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

How to tell

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Old Apr 15, 2004 | 08:04 PM
  #1  
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bgumz
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How to tell

Hello everyone. I recently bought a 1980 F-250 to rebuild and use as a truck for hunting. My question is how can you tell if my 351 is a 351 Windsor? Any info would be appreciated. Thanks.
 
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Old Apr 15, 2004 | 08:16 PM
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Stokes
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From: Marysville Wa
its probably a M-block judging by the year. sorry cant help much more than that. you can look on my webpage to see pics of Windsor if it will help any.
 
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Old Apr 15, 2004 | 08:23 PM
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nickmobile67
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Count the number of bolts holding down the valve covers, 6 bolts per cover is a winsor, more (8? Don't recall exactly) is the M
 
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Old May 17, 2004 | 04:47 PM
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myddad
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From: florida
Smile how to tell

the 351m has 8 bolts in the valve covers
 
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