Sat, March 28th, 2009, 03:29 PM
|
|
Bacon King
|
|
Join Date: Jan 2009
Location: Central Coast, CA
Posts: 86
|
|
Quote:
Originally Posted by kevins669
Hi all,
I have been trying to get my speedo and the gryphon to match.
I upgraded the tires in the 04 to 275/65R18...
The gryphon and my gps are pretty much on target, but the speedo is always 2 MPH higher...
No matter what custom tire size I enter.
Any thougts???
Thanks,
Kevin
|
That's by design. Ford programs in a +3% bias in the speedo reading. If your Gryphon matches your GPS, it sounds like you're OK.
__________________
--
2007 F150 XL, 4.6, Regular Cab, Gryphon Installed 2/2009
"voiding warranties since 1979"
|