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Paul Workman · 09-30-2012

Had mine on jacks for over a year at one time w/the tires on...no problems.

Far as jacking at one corner goes, if it were likely to break windshields, then heaven help us if we ever hit a pot hole! I know Discount Tiire's policy is to open the hood, doors, and hatch to "avoid cracking", which Ilm dubious about too (again, normal driving stressing). I even drove over the end of my wheel ramps once, causing the car to crash down on the frame on top of the ramps...No problems. So, i guess the worries about jacking and cracking are a bit overblown. But, i tossed the wheel ramps and now use a pair of jacks most of the time. (Except to change a tire.)

Flexing does occur with the top off. Maybe there are concerns when jacking sans the top, but with the top on I've jacked my two C4s every which way and never had a problem.

I'm just sayin...

P.

09-30-2012	#7
Paul Workman Join Date: Nov 2007 Location: Squires (near Ava MO in the Mark Twain N'tl Forest) - Missouri Posts: 6,466	Re: Lifting the Z question. Had mine on jacks for over a year at one time w/the tires on...no problems. Far as jacking at one corner goes, if it were likely to break windshields, then heaven help us if we ever hit a pot hole! I know Discount Tiire's policy is to open the hood, doors, and hatch to "avoid cracking", which Ilm dubious about too (again, normal driving stressing). I even drove over the end of my wheel ramps once, causing the car to crash down on the frame on top of the ramps...No problems. So, i guess the worries about jacking and cracking are a bit overblown. But, i tossed the wheel ramps and now use a pair of jacks most of the time. (Except to change a tire.) Flexing does occur with the top off. Maybe there are concerns when jacking sans the top, but with the top on I've jacked my two C4s every which way and never had a problem. I'm just sayin... P.