Ford Forums banner

1 - 2 of 2 Posts

·
Registered
Joined
·
1 Posts
Discussion Starter #1
I have a 96 grand marquis ls with the digital dash and I would like to swap out the 2.73s for 3.55s how do I reprogram the speedometer?
 

·
Super Moderator
Joined
·
8,664 Posts
It still uses a gear/worm gear assembly. Got to go old school and measure things out.
 
1 - 2 of 2 Posts
Top