12-21-2018, 05:02 AM
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#1
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Registered User
Join Date: Feb 2005
Location: It's a kind of magic.....
Posts: 6,558
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Quote:
Originally Posted by BoxMann
What about summer performance tires sitting in the cold for several months? Won't they flat spot? And low profile, high performance tires are most susceptible to this. What do people do to prevent this, besides putting the car on jack stands for the winter?
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Yes the tires will flat spot, but when put back into service they will shake off the flat spots in about 5 min. of driving.
Jacking the car up and letting the suspension hang is not a good thing. Porsche released a TSB on this years ago, warning that doing so could lead to damaged struts from corrosion on the shafts.
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“Anything really new is invented only in one’s youth. Later, one becomes more experienced, more famous – and more stupid.” - Albert Einstein
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12-21-2018, 05:55 AM
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#2
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Registered User
Join Date: Jul 2009
Location: Arlington Heights, IL
Posts: 1,561
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Quote:
Originally Posted by ajsimon85
1st question: I have a battery tender for my 98 boxter that I am going to keep in a car port. Can I hook it up without disconnecting the battery? Will it mess up the onboard computer?
2nd question: I have the car in one of those storage car ports in my yard. I don't have a garage. The storage port is good to keep the rain and weather off, but the grass floor is no good. I know that's a killer. They say gravel holds moisture. Any ideas on flooring to save the car frame?
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1) Plug into the cig lighter.
2) Park on a thick mil painter's tarp from Home Depot. May help a little.
Quote:
Originally Posted by BoxMann
What about summer performance tires sitting in the cold for several months? Won't they flat spot? And low profile, high performance tires are most susceptible to this. What do people do to prevent this, besides putting the car on jack stands for the winter?
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Easy. Pump up tires to about 55 psi.
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12-21-2018, 06:25 AM
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#3
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Registered User
Join Date: Aug 2015
Location: Callahan, FL
Posts: 462
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My best winter storage tip is to move to Florida!
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99 Boxster base
1966 912 3 gauge
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12-21-2018, 06:56 AM
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#4
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98 Arctic silver 986
Join Date: Jul 2011
Location: Upstate, NY
Posts: 1,452
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Quote:
Originally Posted by flouese
My best winter storage tip is to move to Florida!
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Haha. Great tip, my wife would agree. But if I could drive my Boxster year round I figure i'd have about 300,000 miles on it by now.
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12-21-2018, 07:01 AM
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#5
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Registered User
Join Date: Nov 2018
Location: NY Suburbs
Posts: 339
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Quote:
Originally Posted by flouese
My best winter storage tip is to move to Florida!
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As long as you don't mind living inside a steam room for 6+ months per year.
Ask me how I know.
__________________
2004 Boxster S, 6 spd, Triple Black
1986 944 Turbo (sold in 1988)
Since then, a 300ZX, a few BMW 3 Series, a few VW's
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12-21-2018, 07:03 AM
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#6
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Registered User
Join Date: Nov 2018
Location: NY Suburbs
Posts: 339
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Quote:
Originally Posted by JFP in PA
Yes the tires will flat spot, but when put back into service they will shake off the flat spots in about 5 min. of driving.
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I've read that usually that will work, but sometimes the flat spot could be partially permanent, where it never returns 100% back to normal. Was I misinformed?
__________________
2004 Boxster S, 6 spd, Triple Black
1986 944 Turbo (sold in 1988)
Since then, a 300ZX, a few BMW 3 Series, a few VW's
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12-21-2018, 07:49 AM
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#7
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Registered User
Join Date: Dec 2015
Location: Denver
Posts: 866
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Quote:
Originally Posted by BoxMann
I've read that usually that will work, but sometimes the flat spot could be partially permanent, where it never returns 100% back to normal. Was I misinformed?
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Air up the tires to 50 psi. and roll the P car a few inches every 4 to 5 months prevents flat spots
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5280 Cruising @High Altitude
Seal Gray & K&N Filter
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12-21-2018, 09:10 AM
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#8
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Registered User
Join Date: Feb 2005
Location: It's a kind of magic.....
Posts: 6,558
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Quote:
Originally Posted by Ciao
Air up the tires to 50 psi. and roll the P car a few inches every 4 to 5 months prevents flat spots
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Totally unnecessary. We store several exotics for special customers, they are all put away freshly serviced and washed, tires at normal pressures, and sit all winter (sometimes for as much as 5 months for customers that spend the winter in warmer climes). They are not started, or moved, the entire time. In the spring, the tires recover in about 5 min driving. Permanent flat spotting is an "old wives"/internet myth......
