Also see if he will take some of the # on the block and Im sure someone can confirm if it's a 390 or not. 
Is this engine worth the drive?
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Junior User
Joined: Nov 2011
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From: East Texas
Is this engine worth the drive?
I am looking for a 390 to rebuild for my 73 F250. I found this on CL:
Ford 390 engine 1975
The seller provided the following by email:
It is a hour drive from where I am at, and I have never purchased an engine this way before. Would any of you take a gamble on this?
Ford 390 engine 1975
The seller provided the following by email:
a long block, has dist. no carb, stock manifold [4bbl], no flywheel or flex plate, has oil pan, no ex. manifolds,has water pump and timing cover. came out of a 75 ford f250 that was rear ended, my friend bought it to put in his 71 but has to move sold the truck to someone who is putting a diesel in it so he did not need the motor. This is a good running motor.
Freshman User
Joined: Oct 2011
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From: Hamilton
300$ aint bad even if the crank and rods are screwed. you can hone the block get a new forged crank and rods and if you are going to run the motor hard over 3000 rpm alot make sure to put holley jets #60-80 in your oil passages so you dont starve the bottom end for oil.
Post Fiend
Joined: Apr 2008
Posts: 8,261
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From: Big Sky Country
Is this '75 F250 a 4x4? if so, then the 390 came from elsewhere as Ford never put a 390 in a 4x4, not that it's a huge deal but i'd want to know the FE's true origins.
having said that be sure to check it's even a 390 and not a 360, they try to get passed off as such quite often.
360=3.50" stroke 390=3.78" stroke.
having said that be sure to check it's even a 390 and not a 360, they try to get passed off as such quite often.
360=3.50" stroke 390=3.78" stroke.
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Junior User
Joined: Nov 2011
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From: East Texas
The first question that popped into my head is if this was really a 390 or not. But since I won't know until I drive up there, that is just going to be a wait-and-see type of thing. Since I also assume that this engine is completely assembled, I am mostly concerned with how big or a risk am I taking with this "running 390" if I get it home and it is not. If the block is shot, but the rods and crank are good, would I be able to recoup some of my $$?
Postmaster
Joined: Oct 2010
Posts: 4,656
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From: Northern and Southern Cal
I am looking for a 390 to rebuild for my 73 F250. I found this on CL:
Ford 390 engine 1975
The seller provided the following by email:
It is a hour drive from where I am at, and I have never purchased an engine this way before. Would any of you take a gamble on this?
Ford 390 engine 1975
The seller provided the following by email:
It is a hour drive from where I am at, and I have never purchased an engine this way before. Would any of you take a gamble on this?
An hours drive is nothing if you have a need.
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Ford Parts Specialist
Joined: Nov 2006
Posts: 88,826
Likes: 785
From: Simi Valley, CA
All you will find are castings numbers, which are foundry marks and so are worthless, because they cannot be cross referenced to Ford part numbers.
Pics won't help either as all 1965/76 FE engines look identical.
1958/64's have an oil fill tube and rounded valve covers w/o any holes in them. 1965/76's have pent roofed shaped valve covers with holes in them for oil cap/smog valve.
1968/76 360/390's share the same block (and casting numbers!) as the bore is the same (4.05"). The only difference between the two is the stroke.
390 (3.78") has different crank, pistons, rods and rings than the 360 (3.50"). Everything else is the same.
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