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1961 - 1966 F-100 & Larger F-Series Trucks Discuss the Slick Sixties Ford Truck

Speedo Calculation

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Old Aug 12, 2006 | 01:51 PM
  #1  
Ronindog's Avatar
Ronindog
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Question Speedo Calculation

have a 66 slick, swb, 2wd with a 71 torino 302 and mid 70's four speed xmsn.

the speedo is off quite a bit and one way to maybe get to his cause its a heinz 57 variety is to find some of the xmsn end plastic gear part that slips over the end of the speedo cable and with trial and error, get it close to right.

any thoughts, suggestions on this approach and where I could chase down some of those gears would be greatly appreciated.

many thanks to one and all,

be safe

ronindog
 
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Old Aug 12, 2006 | 01:58 PM
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Hey Ron, Welcome to the nations truck stop

I am trying to figure what msn has to do with your speedo. I like using Firefox, myself.

John
 
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Old Aug 12, 2006 | 03:22 PM
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mmmm,

well nothing really.

"xmsn" is the abbreviation we used to use for the helicopters "transmission" in our log books in the service. sorry for the confusion
 
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Old Aug 12, 2006 | 05:17 PM
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attn: terrypen

tried to email back to you, but you have that access path blocked.

crewchief, huey slicks 69 -70 Vietnam,

and

crewchief huey "nighthawk" 70 - 71 Vietnam.
 
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Old Aug 12, 2006 | 06:57 PM
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I unblocked that email thing...

My Huey at Ft Polk was a 69 model, don't remember the one in Honduras as I was a crew trainer and flew on everyone's heli.
What is a 'nighthawk'
you can answer that in email, cus I know this is off topic here.

BTW. I know if you put the gear ratio's (tranny and final)if you know what they are, someone here has all those answers
 

Last edited by terrypen; Aug 12, 2006 at 07:00 PM.
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Old Aug 13, 2006 | 07:10 AM
  #6  
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jowilker
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From: Creedmoor, North Carolina
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Originally Posted by Ronindog
mmmm,

well nothing really.

"xmsn" is the abbreviation we used to use for the helicopters "transmission" in our log books in the service. sorry for the confusion
Helicopters eh, sorry bout the confusion on my part. There are some sites that have calculators for correct gear ID.

Have you checked it against another newer vehicle or a beside of the road speed reader, to get an idea on how far it is off?

John
 
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