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Old Dec 2, 2019 | 06:44 PM
  #1  
gman97005's Avatar
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V10 motor swap

i have a 2008 E350 with a 310hp 6.8l V10 2-valve engine, the engine is blown..
i have a 362hp 6.8l V10 3-valve engine out of a super duty, the engine is good..
i want to put the 3-valve motor in the E350, can i flash the E350 PCM to run the 3-valve motor or do i even need to flash the PCM?
 
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Old Dec 3, 2019 | 05:08 AM
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Due the sensor array of the 3V it would not be compatible with the 2V wiring & PCM. Wiring connections to those sensors, the COP's and injectors would also not be the same between the two different series.
 
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Old Dec 3, 2019 | 09:37 AM
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You'll definitely want everything to come from the truck if you have it. Not as simple as plug and play with a flash.
 
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Old Dec 3, 2019 | 11:12 AM
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There was a reason Ford never put the 3-valve in the E-series chassis. What that reason is? I don't know. But beware, that reason may pop up in mysterious ways.

The E-series 2-valve uses a different oil-pan than the 2-valve F-series. Does the 3-valve have a different pan layout? Can an E-series 2-valve pan be used on a 3-valve, along with the oil pump pickup (which is also different) ?

The E-series I believe also uses a different oil cooler adapter, which I think puts the oil filter in a different location. Can that 2-valve oil cooler adapter be used on a 3-valve? All these questions would need to be answered before I would even THINK of using a 3-valve in an E-series.

It could also be something as simple(ish) like the throttle body sticks up too far to fit in the engine bay.

 
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