Rotating Tires

[the other pc]

...... So even for a 4 tons porker at 60 / 40, a 2 tons jack would be fine..... Shouldn't it?

Sure, if you're only lifting one corner of the car at a time. But it's often desirable to lift the whole front or rear end. 4 tons x 60% = 2.4 tons.



I always prefer a good margin of overhead, especially on anything related to safety. 1.25 to 1.5 is common. I like to go with 2:1 whenever I can.



Plus, tools just work better if used well within their capabilities. When it comes to tools and power nothing exceeds like excess.





PC.

 

[kompressornsc]

Did I overlook a post that discussed balancing the tires each time you rotate them? I would definitely rotate and inspect the tires for damage, nails, etc, as well as tread wear pattern, check the tire pressure cold to your own specs, clean the tires and rims (easier off the car) balance them, and then reinstall them. A torque wrench is nice, but you can get a good feel tightening each lug bold or nut yourself to the old German "gootentight" if you don't have a torque wrendh. Be sure to tighten the bolts in an across the hub pattern to help avoid warping of the rotors.

Definitely balance! I just got back from getting mine rotated. They asked if I needed them balanced as well. Said "Nope, you guys just put these tires on 5K ago." Driving back to the office, everything is fine until I hit 60 mph. 'Whumph, whumph, whumph." Over 65, I'm fine. It's back to the shop next week to get them balanced-would have been cheaper to have it done at the same time.

 

[AlexRuiz]

Sure, if you're only lifting one corner of the car at a time. But it's often desirable to lift the whole front or rear end. 4 tons x 60% = 2.4 tons.



I always prefer a good margin of overhead, especially on anything related to safety. 1.25 to 1.5 is common. I like to go with 2:1 whenever I can.



Plus, tools just work better if used well within their capabilities. When it comes to tools and power nothing exceeds like excess.





PC.

I knew there was a reason!