Do I need to replace all 4 tires? - Mazda 6 Forums : Mazda 6 Forum / Mazda Atenza Forum
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post #1 of 9 (permalink) Old 11-08-2010, 05:06 PM Thread Starter
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Do I need to replace all 4 tires?

Both of my front tires and bad and need to be replaced but do I need to replace all 4 or can I replace just the 2 bad tires?
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post #2 of 9 (permalink) Old 11-08-2010, 09:08 PM
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Do you have a regular 6 or a Speed 6? If it's a regular 6 then you can just replace the 2 tires and put the new ones up front. If it's a Speed 6 and the tires are fairly new then u will be ok with just 2 new tires. But if they are worn....you will need to do all 4.

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post #3 of 9 (permalink) Old 11-08-2010, 10:15 PM Thread Starter
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Originally Posted by daztd View Post
Do you have a regular 6 or a Speed 6? If it's a regular 6 then you can just replace the 2 tires and put the new ones up front. If it's a Speed 6 and the tires are fairly new then u will be ok with just 2 new tires. But if they are worn....you will need to do all 4.
It's a regular 2006 mazda6. Anyone have any experience with Fuzion HRI's?
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post #4 of 9 (permalink) Old 11-18-2010, 08:13 AM
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Originally Posted by daztd View Post
If it's a regular 6 then you can just replace the 2 tires and put the new ones up front..
No no NO! This is a common misconception that really needs to go away. Always put your better tires on the rear, even in a FWD car. It's actually more dangerous to put better tires in the front. New tires on the front can cause major oversteer issues if you happen to hydroplane.
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post #5 of 9 (permalink) Old 12-21-2010, 11:37 PM
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I want the best ones up front so car is less likely to hydroplane in a curve and can still steer at safe speeds. It don't take much speed in a light car and half worn tires to get in trouble. I nearly lost it once because the front hydroplaned in a slow curve and couldn't steer till speed reduced enough.
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post #6 of 9 (permalink) Old 12-21-2010, 11:51 PM
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I understand your fear but...understeer is always better and safer than oversteer. Understeer is easier to recover than oversteer, especially in a fwd car. If you hydroplane in a curve, just ease off the gas a bit and straighten the wheel. You will recover control much faster and in a controllable manner. Oversteer is, especially in this example, likely unrecoverable. The added grip from the fronts will more readily induce oversteer, especially off-throttle, with a radically different grip front-to-rear. Think back to most NASCAR single-car crashes. They are almost always as a result of oversteer, on or off throttle. The overwhelming majority of the remaining wrecks are from blown front tires and the resultant loss of control. You rarely see an understeer-related crash. If we where talking about a RWD car, then my argument would be to put them on the rear first...though some here will argue that too

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Last edited by NascarGreg; 12-21-2010 at 11:55 PM.
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post #7 of 9 (permalink) Old 12-23-2010, 12:45 PM
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If the back end is getting squirrly, it is best to have the new tires in back to keep the rear end planted.

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post #8 of 9 (permalink) Old 12-23-2010, 11:07 PM
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Greg, Incident was with 67 Comet Cyclone GT, had Firestone Wide Ovals on Louisville interstate in the rain. Should have waited for the really bad 68. You are certainly right, oversteer gets you in big trouble. I was just talking hydroplaining that scared me that day. Those wide ovals lasted 11K with no power steering and skinny steering wheel. Oh, and 11 MPG and wasn't that fast.
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post #9 of 9 (permalink) Old 12-24-2010, 11:00 PM
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Survey says......new in the rear.............. #1 answer

http://www.tirerack.com/tires/tiretech/techpage.jsp?techid=52

http://www.michelinman.com/tire-care/tire-saving-tips/replacement-questions/ last one

http://www.tirereview.com/Article/81718/always_install_two_new_tires_on_the_rear_axle.aspx#

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