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Old 07-22-2009, 05:16   #1 (permalink)
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390 to 460 swap

I have a 74 F-250 with a 390, and another half ton ford with a built 460, i bought the half ton a while back and got to drive it for 4 hours before the transmission gave up, and i'm looking to get rid of it and slap the motor in my 74 to replace the tired old 390, i'm curious what problems i'll have with the motor mounts? or should it drop right in? on ''eyeballing'' it, it looks like i shouldnt have too many problems and shouldnt have to weld in anything, but its hard to say because the half ton was a 300-6 to a 460 swap, so the previous owner obviously had to make some custom mounts, so it looks a little wierd to determine if they're the same or not.

Anyone know whether or not the mounts on the frame are the same for a 390 as they are for a 460?

Thanks
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2002 Expedition 3/4 ton XLT

1977 F-150 short bed 4x4 460

1974 F-250 long bed single cab, 4x4, Dana 60's front and back, 390

1992 Miata...
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Old 07-22-2009, 05:19   #2 (permalink)
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Re: 390 to 460 swap

Both trucks are 4wd also
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The more people I meet, the more I like my dog.

2002 Expedition 3/4 ton XLT

1977 F-150 short bed 4x4 460

1974 F-250 long bed single cab, 4x4, Dana 60's front and back, 390

1992 Miata...
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