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1967 - 1972 F-100 & Larger F-Series Trucks Discuss the Bumpsides Ford Truck

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Old Feb 3, 2002 | 04:23 PM
  #1  
dickboyd69's Avatar
dickboyd69
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From: Garden City Kansas
speedo

hello I have a 71 f-100 and have a question. I am wanting to get my speedo right on. I have a c6 tranny and 3.00 gears in my 9 incher. My tires are 31 inch bfg's. My auestion is on my speedo gear. How many teeth do i need to get it right.
thanks Richard
 
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Old Feb 3, 2002 | 04:29 PM
  #2  
MGT351's Avatar
MGT351
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From: Munford Tn
speedo

Do you know what speedo gear your truck has now? You will want something with less teeth to speed it up since your 31's are taller than factory.
 
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Old Feb 3, 2002 | 05:55 PM
  #3  
Mil1ion's Avatar
Mil1ion
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speedo

Have a look at this site.


http://www.seansa4page.com/resource/autotech.html

Dennis



Please Don't Ask Me Any Tough Questions As:
"I'm Saving My Memory For When I Develop Alzheimer's"


78 F-150 429CJ,Silver
w/Explorer Pkge.
641/2-Mustang 260,Pre-World's Fair Car.
64-Fairlane500 S/C waiting for a 390-4spd.
68-Mustang 289-Sunlit Gold 80,892Mi
78-Buick LeSabre 403 4V
84 Volvo DL Wagon
 
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Old Feb 3, 2002 | 06:30 PM
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oleblue70
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speedo

 
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