Program to make '03 V-10 Variable Displ. Engine
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Mountain Pass
Joined: Sep 2003
Posts: 200
Likes: 8
From: Greenfield,In
Program to make '03 V-10 Variable Displ. Engine
I want to make my 2003 Excursion V-10 a Variable Displacement Engine by being able to run in a modified "Fail-safe cooling" mode. I can induce the "Fail-safe cooling" mode but I need to modify the "CANNED" algorithm so that I can A/C and cut in and out with a vacuum switch and retain full timing in the FSC mode and not have to turn off the ignition key/back on to get out of the FSC mode..
I will be in the FSC mode at idle,coasting,braking and cruising under light load. This is similar to what GM,Chrysler,Honda and others do. Ford is working on the "Variable Displacement Engine" scheme without major engine mods.
My goal is improved MPG's!!!!
How can I change the algorithm and update my EEPROM or ????
I will be in the FSC mode at idle,coasting,braking and cruising under light load. This is similar to what GM,Chrysler,Honda and others do. Ford is working on the "Variable Displacement Engine" scheme without major engine mods.
My goal is improved MPG's!!!!
How can I change the algorithm and update my EEPROM or ????
Last edited by Richard2212; Aug 31, 2005 at 07:22 PM.
More Turbo
Joined: May 2005
Posts: 560
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I suspect this would cause increased engine wear and mediocre, if any improvement. would you really have your engines life cut down by 50-100k+ miles to gain 0-.50 mpgs? with the engine being worked that much harder not only will there be more wear, but there might be even worse mileage, the 5.4 really doesnt do much better for mileage, and its just a v10 -2 cylinders, with much less power.And say godbye to anything other than crawling slowly up to speed.
Thread Starter
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Mountain Pass
Joined: Sep 2003
Posts: 200
Likes: 8
From: Greenfield,In
Originally Posted by Lead_Foot
I suspect this would cause increased engine wear and mediocre, if any improvement. would you really have your engines life cut down by 50-100k+ miles to gain 0-.50 mpgs? with the engine being worked that much harder not only will there be more wear, but there might be even worse mileage, the 5.4 really doesnt do much better for mileage, and its just a v10 -2 cylinders, with much less power.And say godbye to anything other than crawling slowly up to speed.
