Will these interchange?

[highcaliber]

I have a '01 F250 psd that has a bad engine. I've located 2 used complete engines but they are both out of '99 F series trucks. How much changed between '99 and '01? Would these be direct replacements or will some of the parts off of the '01 have to be used?

Thanks in advance for your help. This is my first psd and I pretty well got taken. I didn't know what I was doing when I bought it and now I'm paying for it.

[strokin_early_99]

Get the date of MFG. If it was actually made in 99 then it is considered a 99.5 and it is the same as the '01.

Post back what you find out.

[highcaliber]

OK, thanks. If I remember right the '99's starting coming out in late '97. How much difference is there in the psd's manufactured in '97 and '98? Is it enough that I'd want to stay away from them? I'll post what I find out.

I was working at a small Ford dealership whenever the these trucks started hitting the ground in late '97. We couldn't keep one on the lot for more than a day or 2 whenever they would come in. I've wanted one ever since then I just wish I'd bought a little better one. I need it to pull my car hauler...

Thanks again for the help.

[strokin_early_99]

The 97 has different sensors and a different wiring harness so the 97 will not work in your truck.

The early99 made in 98 will work but a true 99 would be the best.

[highcaliber]

Makes sense. Thanks.