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tire size vs speedometer error

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Swamp Donkey

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jmtandem

TDR MEMBER
Is there a simple way to figure the speedometer/odometer error using 285 tires in deference to the stock 245's. I drove the truck with GPS and it appears that the error is almost 10 percent. Any ideas?
 
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Issue 128 – Digital Version
Digital Magazines
FREE!
TDR Test Drive - Digital Edition
Renew
Subscribe
Gift Subscriptions
Back Issues
Subscription Status
Address Change Form
Buyer's Guides
Ram Diagnostic Trouble Codes
The Perfect Collection
The Perfect Collection Vol. II
TSB Updates
Dodge/Cummins Historical Overview
Cameron Collection
What Makes Us Tick?
Product Showcase
Advertising



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