Basic engine swap ?
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Joined: Jul 2009
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Basic engine swap ?
I am not that knowledgeable about the older fords, but my buddy was looking at a 66 f250 4x4 that had the original engine removed and a 390 installed. Is this a nut for bolt replacement? Same block and motor mounts used or is this something that requires modification to the truck in anyway? Thanks in advance, Paul
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Joined: Sep 2011
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From: Salem, Oregon
My friend dropped a '67 390 Thunderbird motor in my '66 F250 and it was pretty straight forward. I wasn't directly involved with the nuts and bolts of it, but it came together well. There are pics in my gallery. In fact the old headers bolted right up. The way the story goes, the original owner pulled the 352 out years ago and dropped in a 428. I bought it with no engine. That's where the 390 comes in. 315 horses beat 172 in my book.
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Joined: Jan 2012
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From: Whitefish
Yes
Yes, they are basically the exact same... There are most likely differences with the blocks internals, depending on the block you have. Some blocks can handle more bore or have reinforcement webs in places and are thus "stronger".
My father has a 69 Highboy that has a second generation Mercury Marauder 390 in it when we got it. I remember there being some difficulty with bolt on parts and getting replacements at Napa but the guys there figured it out.
Whoever put it into the truck did a ridiculous job. The tried to fabricate "motor mounts"... basically engine was set on the frame rails and tied down with chains bolted to the headers.... it was rough...
Good luck
My father has a 69 Highboy that has a second generation Mercury Marauder 390 in it when we got it. I remember there being some difficulty with bolt on parts and getting replacements at Napa but the guys there figured it out.
Whoever put it into the truck did a ridiculous job. The tried to fabricate "motor mounts"... basically engine was set on the frame rails and tied down with chains bolted to the headers.... it was rough...
Good luck
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