[Zl1dad]

Would there be a problem leaving car on jack stands during the winter and leaving suspension unloaded all winter?

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[Can'tHave2MuchHP]

Camaro5.com

[JeffFox]

As advised by my dealer I park the Camaro on rubber matts for the winter. I was advised "hanging" the wheels/leaving the car on jackstands may expose the strut shafts to the elements and if done this way grease should be applied to the exposed part of the shafts to prevent rusting. Of course with the weight of the wheels and tires removed the exposed length of each shaft would be lessened. Hope this helps. I do not use jackstands for winter storeage.

[Diesel997]

I agree with what jefffox posted. I don't have a ZL1 yet but when I stored my Porsche for the winter I inflated the tires to 60 psi and never had an issue with flat spots in the spring.

[JB'sZL1]

Ditto to what jefffox wrote. Additionally, and more importantly (I believe) is the suspension's natural state is to have load on it, and that is the manner it ought to be stored. Think of it this way: would you take a large unsprung spring and store sprung for six months?

I just purchased 4 new tires and drove the car on tiresavers for the winter. The suspension is left in its' natural state, and the tiresavers keep the circular shape of the rubber intact.

[MP3BOOSTED]

man it would never fail that when i walk into my garage i be yelling "WHO THE HELL STOLE MY RIMS"

[Zl1dad]

So I'm not storing tires for flat spots. I'm storing eagle f1s indoors so there are not exposed to single digit temperatures during winter and car should be back on the ground by March. So just a little over 2 months suspension will be unloaded.

And for the theory of suspensions natural state is to have a load on it, how about all the loaded struts for parts that are sitting there on the shelf with no load on it uninstalled onto a suspension.

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[DangerZL1]

Have there been any problems with summer only tires cracking in sub freezing temps if the car isn’t moved? Too many folks store cars without taking off the tires with no problems.

[crunch527]

In either case, it seems like a bunch of hassle to put a car on stands for 2 months. Your tires won't flat spot in two months. Probably have more risk of the stands failing or having an "aw shit" moment set in...

Hanging the suspension is something I just don't like to do...new or old...For example, I had a 67 vette and after upgrading all the suspension, I didn't like hanging the suspension any more than necessary...puts the suspension components at full articulation/bind...just my preference after wrenching on cars for 30+years...

[Z28pex]

When I sent my torque wrenches in for calibration they were dialed all the way back. After each use I always reduced the spring tension to lowest setting. When they completed the calibration and were ready to send them back, the tech called and told me to always store the wrenches with a certian amount of spring tension, and he give the percentage to use. Just another anology.

[Reichler]

Tires degrade from exposure to UV light and elements. Sitting indoors in the cold isn't going to affect them that much.

That said, the bigger issue about storing a car on jack stands is if you ever have an emergency where you need to get the car out of the garage. I'd rather have the car on the ground where I can quickly get the car out of the garage if need be.

[rjacobs]

Originally Posted by Zl1dad

And for the theory of suspensions natural state is to have a load on it, how about all the loaded struts for parts that are sitting there on the shelf with no load on it uninstalled onto a suspension.

You've obviously never purchased shocks/struts from a store... they are banded in the compressed position.

[HDRDTD]

Originally Posted by DangerZL1

Have there been any problems with summer only tires cracking in sub freezing temps if the car isn’t moved? Too many folks store cars without taking off the tires with no problems.

Back when the 5th gen ZL1's came out, Goodyear had posted a recommendation for the tires that recommended not driving on them under 40 degrees F, to not even store them at temps less than 20 degrees F.

Evidently the tires were subject to sidewall cracking under those conditions, so many of us that don't have a heated garage, would take the stock tires/wheels off during the winter months and store them indoors.

I have no idea if those same recommendations apply to the tires that come on the 6th gen ZL1's, but perhaps that's where the OP's worries came from ?

[HDRDTD]

Originally Posted by Zl1dad

Would there be a problem leaving car on jack stands during the winter and leaving suspension unloaded all winter?

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I don't see any harm in doing this just for a few months at a time.
A bit excessive, but I doubt it would do any harm.
If it was to be stored for years at a time, maybe there'd be some concern, but not for just a few months a year here in the SE Michigan area.