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How much will rims slow me down?

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Old 05-29-2008, 04:32 PM
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Default How much will rims slow me down?

I'm wanting to get some 18''-20'' rims but because my truck is already not that fast, I want to know how much they will hurt me. I'm not sure what hurts the acceleration other than the added weight (also the extra rotating mass, not sure if that adds to it too), but if I kept the same 29'' tall tires and run 18'' or 20'' rims it should'nt be that bad right? The tires I'm running right now are 255/70/16 which is weird because I thought the stock wheels were 17s and when I measure them I get 17 inches.
Old 05-29-2008, 04:43 PM
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it depends on what rims you get, cast wheels will slow you down, it will be noticable but if you get some forged lightweight rims weight should come out about the same and you shouldnt notice a difference.

i think it would be hard to get a 16 inch tire on a 17inch rim but thats just me
Old 05-29-2008, 04:48 PM
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the face of the wheel is always 1 inch taller than the actual size. what they measure is the actual rim where the bead is.
Old 05-29-2008, 04:53 PM
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Originally Posted by bigroy327
the face of the wheel is always 1 inch taller than the actual size. what they measure is the actual rim where the bead is.

That's what I thought but I wasn't sure, thanks. BTW, how much do the stock 17s weigh?
Old 05-29-2008, 05:01 PM
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Originally Posted by 95 bright teal
i think it would be hard to get a 16 inch tire on a 17inch rim but thats just me
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Old 05-29-2008, 05:14 PM
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It's all about weight. If you are not concerned with busting records I wouldn't even worry about going to 18's. Larger wheels may effect final drive ratios and put excess stress on your trans and brakes, again, I wouldn't worry too much about 18"
Old 05-29-2008, 06:35 PM
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+ 1 on how much stock 17" weigh???
Old 05-29-2008, 06:44 PM
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Originally Posted by 05GTO6SPEED
+ 1 on how much stock 17" weigh???
i got some the other day and with 245/70/17 they weigh about 50lbs
Old 05-29-2008, 06:57 PM
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18s wont hurt you too bad, 20s will. I just went back to 18s and couldn't be happier. Pay attention to the tire weight as well when buying new ones. I went with some centerlines for rims for the lighter weight.
Old 06-03-2008, 10:57 AM
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Yea, Im looking into some 22's and the more I read how much they are going to suck performance wise, the more i wanna back out.


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