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1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks Discuss the Early Eighties Bullnose Ford Truck

Need help decoding door codes

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Old Aug 12, 2004 | 12:11 PM
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Meche
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Need help decoding door codes

I just got a new to me 86 F150 4x4 and I'm trying to figure out what is in it. I know it has an I-6 engine and a NP208 transfer case and what appears to be a rear Ford 9" axle.

My door code says Trans=k Axle=16 and spring=BL

What gear ratio is the front and rear axle, what is the rear axle 9" or 8" and what are the spring rates?

Thanks,
 
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Old Aug 12, 2004 | 12:44 PM
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82F100SWB
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From: Dryden, ON, Canada
Transmission is a C6, axle is a 9" with 3.50 gears. As for the springs, BA only decodes to the engineering numbers, not the spring rates.
 
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Old Aug 12, 2004 | 12:49 PM
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ecarter50
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Trans K - C6 automatic
Axle 16 - Ford 9" with 3.50 ratio, 3750 lbs capacity
My book doesn't give spring rates just part numbers for front and rear springs.
 
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Old Aug 12, 2004 | 02:56 PM
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Try here:

https://www.ford-trucks.com/articles/2003/9.php
 
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Old Aug 12, 2004 | 10:39 PM
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82F100SWB
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Ken, that decoder is useless for an 80-86, first off it doesnt' have the majority of Codes used back then, and, second, Ford has changed code definitions along the line also. Heck, I don't think it's on the mark for a 96 either...
 
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