked on it today... Opened the tank up from the bottom. Looks like someone pooped inside it. I want to avoid dropping it as much as possible, can it be cleaned in the car? |
When I got my car back on the road I found the factory put some kind of foam at the bottom of the tank that had broke down over time. So I pulled the pump at the bottom of the tank and the sending unit from the top of the tank (look under the carpet in the hatch back area) and flushed it out with a gallon of gas. I would filter the gas through a clean rag and then do it over again (about 5 times) till it was all gone.
_________________
1980 924 N.A. Monaco Blue owned since 1987
"Remember, sitting on your ass won't finish your project" -Puddins fab shop. |
|
| Back to top |
|
|
CorsePerVita
Joined: 25 Jul 2008
Posts: 1992
Location: Redmond, Oregon
|
| Posted: Tue Apr 02, 2013 6:52 am Post subject: |
|
|
| pat_man wrote: | | CorsePerVita wrote: | | See if you can snag the part # off the fuel distributor. I know I have at least one around, I don't recall the condition, but I'll look and we can see if it lines up. The gents on this forum were nice enough to help me get my car running with a CIS setup, so I'm happy to return the favor. |
0 438 100 005 |
Today must be your lucky day. Hanging out on the shelf was one with the lines and injectors attached... low and behold... a 0 438 100 005.
Drop me a pm with the addy and shoot me $10 for the shipping and we can call it even if you want. (if you still want it, I sure as hell don't need it)
_________________
- 1977 Porsche 924 2.0 N/A (Trackday Project)
- 1979 Porsche 924 2.0 N/A (The other daily)
- 1980 Porsche 931 (Daily)
- 1987 Lamborghini Jalpa
- 1999 Ducati 900SS |
|
| Back to top |
|
|
pat_man
Joined: 19 Feb 2013
Posts: 41
Location: Spokane, United States
|
| Posted: Mon Apr 22, 2013 9:49 am Post subject: |
|
|
 
check out what I found this weekend. 924 rotting away in the junkyard, with a full interior (albeit a shitty one). Got the center porsche thing for 3.50 |
|
| Back to top |
|
|
nickthompson
Joined: 26 Mar 2013
Posts: 873
Location: Central Georgia
|
| Posted: Mon Apr 22, 2013 10:27 am Post subject: |
|
|
| Am I the only one that doesn't like those center light conversions? |
|
| Back to top |
|
|
SlayerSST
Joined: 21 Sep 2010
Posts: 212
|
| Posted: Mon Apr 22, 2013 10:49 am Post subject: |
|
|
^ If you don't have one people are going to say you are driving a honda, rx7, or some other crappy car.
But if you want the person with the car in back of you think your driving a skinny tire pos honda go right ahead.
To each their own.
(just speaking about the stock 924 with stock 14 rims) |
|
| Back to top |
|
|
pat_man
Joined: 19 Feb 2013
Posts: 41
Location: Spokane, United States
|
| Posted: Mon Apr 22, 2013 1:42 pm Post subject: |
|
|
| I like it, think it completes the rear end. |
|
| Back to top |
|
|
nickthompson
Joined: 26 Mar 2013
Posts: 873
Location: Central Georgia
|
| Posted: Mon Apr 22, 2013 7:36 pm Post subject: |
|
|
| SlayerSST wrote: | ^ If you don't have one people are going to say you are driving a honda, rx7, or some other crappy car.
But if you want the person with the car in back of you think your driving a skinny tire pos honda go right ahead.
To each their own.
(just speaking about the stock 924 with stock 14 rims) |
Some people don't need attention drawn towards themselves 24 hours a day. If you care what people think about your car you picked the wrong machine. Most Hondas and RX-7s will walk off and leave you average 924. |
|
| Back to top |
|
|
SlayerSST
Joined: 21 Sep 2010
Posts: 212
|
| Posted: Tue Apr 23, 2013 5:25 am Post subject: |
|
|
| nickthompson wrote: | | SlayerSST wrote: | ^ If you don't have one people are going to say you are driving a honda, rx7, or some other crappy car.
But if you want the person with the car in back of you think your driving a skinny tire pos honda go right ahead.
To each their own.
(just speaking about the stock 924 with stock 14 rims) |
Some people don't need attention drawn towards themselves 24 hours a day. If you care what people think about your car you picked the wrong machine. Most Hondas and RX-7s will walk off and leave you average 924. |
Calm down cowboy. You don't want attention yet you bought a Porsche?
But hey, I'm not going to waste my time arguing with you over the internet. |
|
| Back to top |
|
|
pat_man
Joined: 19 Feb 2013
Posts: 41
Location: Spokane, United States
|
| Posted: Tue Apr 23, 2013 9:50 am Post subject: |
|
|
| So anyway, it sounds like this project is a go! I need to acquire the lost title, which the DOL makes it sound easy. Grandpa is gonna loan me money from my college fund, which is gonna go towards the new fuel system, along with brakes and maybe a clutch kit. |
|
| Back to top |
|
|
|
FAQ
Search
Memberlist
Usergroups
Register
Profile
Log in to check your private messages
Log in
924 FAQ (Technical)
