Speedometer Question
New User
Joined: Nov 2001
Posts: 9
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From: Yankee Hill USA
Speedometer Question
[updated:LAST EDITED ON 03-Dec-01 AT 01:10 AM (EST)]I have a 1986 Ford F250 Diesel XLT truck and I need help with the following:
I have just changed the factory rear differential (4.11:1) to a 3.54:1. I need to know what has to be done to the speedometer, gear changes, etc.
If parts need to be changed, what are they? Where would be a good place to purchase the parts?
I find that it seems to now be reading wrong and I do not know what to do or what to get to fix it.
Any help will be greatly appreciated.
Also I have a 1986 Ford F250 4.1:1 rear differential with sway bar, hubs and axles for sale. Where is a good place to sell them?
I have just changed the factory rear differential (4.11:1) to a 3.54:1. I need to know what has to be done to the speedometer, gear changes, etc.
If parts need to be changed, what are they? Where would be a good place to purchase the parts?
I find that it seems to now be reading wrong and I do not know what to do or what to get to fix it.
Any help will be greatly appreciated.
Also I have a 1986 Ford F250 4.1:1 rear differential with sway bar, hubs and axles for sale. Where is a good place to sell them?
New User
Joined: Jan 2008
Posts: 0
Likes: 24
Speedometer Question
Speedo gear to fit the new 3.54 gears.
Simple really.
Dennis
First Came the Chicken,
Then Came the Egg,
Or Was It the Other Way Around?
78 F-150 429CJ C6 ,Silver w/Explorer Pkge
641/2 Mustang,Pre-World's Fair Car #8092
64 Fairlane S/C waiting for a 390-4spd.
68-Mustang.Sunlit Gold 80,000 miles
Simple really.
Dennis
First Came the Chicken,
Then Came the Egg,
Or Was It the Other Way Around?
78 F-150 429CJ C6 ,Silver w/Explorer Pkge
641/2 Mustang,Pre-World's Fair Car #8092
64 Fairlane S/C waiting for a 390-4spd.
68-Mustang.Sunlit Gold 80,000 miles
New User
Joined: Nov 2001
Posts: 9
Likes: 0
From: Yankee Hill USA
Speedometer Question
I am brand new to this web site and I do not understand what I should do.
It seems to me that you have an answer to my question, but I was unable to understand the answer which I read. Here is a copy:
"Speedo gear to fit the new 3.54 gears.
Simple really.
Dennis
First Came the Chicken,
Then Came the Egg,
Or Was It the Other Way Around?
78 F-150 429CJ C6 ,Silver w/Explorer Pkge
641/2 Mustang,Pre-World's Fair Car #8092
64 Fairlane S/C waiting for a 390-4spd.
68-Mustang.Sunlit Gold 80,000 miles"
I think this answer was for someone elses question.
Could you please be a little more specific?
Thank You.
Waiting for a reply.
It seems to me that you have an answer to my question, but I was unable to understand the answer which I read. Here is a copy:
"Speedo gear to fit the new 3.54 gears.
Simple really.
Dennis
First Came the Chicken,
Then Came the Egg,
Or Was It the Other Way Around?
78 F-150 429CJ C6 ,Silver w/Explorer Pkge
641/2 Mustang,Pre-World's Fair Car #8092
64 Fairlane S/C waiting for a 390-4spd.
68-Mustang.Sunlit Gold 80,000 miles"
I think this answer was for someone elses question.
Could you please be a little more specific?
Thank You.
Waiting for a reply.
New User
Joined: Jan 2008
Posts: 0
Likes: 24
Speedometer Question
You need to go to an auto parts place > perhaps a Ford dealer and get the Speedometer gear that fits on the end of the speedometer cable and goes into the transmission that applies to the new 3.54:1 axle gears you're changing to .
Dennis
First Came the Chicken,
Then Came the Egg,
Or Was It the Other Way Around?
78 F-150 429CJ C6 ,Silver w/Explorer Pkge
641/2 Mustang,Pre-World's Fair Car #8092
64 Fairlane S/C waiting for a 390-4spd.
68-Mustang.Sunlit Gold 80,000 miles
Dennis
First Came the Chicken,
Then Came the Egg,
Or Was It the Other Way Around?
78 F-150 429CJ C6 ,Silver w/Explorer Pkge
641/2 Mustang,Pre-World's Fair Car #8092
64 Fairlane S/C waiting for a 390-4spd.
68-Mustang.Sunlit Gold 80,000 miles
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