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post #1 of 4 (permalink) Old 11-02-09, 05:07 PM Thread Starter
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351w or 460?

i have a 1990 f-250 with a 351w and a 1979 f-250 with a 460. i was thinking of swapping the 460 into the 1990. i hear its a lot of work and money and that its not worth it. Did anyone do an engine swap before?

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post #2 of 4 (permalink) Old 11-11-09, 07:52 PM
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Re: 351w or 460?

First, check with local emissions laws. You might be better sticking with the 351. With it being a 1979 460, the 351 more than likely puts out more power and similar torque numbers. I'd leave it as is and part with the 460. Electronic complications might also arise, as if the 1990 has OBDI then it won't be feasible as the 460 isn't electronically controlled.

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post #3 of 4 (permalink) Old 11-21-09, 05:34 PM
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Re: 351w or 460?

To add to 360's post ( listen to him ). Nothing fits. Both transmissions are different.
Exhaust system is different. Then you have to strengthen the front end to hold up the
460 and it's much bigger transmission. It will work if you have a big enough hammer a blue tipped wrench lots of time and money and oh yah, a good welder helps.
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post #4 of 4 (permalink) Old 11-25-09, 07:58 PM
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Re: 351w or 460?

I'd be concentrating on a '79 restore.
That engine swap would be a nightmare all around.
Front springs, shocks, rear axel wrap-up, etc. would be waiting after you got it almost running nice.

WOW, talk about a anti-Obama buy-out on the autos....
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