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Started a rear suspension rebuild today. Removed the spare tire and tub. It had a white letter, GR70-15, Firestone 500- flat of course. The prior owner told me he had never taken it down in 15 years. Now I see why so many guys dump the spare. I could not imagine anyone, laying under the car and getting that spare down and the flat back in on the side of the road. Utterly ridiculous. :crazy:
some keep it because its supposed to be part of the rear end support...I mean if you get rear ended in a crash, its supposed to be good...or something like that. :hat
Don't know about the rest of you but I ended up using mine a few months after I bought it. I limped it to the next exit and got a new tire. I'd of ended up walking about 15 miles and then having to come back to the car, get the flat, take it back to the shop, replace the tire, and then drive back to put it back on. It probably saved me at least 2 hours.
Mine was a little tough the first time... but after I lubed the bolt and hinge and cleaned things up a bit... it was easy to get the spare down. (5-min.)
I've had to do it a number of times for exhaust, rear-end, and antenna repairs. No big deal now. With the sissors jack your looking at a 10-minute tire change. EASY. :)
One more reason not to use your spare: If the spare is a different size from your flat (and most of us are running wider than stock tires that are taller or shorter than stock) and you put it on the rear you can ruin your posi rear end with 2 different size tires. I always travel with a cell phone and AAA card (upgraded to AAA+ after my last 45 mile towtruck ride). MJ
One more reason not to use your spare: If the spare is a different size from your flat (and most of us are running wider than stock tires that are taller or shorter than stock) and you put it on the rear you can ruin your posi rear end with 2 different size tires.
Then move a front tire back and put the spare on the front. Hopefully you are only limping to get service, or to home. I'd hate to depend on someone, including AAA, coming out to fix a flat on a remote country road somewhere.
Since it is only used as a "spare" why does it have to be the same size as your rolling tires? I don't think anyone really rotates 5 tires anymore....
The Posi clutches keep both wheels semi-locked with just enough friction loss to allow different wheel speeds when making a turn. Different size rear tires would have the clutches slipping for an extended period and would eventually overheat and wear the posi clutches if you had very far to drive on the spare.
I carry my spare tire in the compartment behind the passenger seat.
A can of tire inflate/sealant weighs alot less and is easier to get to in case of emergency. :)