I have a 1995 GMC 1500 4X4 I am putting 33x12.50x15 tires on the back and...

MattD

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...32x11.50x15 on the front ? I
Will this hurt my truck in any way
When i bought this truck it had 32x11.50x15 all the way around
7 minutes ago - 3 days left to answer.
 
you CAN NOT have different sized tires on your 4wd truck
unless you can afford the repairs every day THEY HAVE to ALL 4 be the same size
 
These members are correct to tell you that it will rip your 4wd apart. This is because your front tires will spin faster than your rear. When in 4wd, all tires are locked in together. When all four are locked in together and you have one set spinning faster than the other, you will damage your system because the back tires are going to be trying to push your front tires faster and viceversa, that is unless you can even get it into 4wd in the first place. If you are moving at all and you try to engage, your transfer case will grind every time you try to push it into 4wheel.
 
These members are correct to tell you that it will rip your 4wd apart. This is because your front tires will spin faster than your rear. When in 4wd, all tires are locked in together. When all four are locked in together and you have one set spinning faster than the other, you will damage your system because the back tires are going to be trying to push your front tires faster and viceversa, that is unless you can even get it into 4wd in the first place. If you are moving at all and you try to engage, your transfer case will grind every time you try to push it into 4wheel.
 
It will throw off your speedometer a little more, but I would try to keep the same tire size all the way around. If not, the front tires will rotating at a different speed than the back while in 4WD. In 2WD it won't matter because the transfer case is disengaged.
 
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