Tire Question
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Senior User
Joined: Jun 2004
Posts: 148
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From: Deep in the heart of TX
Tire Question
I currently have 4 P235 70-R16 tires on my F150. I have an opportunity to buy 4 lightly used P265 70-R16 tires. If I make the change, would I have to get my speedo recalibrated?
Thanks.
Thanks.
Posting Guru
Joined: Dec 2003
Posts: 1,097
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Go here, you can get an estimate on how far off it will be.
http://www.discounttire.com/dtc/broc...tireMathNS.jsp
Don't forget about the spare. Either get one the same size or make sure you use the spare only on the front.
http://www.discounttire.com/dtc/broc...tireMathNS.jsp
Don't forget about the spare. Either get one the same size or make sure you use the spare only on the front.
New User
Joined: Mar 2005
Posts: 10
Likes: 0
From: Wilsonville, Al
I think so. My brand C truck came with 235/75/16's and I changed them to 265/75/16's. The speedometer was registering about 10 mph less than I was going as I recall. I purchased one of the computer programer devices and recalibrated it myself along with timing, transmission shift, etc.
