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Old 07-24-2017, 10:31 PM   #1
MrKing8988
 
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Rim size question

Will a bigger rim cause my rpm to be a little lower at freeway speeds???
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Old 07-24-2017, 11:15 PM   #2
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It depends on the diameter of the tyre you install.
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Old 07-25-2017, 02:44 PM   #3
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In theory, yes...
If it's a massive change it might have an adverse effect, depending on how your transmission is set up.

(This is just in theory, by my small amount of knowledge in how gears work together and such)
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Old 07-25-2017, 03:31 PM   #4
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Quote:
Originally Posted by Cezza07 View Post
In theory, yes...
If it's a massive change it might have an adverse effect, depending on how your transmission is set up.

(This is just in theory, by my small amount of knowledge in how gears work together and such)
It sounds like you may be confusing wheels (rims) with tyres.
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Old 07-25-2017, 08:19 PM   #5
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no. it will not effect the RPM. it changes the speed reading on the speedometer. you are driving slower but think you are going faster
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Old 07-25-2017, 08:54 PM   #6
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Yikes! Changes in tyre diameter, not rim diameter, do indeed affect the car’s cruise rpm... and its acceleration.
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Old 07-26-2017, 01:18 AM   #7
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Sorry, I figured bigger rims = bigger tires, and was working with that logic.
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Old 07-26-2017, 07:08 AM   #8
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http://www.yarisworld.com/forums/showthread.php?t=5021
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