16 to 17
Thread Starter
Junior Member
Joined: Jan 2011
Posts: 29
Likes: 0
From: Canada
16 to 17
Just changed my 235/70r16 bfgoodrich
To a 265/70R17 goodyear wrangler the truck sits about 2 halfninches higher anf my tach is of
Ifnim doing 80 im actually doing 88 or 90 should i get this re programmed what do you guys think
To a 265/70R17 goodyear wrangler the truck sits about 2 halfninches higher anf my tach is of
Ifnim doing 80 im actually doing 88 or 90 should i get this re programmed what do you guys think
Senior Member
Joined: Aug 2011
Posts: 2,751
Likes: 101
From: CT
It won't hurt anything but your odometer will be off as well. I'm getting a SCT programmer to correct for my 35's......well and for more performance too.
Geek-a-saurus Rex
Joined: Sep 2010
Posts: 353
Likes: 1
From: So Ill (that's southern Illinois)
Some years of F150's have to have a little gear at the end of the spedo cable that has to be replaced to correct your spedometer.
Like these, but I don't know which one you would need. http://www.transmissioncenter.org/Fo...eter_Gears.htm
Like these, but I don't know which one you would need. http://www.transmissioncenter.org/Fo...eter_Gears.htm