F250 installing a used Short Bus motor - Ford Powerstroke Diesel Forum
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post #1 of 7 Old 09-26-2012, 08:22 AM Thread Starter
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F250 installing a used Short Bus motor

So my 2002 F250 motor is "dusted" at 213K miles, major white smoke at startup, lots of blow by, low compression on #8, etc. Most likely it is the rings. So I began my search for a new or replacement motor several months ago. Due to cost reasons, I settled on a used motor. I ended up purchasing a motor out of a 2001 "fleet maintained" "Short Bus" with 170K it is being delivered complete with a van turbo, and all accessories. "It ran good when pulled and had no blow-by."

I really just want this to run well when I install it. My mechanic buddys are telling me I need to take the heads off, inspect it, new studs and head gasket before I put it in the truck. While I do see the validity in this as I do not personally know the exact history of the motor, is this really necessary with a 7.3 that I intend to keep mainly stock?

Also, I have a recently rebuilt (20k ago) turbo with an ATS housing, wicked wheel, and EBPV valve delete pedestal on my truck now, should I use this turbo on the new truck, or switch to the van turbo?

Is there anything else I really need to do before doing this motor swap?

Thanks for the help
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post #2 of 7 Old 09-26-2012, 08:42 AM
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I wouldn't pull the heads. I don't really see a point. It was probably pretty well taken care of other than the fact that it was probably driven hard.

I don't believe you can use the van turbo. I think they are set up a little different and will not bolt up to your exhaust. The valve covers will also be different and you'll need to swap those from your old motor.

Also I'd rebuild the oil cooler since the motor is out. It's probably going to leak if its not already with that many miles. The o rings get dried out and crack.


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post #3 of 7 Old 09-27-2012, 06:49 PM
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Also swap out the injectors cuz they will be different too. And I've seen trucks with 500k with the original oil cooler so you might get by with that.
Remember the van engine is what was put in the early 99 trucks.


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post #4 of 7 Old 09-27-2012, 08:23 PM Thread Starter
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Schnot, Thanks for the tip on the oil cooler, it looks like a dirty job, and I would much rather do it while the motor is out of the truck and mostly empty of fluids. I will reuse my valve covers and turbo. Glad you said there is no reason to take the heads off. Do I have to change out an exhaust manifold also?

700, The motor is from a 2001 e350 van, does it not just have AD injectors? I would eventually like to get some AC's or stage 1's and a chip from one of the tuners on here, need to save some $$$. For now, I just want to put it in and get it running without the ton of smoke like I have now. This thing has to pass smog here in CA soon.

Is there anything else I need to do to before the swap to make my life easier down the road?

Thanks again to all on Powerstroke.org, I have learned a lot here.

Cheers,
Mark
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post #5 of 7 Old 09-28-2012, 06:43 AM
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what you want for the old motor? Good luck with the swap.

99.5 x-cab 7.3l, 6spd, 161k miles.....
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post #6 of 7 Old 09-28-2012, 04:55 PM Thread Starter
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Timmy, when the new motor is in and running, I will sell the one with known bad compressioin in ##8 for fair market value as a rebuidable core.

Is there anything else I should do before swapping the motor?"
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post #7 of 7 Old 09-29-2012, 07:05 AM
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when you remove the vc's, you'll know what injectors are inthere. I'd also, if $$$ allows, do the up pipes. My opinion, is the FELPRO replacement gaskets are as good as gold. I just did the swap to a buddys truck, and felt as though, we just saved 500 buks. But, its your call. Anyway, uppies i'd take a look at to, with motor out. Also, depending on weathers' you see, maybe the oil pan, either glaze it with POR15 or replace with new and line X it.

99.5 x-cab 7.3l, 6spd, 161k miles.....
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