__________________
“Anything really new is invented only in one’s youth. Later, one becomes more experienced, more famous – and more stupid.” - Albert Einstein
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12-21-2018, 11:50 AM
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#9
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Registered User
Join Date: Dec 2015
Location: Denver
Posts: 866
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Quote:
Originally Posted by JFP in PA
Totally unnecessary. We store several exotics for special customers, they are all put away freshly serviced and washed, tires at normal pressures, and sit all winter (sometimes for as much as 5 months for customers that spend the winter in warmer climes). They are not started, or moved, the entire time. In the spring, the tires recover in about 5 min driving. Permanent flat spotting is an "old wives"/internet myth......
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Flat spotting is reality, can occur, and not an old wives tale.
https://www.tirerack.com/tires/tiretech/techpage.jsp?techid=42
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5280 Cruising @High Altitude
Seal Gray & K&N Filter
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12-21-2018, 02:05 PM
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#10
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Registered User
Join Date: Feb 2005
Location: It's a kind of magic.....
Posts: 6,558
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Quote:
Originally Posted by Ciao
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In more than forty years of storing cars, I have NEVER encountered permanent flat spotting. Temporary, yes, permanent never. It is an old wives tale...………..unless you are running crap tires, as mentioned earlier.
__________________
“Anything really new is invented only in one’s youth. Later, one becomes more experienced, more famous – and more stupid.” - Albert Einstein
Last edited by JFP in PA; 12-21-2018 at 02:27 PM.
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12-21-2018, 04:48 PM
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#11
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Registered User
Join Date: Dec 2015
Location: Denver
Posts: 866
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Quote:
Originally Posted by JFP in PA
In more than forty years of storing cars, I have NEVER encountered permanent flat spotting. Temporary, yes, permanent never. It is an old wives tale...………..unless you are running crap tires, as mentioned earlier.
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Flat spots can be permanent it doesn't matter the cost, type, of car you drive whether its 1 year or 140 years.
https://consumertire.com/blog/view/flat-spots-let-s-clear-up-some-myths-about-that
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5280 Cruising @High Altitude
Seal Gray & K&N Filter
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12-21-2018, 04:52 PM
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#12
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Registered User
Join Date: Mar 2007
Location: Ohio
Posts: 2,022
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Quote:
Originally Posted by JFP in PA
In more than forty years of storing cars, I have NEVER encountered permanent flat spotting. Temporary, yes, permanent never. It is an old wives tale...………..unless you are running crap tires, as mentioned earlier.
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In the dozen years I've owned my '01 Box I've garaged it annually from late Nov/early Dec until late Mar/early Apr. No intermittent rolling the car, and no long term flat spotting issues. Ever.
Last edited by Frodo; 12-21-2018 at 06:15 PM.
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12-21-2018, 09:11 AM
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#13
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Registered User
Join Date: Feb 2005
Location: It's a kind of magic.....
Posts: 6,558
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Quote:
Originally Posted by BoxMann
I've read that usually that will work, but sometimes the flat spot could be partially permanent, where it never returns 100% back to normal. Was I misinformed?
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If you get "permanent" flat spotting, it is because of crappy tires, not storage technique.
__________________
“Anything really new is invented only in one’s youth. Later, one becomes more experienced, more famous – and more stupid.” - Albert Einstein
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12-21-2018, 11:27 AM
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#14
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Registered User
Join Date: Mar 2013
Location: New York
Posts: 347
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Rather than plugging a battery tender into the lighter socket, I open the frunk, attach the cables to the battery by running the wire through the windshield opening, then close the frunk. Place a towel underneath the wiring on the outside of the car to prevent abrasion. Then cover with a quality rain resistant cover. We had 2 inches of rain in NY today, and the rain beaded up and rolled of my California Car Cover.
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12-21-2018, 01:43 PM
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#15
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Registered User
Join Date: Dec 2018
Location: New Jersey
Posts: 8
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Quote:
Originally Posted by Blackcloud
Rather than plugging a battery tender into the lighter socket, I open the frunk, attach the cables to the battery by running the wire through the windshield opening, then close the frunk. Place a towel underneath the wiring on the outside of the car to prevent abrasion. Then cover with a quality rain resistant cover. We had 2 inches of rain in NY today, and the rain beaded up and rolled of my California Car Cover.
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Great Advice! Thank You
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1998 Porsche 986
Joy Ride
Hybrid Mode
