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Discussion Starter #1
Just wondering how big of tires can I put on a 2003 trailblazer LS...I want to put some 18" rims and tires on it, but I dont want to mess up my vehicle in anyway...is it worth it??Thanks in advance
 

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255/50-20 is the largest that you can go with stock rims 16", not certain about 18" rims.
 

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RE: thanks steve

What are you looking to do? Get the most tire that you can without having to do a suspension lift, etc?

I'd take a trip down to a tire/rim shop and see if they can give you some advice. I'd be interested in hearing as well.
 

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Transmition shift points

with 20's, will I have to have the shift points reset and the speedo?
 
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