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College User
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2,013 Posts
Discussion Starter #1
Does anyone have the conversions for the speedo when running 33s. I know I could change speedo gear but I run smaller tires now and then so it is best to keep stock. Thanks.
 

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OUT OF BUSINESS / M.I.A.
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10,875 Posts
all I know is that the stock 235/3.55 = 33/4.11 = 35/4.56
so you might have t odo some math :goodfinge
 
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Fireguy50 said:
all I know is that the stock 235/3.55 = 33/4.11 = 35/4.56
so you might have t odo some math :goodfinge
arent those the actual "gear ratios?" i thought he was talking about the difference in speed with the bigger tires? thats probably what your saying, im just to retarded to comprehend!
 

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College User
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2,013 Posts
Discussion Starter #6
I did searches with all different names and nothing useful, and I want what my speedo really is like 45mph = 57 mph.
 

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ate lug
88 + 96 broncos, 96 F250
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8,515 Posts
Its a percentage, so its going to be less accurate the faster you go.
Here is a link to a bunch of good calculators, including one thatll give you your 'corrected' MPH. I used it before i recalibrated my truck's speedo, and it was pretty accurate.
 
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