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Registered
Join Date: Nov 2008
Posts: 4
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Gas Cap
I just picked up an 82 928. It has no gas cap. I assumed that a "cap is a cap", but have now found that Stant doesn't make replacements. Any easy way (cheap) to get a replacement?
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11-30-2008, 07:07 AM
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Network Native
Join Date: Jan 2007
Location: SoCal
Posts: 10,349
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The 928 gas cap is unique, nothing else uses one, so new from Porsche or used and take your chances on it sealing or locking. New cap comes with a new key and lock, but you can get the locks rekeyed to match your car if you want.
*** Porsche Pelican and most of the usual suppliers have new gas caps, but they are from Porsche. 928-201-903-02-M100 Gas Tank Cap, 928 (1978-95) Brand: Genuine Porsche $157.00 |
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11-30-2008, 07:55 AM
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Registered
Join Date: Nov 2008
Posts: 4
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Gas cap info
Thanks for the answer. I think I'll investigate to see if I can swap out the whole filler neck, that would use a standard cap. I'm not really trying to restore to factory original, just drivable for some fun.
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11-30-2008, 12:18 PM
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Network Native
Join Date: Jan 2007
Location: SoCal
Posts: 10,349
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Filler neck is part of the tank.
If the previous owner didn't bother replacing the gas cap, my guess is that you have a VERY expensive project ahead of you, and few corners to cut costs on. Before you start spending any money on it a complete inspection and guesstimate of repairs might be a good idea. |
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11-30-2008, 12:39 PM
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928 OB-Wan
Join Date: Apr 2005
Location: NC
Posts: 520
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I'm sure I have 1 laying around, may not have the key though
figure $50 + shp w/out key $75 w/key
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78 928 Euro 5spd #34 88 928 S4 AT NachtGrun/GrauGrun 88 928 S4 5spd Guards Red/Black 12 Volvo C30 IceWhite/Black |
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12-01-2008, 04:34 AM
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Does this 82 run? If not, I think Dangler is right, your in for a treat. All kinds of crud can be at the bottom of your tank. Anyways, Rixters got a cap, buy his and seal up that tank. Your most likely going to have to pull the tank and have it cleaned.
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1981 Porsche 928 "Euro" Auto Gunsmoke Metallic Flat - Black Interior 1983 Porsche 928S "US" Auto Light Bronze (Copper) Metallic - Brown Interior **SOLD** 
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12-01-2008, 04:47 AM
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Old 928 Guy
Join Date: Oct 2005
Location: Maryland
Posts: 408
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..just be sure if you get a used cap that it includes the o-ring seal. some places sell them separately
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1990 C2 Cabriolet Guards Red  '81 928 Zinnmetallic Project Car (sold)  )'87 944na Maraschino Red Metallic (sold) )
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12-03-2008, 06:29 PM
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Registered
Join Date: Nov 2008
Posts: 4
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Quote:
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12-28-2008, 04:49 PM
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Heavy Metal Relocator
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Quote:
As danglerb says, the filler neck is part of the tank. you can cut the top off and fashion some sort of non-Porsche 928 deal, but I wouldn't. Used gas caps with keys are available (the major 928 parts suppliers, eBay, etc). PET manual/CD has the exploded view of the entire car/parts. --Russ
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Absence of Evidence, is not Evidence of Absence. Bill Maher 8/4/09--- "I'll show you Obama's birth certificate, when you show me Sarah Palin's high school diploma." |
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12-28-2008, 05:14 PM
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Heavy Metal Relocator
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below is the exploded view of the fuel tank and related parts. the view is a little misleading, but if you look closely to the filer neck, you can see that it is part of the tank.
 --Russ
__________________
Absence of Evidence, is not Evidence of Absence. Bill Maher 8/4/09--- "I'll show you Obama's birth certificate, when you show me Sarah Palin's high school diploma." |
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12-28-2008, 05:20 PM
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Network Native
Join Date: Jan 2007
Location: SoCal
Posts: 10,349
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I haven't seen a 928 yet that needed what might be called a tuneup. Rough running is usually some combination of vacuum, wiring, failed sensors or some actuator. No gas cap would have me point the first finger at contaminated gas, water, dirt etc.
Fuel tank is a big $1k plastic thing that hangs from a metal bracket in or near the portion with the filler neck. 
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12-28-2008, 05:38 PM
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928: Serial Enabler
Join Date: Sep 2007
Location: Elkhart, Indiana
Posts: 2,929
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Ditto on the tuneup. As Danglerb says.
On the gas tank --- carving on that gas tank to avoid spending money on a missing gas cap? Buy the cap. Clean the tank. Your fuel pump is $250 to replace and it will likely fail in several months because the strainer built into the discharge fitting is too coarse to prevent debris from entering the pump and, like russian roullette, jamming it. In general ---- Part of the reason Porsche could accomplish the performance on these cars is singular engineering of every part, with few exceptions, and morphing of the parts year to year as needed to accomplish other enhancements. Starting to carve on them is a slippery slope. You can rig stuff and it might work, but the degradation of the car will be irreversible. These are not chevelles.
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84,85,86 928 cars Last edited by Landseer; 12-28-2008 at 08:05 PM.. |
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12-28-2008, 07:57 PM
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Heavy Metal Relocator
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Yep......what they said...!
--Russ
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Absence of Evidence, is not Evidence of Absence. Bill Maher 8/4/09--- "I'll show you Obama's birth certificate, when you show me Sarah Palin's high school diploma." |
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12-28-2008, 08:09 PM
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Moderator
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Like I said, pull it out and have it cleaned. You will regret it later if you don't. I think I paid $60 to have mine acid washed.
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1981 Porsche 928 "Euro" Auto Gunsmoke Metallic Flat - Black Interior 1983 Porsche 928S "US" Auto Light Bronze (Copper) Metallic - Brown Interior **SOLD**
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12-29-2008, 03:48 AM
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