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

Engine swaps

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Old Oct 8, 2003 | 01:32 PM
  #1  
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lilmoses
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Engine swaps

hey i am looking at swapping a 351 Windsor in to my 85 F150. Right now it is a 4 speed manual Strait 6. it is reliable but i need something more to make it up my drive way in the winter. plus i need a little fun on the weekends. so the obvious is to drop in a 351 but i want to see how easy it is so i dont get in to deep. thanks for the help



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Old Oct 8, 2003 | 07:59 PM
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allv8fords
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From: ann arbor mi
im not sure if it will line up with the bell housing for the 300 i6. if not a new bellhousing and definitely a new clutch , bigger radiator and motor mounts.. if you get a used or junkyard motor try to get all the pullys and brackets with it or youll need those too..if the i6 was fuel injected and u want to have it carberated now youl need a lower preassure fuel pump or a fuel pressure regulator..also ignition may be an issue depending on the engine you get.. sounds like a lot but not to bad.. good luck
 
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Old Oct 9, 2003 | 09:11 AM
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ecarter50
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Bellhousing is the same for 300 and 351w.
 
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Old Oct 9, 2003 | 04:17 PM
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From: GANS
the bellhousing is that same. you need both motor stands (the metal mounts). as long as you use the metal mounts for a 351w, everything will drop in fine. The alternator will fit on the 351w (with the 351w backets, of course), however, the V-groove in the double pulley is smaller on the 6. you can use the 351w windsor belt, or go to a place and get a belt the same length, but more narrow. the power steering should fit too.

btw, i've never seen a injected '85 6. could be possible though.
 
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Old Oct 9, 2003 | 06:17 PM
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Jimbare
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From: oklahoma
the flywheel will not work on the 351. 300 is balanced different.
 
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