Ford 3.5 Ecoboost Application for Certification

F

FoMoCoSHO

New member
http://www.epa.gov/otaq/datafiles/FOI_FFMXV03.5VEP_APP_UPD_R00.PDF

So I was researching our fuel pump and came across this.

Lots of interesting changes including....

Injector O rings upgraded to handle methanol...

The upgraded cam cover pcv assembly...

They changed the pump voltage max to enhance fuel pressure out of the HPFP...(funny story last night I got a wild hair and went for an hour drive after I added 4 gallons of corn to the 1.5 of E30 in my tank. )

Intercepter PTU added code to increase prime time from 10sec to 12 sec...

It's a long document but it has lots of cool info, calibrations, curb weights, loaded weights, etc.

Enjoy


 
Calibration change...

"Set parameter “Fuel_type_pri”  = 1 for gas, single fuel"

Huh, wonder what the other options are?
 
Nice find, FoMoCoSHO, interesting reading ...  Particularly, for me, pg 77 and 82+.  Those looking for updated part numbers will enjoy pg 88.
 
Title: Application for FORD MOTOR COMPANY 2013 model year test group DFMXV03.5VEP (Update)
Abstract: This test group contains a 3.5 liter engine certified to Federal Tier 2 Bin 5 standards. List of vehicle divisions and models: FORD DIVISION: EXPLORER AWD, FLEX AWD, TAURUS AWD, TAURUS POLICE AWD LINCOLN TRUCK: MKS AWD, MKT AWD, FORD DIVISION: FLEX AWD, TAURUS AWD LINCOLN TRUCK: MKS AWD, MKT AWD
Document Date: 07/18/2012 
Compliance Document Type: Applications

PDF
http://iaspub.epa.gov/otaqpub/display_file.jsp?docid=29137&flag=1
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I am curious:
because this is an application, was it approved?
how far can Ford deviate from the application during actual production?
 
FoMoCoSHO said:
http://www.epa.gov/otaq/datafiles/FOI_FFMXV03.5VEP_APP_UPD_R00.PDF


They changed the pump voltage max to enhance fuel pressure out of the HPFP...(funny story last night I got a wild hair and went for an hour drive after I added 4 gallons of corn to the 1.5 of E30 in my tank. )
Click to expand...

Great stuff!  Thanks for sharing.  I'm wondering what voltage they are talking about though in relation to the high pressure fuel pump as it is mechanical and the maximum pressure would be determined by that not a raised voltage?  The ECU signal just controls the valve that regulates the pressure but that wouldn't allow for higher pressures...strange.
 
ecoboostsho said:
FoMoCoSHO said:
http://www.epa.gov/otaq/datafiles/FOI_FFMXV03.5VEP_APP_UPD_R00.PDF


They changed the pump voltage max to enhance fuel pressure out of the HPFP...(funny story last night I got a wild hair and went for an hour drive after I added 4 gallons of corn to the 1.5 of E30 in my tank. )
Click to expand...

Great stuff!  Thanks for sharing.  I'm wondering what voltage they are talking about though in relation to the high pressure fuel pump as it is mechanical and the maximum pressure would be determined by that not a raised voltage?  The ECU signal just controls the valve that regulates the pressure but that wouldn't allow for higher pressures...strange.
Click to expand...
Unless through programming the fuel pump is artificially held below its mechanical limits (it is) and what the cam lobe will allow.

Our pump is good for 3k PSI, Ford locked it down to 2150

"The HDP 5 has an integrated demand
control for metering
the amount of fuel
supplied into the high pressure fuel
system and an overpressure relief valve to
limit the maximum fuel pressure"



 
Since it's an EPA document, my guess would be primarily emissions related, which nowadays covers a VAST variety of equipment.  So that gives us insight into parts, part numbers, even specs sometimes.
 
If I remember correctly from the Q&A with the Chicago Assembly powertrain tech, is the F150 with the EB motor is able to run on E85.  They said the reason for the SHO isn't is just enough volume to justify the resources to do since out production numbers are low compared to the F150.  That might be what you are seeing.
 
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