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Speedo gear?

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Old Aug 17, 2016 | 03:14 PM
  #1  
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Speedo gear?

Hi all,
Well I realize that when I change my speedo cable, I throw the old cable in the garbage without knowing that the new cable will come without the gear!! This is what happen when you don't know what you are doing!!
So now I am trying to figure out which gear I need.
My truck is a F100 1974 3 speed manual, SWB and the 9'' have a 3.25 or 3.15 gear in it!
Any help will be much appreciated!
 
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Old Aug 17, 2016 | 03:23 PM
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Originally Posted by mckoloum
Hi all,
Well I realized that when I changed my speedo cable, I threw the old cable in the garbage without knowing that the new cable does not come with the DRIVEN gear!!

This is what happens when you don't know what you are doing!! So now I am trying to figure out which gear I need.

My truck is a 1974 F100 3 speed manual, SWB and the 9'' has a 3.25 gear or 3.15 (no such thing) in it!
C0DZ-17271-A (replaced C0DD-17271-A) .. 16T Nylon Speedometer DRIVEN Gear / Available from Ford & auto parts stores.

1973/74 F100 3 M/T & 3.25 rear axle ratio.
 
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Old Aug 17, 2016 | 03:35 PM
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If you have stock tires this will probably work...it's the lowest (teeth) driven gear available. Still available from Ford, I believe.

CODZ-17271-A Speedo gear/ 16 teeth/ wine
 
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Old Aug 17, 2016 | 04:43 PM
  #4  
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mckoloum
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Thank you very much gentlemen, I really appreciate that.
Live and learn, and learn to not throw anything until I have the replacement part now!!!

I believe they are stock size tire, 275-60R15, this is what the truck had when I bought it 2 years and a half ago.

Number Dummy, thank you, I had the tag when I bought the truck, bring the 9 to a shop for inspection and they lost the tag!! I know that really sucks and the worse thing is they absolutely didn't do anything to fix it!!
So I will do some advertisement for this shop: Duro Transmission on Federal Highway in Delray Beach Florida.
 
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Old Aug 17, 2016 | 04:54 PM
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NumberDummy
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Originally Posted by mckoloum
Number Dummy, thank you, I had the tag when I bought the truck, bring the 9 to a shop for inspection and they lost the tag!! I know that really sucks and the worse thing is they absolutely didn't do anything to fix it!!

So I will do some advertisement for this shop: Duro Transmission on Federal Highway in Delray Beach Florida.
You're gonna need these two puppies also...since they went in the garbage along with the cable & gear.

C1DZ-17292-A .. Retainer Clip-Speedometer DRIVEN Gear to Speedo Cable-C shaped / Available from Ford and auto parts stores.

Did the new cable come with the rubber O-ring? Probably not, so you will also need this:

87036-S94 .. Speedometer Cable O-Ring - 11/16" I.D. / Available from Ford & auto parts stores.

If the rear axle tag is missing: AXLE code stamped on the 2nd line-far right of the Warranty Plate, riveted to the left door face below the latch.
 
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Old Aug 17, 2016 | 05:16 PM
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Thanks again Number Dummy,
The plate on the door is not there anymore, I only have the green sticker.
Those part might be useful too
 
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Old Aug 17, 2016 | 05:26 PM
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NumberDummy
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Originally Posted by mckoloum
Thanks again Number Dummy,
The plate on the door is not there anymore, I only have the green sticker.
Those part might be useful too
You can get a new Warranty Plate with all the correct codes stamped on it by passing along your VIN to martiato.com

A copy of your trucks original build sheet is also available from Marti.
 
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