Winter Storage

[ourZHP]

I have a two part question today:
1. This past summer I put Michelin Pilot Sport 4S tires on the car (The tires are incredible). My previous Super Sports had the recommendation of not driving below 40 degrees.
The 4S include the following warning: "not intended to be serviced, stored, nor driven in near- and below-freezing temperatures, through snow or on ice. I live outside the Washington D.C. area. It is not constantly below freezing but we have a fair amount of days. I've always tried to drive the car several times a month during the winter rather than letting it sit all winter. Do you think it will be a problem stored in a non-heated garage?
2. I can store the tires in my basement if necessary. I spoke with Quickjack. yesterday. They told me that as long as I disconnected the hydraulic lines the lift can remain elevated indefinitely. Will the car be okay sitting on the four jackpoints for the winter?

Thanks for your advice

[holyc0w]

I've heard of summer tires cracking in cold temperatures, so I would recommend storing in the basement.

[Vas]

I plan on storing my imola zhp on a quick jack and a battery tender. I live 2 hours south of DC.

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[PetesZ]

Moved to the south.

Only reason solution.

[Reasoned1]

I have heard that storing a car on stands is not good for the suspension. I can tell you that I have stored two different E46’s on Michelins through two different Vermont winters—rolling a bit once every week or two and keeping 50psi in the tires—and I’ve had no problems with flat spots on the tires.

I also use a battery tender and keep a full tank with some gas stabilizer in it.

[JETSET303]

I store my Pontiac with Jack stands under the suspension so the suspension is loaded but the tires are off the ground. That car gets stored for much longer periods than just winter though.


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[orange260z]

(1) the cold is not good for summer tires, they can cause them to both crack and harden prematurely. I remove my good summers and store them in the basement (not near the furnace, the ozone from the electric motor can damage the tires too)
(2) it is not a good idea to store a car with the suspension at full droop. If you are going to put it on a Quickjack, I would follow JETSET's suggestion and prop up the suspension so that it's in a neutral position.

What I do is keep a set of "beater" tires (usually my old set) on a second set of wheels. I use those for winter storage, and for a driving at the beginning of the season when the roads are full of potholes.

[Simmsled]

I have stored mine on the ground, but moved it a couple times during the winter.
Putting it in the air is bad for the rubber bushings on the suspension.
I have seen people get a “storage set” of wheels/tires for when it won’t be moving, and store the expensive Michelins in the basement or closet.
The most space effective is 4 spare (donut spare) wheels.
I have Michelin AS3+ on my ZHP and haven’t had any flat spot issues over 3 or 4 months.
Do you guys take collision coverage off of the car during the winter months?
I’m about to winterize my ZHP as well.

[Prestovie]

Dang I never thought about storage conditions for summer tires through the winter, thought I was safe just throwing my winters on the ZHP and leaving the super sports in my wooden shed through just one Chicago winter so far. Was planning on doing the same again this winter but y'all have me second guessing my methods lol

[az3579]

Dang I never thought about storage conditions for summer tires through the winter, thought I was safe just throwing my winters on the ZHP and leaving the super sports in my wooden shed through just one Chicago winter so far. Was planning on doing the same again this winter but y'all have me second guessing my methods lolI leave mine in the garage and they're just fine when I take them out again. Since I park my car in there, the temps stay warmer overall, but it's still in the 40's.

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[JFern]

My winter storage prep was always 1) change the oil, 2) full tank of gas with stabilizer, 3) connect battery tender. The tire flat spots always went away within 5 miles of my first spring drive. Never a problem in the 5 years I stored the car over winter.

It's true that the cold temperatures affects summer tires, and everything I've read for the PS4S suggests giving the tires 24 hours to "warm up" if they've been subjected to temps less than 20* F.

[pedro2u]

I'm with JFern except I pull the battery and keep it in my basement for the winter. I throw the battery on the charger in the spring before I put it back in

I already over inflate the tires, but this year I'm also trying these flat spot savers

https://www.amazon.com/gp/product/B073NQBJ1N/ref=oh_aui_detailpage_o04_s00?ie=UTF8&psc=1

[rkneeshaw]

Cars been parked in the garage over 9 winters now.

I always park it, throw on the battery tender, and walk away.

Every 3-4 weeks I roll the car back a foot or so.

Its an insulated but not heated garage. I know it got down into the 20's a few times during a few very cold winters.

Did this with Continental ExtremeContact summer tires, and a few sets of Michelin PSS.

Never had any issues with tires.

And I second the comment that the Micheline 4S are amazing tires. I thought PSS was good, but JHC, the 4S are so fun and grip so good. It's the perfect tire, no complaints at all.