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65sprint
Joined: 21 Apr 2021
Posts: 32
Location: New York U.S.A.
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 Posted: Sun Apr 25, 2021 11:40 am Post subject: How many fuel filters does a 1977 have? |
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| I've looked around the internet and found diagrams showing one, two, and three fuel filters. Does a 1977 only have two? |
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GregSC
Joined: 19 Jul 2008
Posts: 122
Location: Lovely, KY
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| Posted: Tue Apr 27, 2021 5:50 am Post subject: |
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For what it's worth, the 77 I used to have had two fuel filters. One small plastic one between the fuel tank and the fuel pump, and a larger metal one in the engine bay (driver's side close to the brake master cylinder. It is my understanding that this was the stock set up on the earlier cars.
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1981 931 |
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Jim d
Joined: 02 Jul 2019
Posts: 12
Location: Syracuse, NY
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| Posted: Tue Apr 27, 2021 10:15 am Post subject: |
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| The '77 has five filters, the large metal one in the engine bay and four tiny filters on the outlet lines from the fuel distributor to the injectors. The plastic part between the tank and the pump is not a filter but rather a sound baffle. |
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agfisher
Joined: 09 May 2007
Posts: 483
Location: West Hartford, CT
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| Posted: Wed Apr 28, 2021 7:10 am Post subject: |
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| Jim d wrote: | | The '77 has five filters, the large metal one in the engine bay and four tiny filters on the outlet lines from the fuel distributor to the injectors. The plastic part between the tank and the pump is not a filter but rather a sound baffle. |
Correct! Keep in mind though that the large metal one came in a couple of different configurations and honestly it's hard to figure out which one you get till you try to install. Might need return it and try another if it doesn't fit or do what I did and get an adapter to make the newer ones fit.
Adam
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1977 924 N/A Martini Edition |
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924-76
Joined: 05 Jun 2006
Posts: 1489
Location: Ontario, Canada
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| Posted: Wed Apr 28, 2021 11:54 pm Post subject: |
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| Jim d wrote: | | The plastic part between the tank and the pump is not a filter but rather a sound baffle. |
I'm sorry but this is not correct. Ask Porsche, they list it as a fuel filter.
I cut one open and it is a small filter. It prevent debris from the tank to get in the pump. It was replace later by an in tank screening in the 924S/944 and a in tank filter and pump on the 924 turbo.
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1976 924 N/A ROW SOLD
1980 931S
1981 931 Part car RIP |
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scm924s
Joined: 22 Oct 2010
Posts: 296
Location: Gloucester UK
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| Posted: Thu Apr 29, 2021 7:16 am Post subject: |
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| 924-76 wrote: | | It was replace later by an in tank screening in the 924S/944 and a in tank filter and pump on the 924 turbo. |
It was actually replaced on all 2 litre 924's from about 1978 by the in tank pump with filter
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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 |
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924-76
Joined: 05 Jun 2006
Posts: 1489
Location: Ontario, Canada
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| Posted: Thu Apr 29, 2021 7:35 am Post subject: |
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| scm924s wrote: | | 924-76 wrote: | | It was replace later by an in tank screening in the 924S/944 and a in tank filter and pump on the 924 turbo. |
It was actually replaced on all 2 litre 924's from about 1978 by the in tank pump with filter |
Thanks, didn't know that part
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1976 924 N/A ROW SOLD
1980 931S
1981 931 Part car RIP |
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65sprint
Joined: 21 Apr 2021
Posts: 32
Location: New York U.S.A.
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| Posted: Thu Apr 29, 2021 1:13 pm Post subject: |
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| So there are 6 fuel filters on a 1977, one before the fuel pump, one big one on the drivers side front fender, and four small ones in the fuel distributor. Got it. |
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