Ford Truck Enthusiasts Forums

Notices
1973 - 1979 F-100 & Larger F-Series Trucks Discuss the Dentsides Ford Truck
Sponsored by:
Sponsored by: Moser

Speedometer

Thread Tools
 
Search this Thread
 
Old Apr 28, 2007 | 10:33 PM
Share
  #1  
semperfiob's Avatar
semperfiob
Thread Starter
|
Freshman User
15 Year Member
Joined: Apr 2007
Posts: 27
Likes: 0
From: Yuma
Thumbs up Speedometer
What do I do? I bought a 74 with a 78 front end the speedometer is off. I think its because of the lift. What do you do to fix this
 
Reply
0
Old Apr 28, 2007 | 11:38 PM
Share
  #2  
Mil1ion's Avatar
Mil1ion
New User
Joined: Jan 2008
Posts: 0
Likes: 24
Welcome to the site

Put as speedometer cable on it ?

What do you mean the speedometer is off ?

Off -reading the actual speed ?
 
Reply
0
Old Apr 28, 2007 | 11:44 PM
Share
  #3  
semperfiob's Avatar
semperfiob
Thread Starter
|
Freshman User
15 Year Member
Joined: Apr 2007
Posts: 27
Likes: 0
From: Yuma
Sorry about this one too. It does read but its about 20mph slow. When i'm doing 50 it says 30
 
Reply
0
Old Apr 28, 2007 | 11:49 PM
Share
  #4  
Mil1ion's Avatar
Mil1ion
New User
Joined: Jan 2008
Posts: 0
Likes: 24
click this and see the speedo calibration tech article.

https://www.ford-trucks.com/calculators/index.php

Your question should have been : How to recalibrate speedometer ?
 
Reply
0
Old Apr 28, 2007 | 11:53 PM
Share
  #5  
LxMan1's Avatar
LxMan1
Moderator
Joined: Dec 2001
Posts: 22,436
Likes: 17
From: Louisville,Ky.
You need to change the gear on the end of the cable. You are about 40% off so you would need a gear with 40% more teeth. So if you have say 12 teeth on the gear now, you would need approx. 17 teeth. This should get you close. Most Ford dealers stock the speedo gears.
 
Reply
0
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
Speedometer problems
50trucking
1948 - 1956 F1, F100 & Larger F-Series Trucks
1
Sep 23, 2014 03:13 PM
1892 F250 Speedometer Problem
howardsamycia
1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks
4
Mar 1, 2014 12:20 PM
Possible to tap into wire for Speedometer
jam92102
2004 - 2008 F150
4
Mar 16, 2010 05:04 PM
94 Explorer Speedometer jumps
tagunderson
Explorer, Sport Trac, Mountaineer & Aviator
2
Aug 8, 2004 09:43 PM
Loud speedometer!
kameronth
1978 - 1996 Big Bronco
4
May 5, 2004 05:39 PM
Tags
Back to Subforum
1973 - 1979 F-100 & Larger F-Series Trucks
View Next Unread
Gears?




Advanced Search
Reply Closed Thread Share
Forum Jump

All times are GMT -5. The time now is 11:01 AM.

story-0
Top 10 Fords at 2026 Carlisle Ford Nationals

Slideshow: Top 10 Fords at 2026 Ford Nationals

By Joe Kucinski | 2026-06-09 11:10:08


VIEW MORE
story-1
3 Best / 3 Worst Parts of Modern Ford Ownership

Based on years of owning multiple modern Ford products.

By Brett Foote | 2026-06-09 10:53:36


VIEW MORE
story-2
10 Amazing Upgrades That Solve Common Ford Truck Owner Headaches

SPONSORED: From muddy boots to rain-soaked cargo, these upgrades address some of the most common frustrations Ford truck owners face every day.

By Pouria Savadkouei | 2026-06-08 18:50:34


VIEW MORE
story-3
Every 2026 Ford Engine Explained

Here's everything you need to know about every Ford engine available for the 2026 model year.

By Brett Foote | 2026-06-05 12:58:01


VIEW MORE
story-4
10 Ugly Ford Trucks That We Still Kinda Love

Slideshow: 10 ugly Ford trucks that we still kinda love.

By Joe Kucinski | 2026-06-03 09:51:16


VIEW MORE
story-5
10 Things Every Truck Owner NEEDS (2026 Edition)

Slideshow: the best gifts for dads & grads

By Michael S. Palmer | 2026-06-03 15:43:58


VIEW MORE
story-6
Rezvani's Latest Post-Apocalyptic Monster Is a Ford F-150 Raptor Underneath

Slideshow: Called the Fortress, the 850-horsepower pickup combines Raptor underpinnings with military-inspired features, survival equipment, and a starting price of $285,000.

By Verdad Gallardo | 2026-06-03 11:38:36


VIEW MORE
story-7
Top 10 Most Expensive Ford Trucks Ever Sold on Bring a Trailer

Slideshow: 10 most expensive Ford trucks ever sold on Bring a Trailer.

By Joe Kucinski | 2026-05-27 16:24:34


VIEW MORE
story-8
2027 Ford Super Duty Buyer's Guide (Every Model, Engine, & Package)

Here's everything that has changed for the latest model year.

By Brett Foote | 2026-05-27 16:17:28


VIEW MORE
story-9
Top 10 Ford Truck Tragedies

Slideshow: Top 10 Ford truck tragedies.

By Joe Kucinski | 2026-05-18 19:34:33


VIEW MORE