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Spare tire air pressure suggestions for a '84 928s
Hi
I am looking for the recommended tire pressure for the spare tire that would be found on a 84 928? The rim is red and the tire is shaped differently from a standard tire. Thanks for any information on this question. Tim Boyer |
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04-17-2017, 06:34 PM
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Network Native
Join Date: Jan 2007
Location: SoCal
Posts: 10,349
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Zero is the safe pressure for the ancient collapsed Vredersten spares. Tires are not made to last 33 years, and there are no practical replacements.
Miraculously some still hold air and work when inflated to the pressure shown on the tire sidewall or owners manual, but many do not. |
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04-17-2017, 11:57 PM
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Location: Texas
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Quote:
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John Curry (Drift King) 928OC member Grand Prix White 1994 GTS AT (The GTS) Black 1989 GT (The GT) and Cobalt Blue 1989 S4 AT (The Blue Car) 1986 Euro AT Indishrot 1984 Euro S AT (The Stepson) and Black Metallic 1984 Euro S 5 speed (The Schwartz) |
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04-18-2017, 09:20 AM
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I have a few tires that are 40 years old and still hold air. It's the sun and ultraviolet and moisture which destroys them. Of course I would not trust them to go very far.
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1986 928S 32 valve engine All stock, automatic, 539 Weissgold Metallic, 70K original miles, Hankook Ventus 2 tires. Previously owned: 67 Vette, 427 L88 Stingray, 74 De Tomaso Pantera L. Latest addition: 2000 BMW Z3 Roadster |
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04-19-2017, 08:21 AM
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Join Date: Mar 2010
Location: Texas
Posts: 2,139
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Quote:
__________________
John Curry (Drift King) 928OC member Grand Prix White 1994 GTS AT (The GTS) Black 1989 GT (The GT) and Cobalt Blue 1989 S4 AT (The Blue Car) 1986 Euro AT Indishrot 1984 Euro S AT (The Stepson) and Black Metallic 1984 Euro S 5 speed (The Schwartz) |
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04-19-2017, 08:44 AM
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Quote:
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1986 928S 32 valve engine All stock, automatic, 539 Weissgold Metallic, 70K original miles, Hankook Ventus 2 tires. Previously owned: 67 Vette, 427 L88 Stingray, 74 De Tomaso Pantera L. Latest addition: 2000 BMW Z3 Roadster |
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04-19-2017, 10:00 AM
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Registered
Join Date: Mar 2008
Location: Nashville, TN
Posts: 4,064
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if the tire has been stored under the floor its whole life it is still most likely usable (shielded from UV which hurts rubber).
I have test inflated my 944 spare a few times to 30-40psi, i forget what it says on the sidewall but once it starts to inflate you will see it. if you wanted a newer possible replacement the 4-wheel-drive 996 model 911 (1997-2004) also had a collapsible tire on a 16 or 17" wheel about the same width/overall diameter as the 944/928 tire. |
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04-19-2017, 02:04 PM
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