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Thread: Tires affecting speedo?

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  1. 02-14-2010 07:54 PM #1
    07TBSS
    07TBSS is offline Junior Member
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    Tire Size Calculator - tire & wheel plus sizing
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  2. 02-15-2010 12:47 AM #2
    Madd Maxx
    Madd Maxx is offline Senior Member
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    It's a linear relationship. Going down 2" changes your tire size by about 6½%, so at 70 mph your indicated speed will be off by about 4½ mph.
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  3. 02-15-2010 06:47 AM #3
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    Show&Go
    Show&Go is offline Senior Member
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    Handled. Being its hardly off Imma run my 22s. My truck is going to look like a skyjacker! Low pro 22s on a stock height SS

    06 Intimidator SS- Tuned, CAI -DD
    03 Silverado- Last incarnation 13.6... RIP
    Ls1, Pnp heads, Polluter camshaft, spray, 4k stall on the way
    "Seize the day like you seize your noodle" - Shin Chan
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