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

Looking for a new motor

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Old Jun 13, 2006 | 12:01 PM
  #1  
84f250steve's Avatar
84f250steve
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Looking for a new motor

Hi, I have a 1984 F-250 4x4 with a 351M that I have “blown” the motor on. The truck is not an everyday driver because I have been working on resorting it to a show truck condition. I wanted to UP the Horse Power by dropping a bigger motor into it. I believe I have a C6 trans. I was wondering what motor would bolt up to it.
 
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Old Jun 13, 2006 | 12:35 PM
  #2  
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fellro86
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From: Marengo, Iowa
A 460 shares the same bell, or you could find a 429 so you can say something different than everyone else...
 
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Old Jun 13, 2006 | 12:51 PM
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From: Bend,OR
are you sure its a modified and not the windsor? because the bolt pattern/tranny would be different
 
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Old Jun 13, 2006 | 01:29 PM
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8 Lugs
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From: Easthampton, Ma.
82 was the last year for the "M"
Steve G.
 
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Old Jun 13, 2006 | 02:08 PM
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So its my mistake before for not telling, my dad bought the truck a year old and he said that the motor was a 351 HO. he said it had different modifications from the factory, and that the motor was a rare motor. It has different heads, intake and it also came with different exhaust manifolds. it produced around 385 Horse power. about a year ago we had to put a newer rear-end in it because the stock went out…we replaced it with a Dana 70 full float. so it should hold up with a bigger motor, right?
 

Last edited by 84f250steve; Jun 13, 2006 at 03:04 PM.
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Old Jun 13, 2006 | 05:48 PM
  #6  
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Coneynew
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From: Cochranville, PA
I just got back from my local salvage yard. Nice people to deal with in terms of price and assistance. I have been puling parts for 80-86 Fords for a couple of years from them.

If you are interested, my friend just purcahsed some items from a gentleman that just sold many of his business items. He advised me he has a new Jasper 351 engine (still on the stand, never installed) and a rebuilt C6 tranny.
If interested, send me a note and I'll eitehr give your info to him or vs versa or even post it. I am considering the C6 tranny since I have that in my 1985 Ford F-350 w/ 460 cu, just to have a spare. I could easily find out if it is the 351 HO, but I thought he did mention 351M. I could maybe even get some pics posted of everything, if anyone else is interested.

Coneynew
 
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