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What is the widest tire you can put on a stock R/T rim? Just curious because I've been having serious traction problems lately and don't really want to spend the money for new wheels too. I just want a few more mm of tire.
 

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What is the widest tire you can put on a stock R/T rim? Just curious because I've been having serious traction problems lately and don't really want to spend the money for new wheels too. I just want a few more mm of tire.
This seems to come up every couple of days. A quick search should net you loads of responses.

Best,
 

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OK, I look at the calculator and have same questions as the guys above, i want more traction/wide tire. so does anyone have 265/50r18's on a charger r/t?? or should i use 255/50?? how much does the speedo get thrown off??
 

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If you had 235/55/18 are 715 mm (28.1'')and switch to 265/50/18 are 723 mm (28.5'') 8 mm (1.1%) taller.
When speedometer reads 60mph (96.6km/h) actual speed will be 60.7mph (97.7km/h): 1.2% faster.

If you had 225/60/18 are 727 mm (28.6'')and switch to 265/50/18 are 723 mm (28.5'') 4 mm (0.6%) shorter.
When speedometer reads 60mph (96.6km/h) actual speed will be 59.7mph (96.1km/h): 0.5% slower.
 
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