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Guest Message by DevFuse

Get you C-MAX Energi Registered in the official Ford Authorized Registry. More here.


Photo
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Apparently nobody mods a C-Max


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73 replies to this topic

#61 OFFLINE   jzchen

jzchen

    Energi Member

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  • Region:U.S. Pacific Coast
  • LocationArcadia, CA
  • My C-MAX:None
  • Current Vehicle:2018 Honda Clarity PHEV

Posted 28 February 2018 - 07:22 PM

That’s way beyond me GS Dave! Just drive the S5 when you need speed?

I’m just trying to convince the wife to get some 17” Enkei RPF1s.....

Edited by jzchen, 28 February 2018 - 07:22 PM.








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#62 OFFLINE   GS Dave

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Posted 06 March 2018 - 11:33 AM

I like sleepers, and the S5 is not really a sleeper, most people know they are quick....but a quick C-Max, that would be some fun at the drag strip.  Time and funds will determine if I do it.



#63 OFFLINE   Milkman

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Posted 18 June 2018 - 09:56 AM

Finally blocking the heat.

Attached Files



#64 OFFLINE   GS Dave

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Posted 09 July 2018 - 09:39 AM

Looks nice Milkman!!



#65 OFFLINE   Billyk24

Billyk24

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Posted 16 July 2018 - 05:38 AM

E85 add on kit as found on my 2005 Ford Escape Hybrid.



#66 ONLINE   spirilis

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Posted Yesterday, 07:15 AM

E85 add on kit as found on my 2005 Ford Escape Hybrid.

Interesting.... how does this work?  I saw a thread about it on the Escape Hybrid- https://www.greenhyb...-run-e85-17206/

So there's a hardware module that tricks the PCM a bit?  Does it require any time for adaptation before you are running normal with gasoline (and can run E85)?



#67 OFFLINE   Billyk24

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Posted Yesterday, 08:26 AM

3rd party vendor that just connects to the fuel injectors with the "brain box" included.  I have 181,000 miles on my Escape Hybrid and over 115,000 using this add on kit.  Enables running any blend of ethanol. Can post photos if needed/desired.



#68 ONLINE   spirilis

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Posted Yesterday, 10:10 AM

3rd party vendor that just connects to the fuel injectors with the "brain box" included.  I have 181,000 miles on my Escape Hybrid and over 115,000 using this add on kit.  Enables running any blend of ethanol. Can post photos if needed/desired.

I am curious!  Would like pics.  You are saying that you installed this kit on your C-Max (Hybrid or Energi?) and it works out of the box?



#69 OFFLINE   ptjones

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Posted Yesterday, 10:50 AM

How much did you lose in gas mileage using E85?

 

Paul



#70 ONLINE   spirilis

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Posted Yesterday, 04:10 PM

I am curious!  Would like pics.  You are saying that you installed this kit on your C-Max (Hybrid or Energi?) and it works out of the box?

Reading a bit more, I see how this works now.  You install a gadget that sits between the stock fuel injector harness and the injector--it monitors the ECU's injector signal and OR's it with its own signal on the output, which it switches on for a fixed period of time after the ECU's injector signal switches OFF, thus adding a static value to the injector pulse width.  ECU has no idea but the O2 sensor tells it that it needs to adjust, and some folks recommend starting slowly with e.g. 50/50 E85/gasoline at first until the ECU has adapted.

 

Neat!  One thread mentioned the FEH can already tolerate something like E60 if you get an appropriate mix of E85/gasoline in your tank, since there is already a lot of wiggle room.  The ECU can probably run E85 anyhow the only thing this "gadget" does is prevent the ECU from tripping the Check Engine Light claiming the trim % is out of spec.


Edited by spirilis, Yesterday, 05:42 PM.


#71 OFFLINE   Billyk24

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Posted Yesterday, 04:35 PM

I have already run my Cmax on a blend of E85 just over 50% prior to installation of the add on kit.  The check engine light comes on somewhere around 55% blend but the engine continues to run without issue.   What many of us don't know or forget is that E85 ranges from 55% to 85% depending upon the month of the year and region.  In the cold northern states--think Minnesota, Wisconsin, Michigan, etc.  the ethanol blend will be lower while in July it will be higher.  The Ford Escape hybrid (2005) has a similar range before the check engine light comes on.    Post #70 correctly explains how it works.   As for loss of "mpg", it depends.  In general, once there is a 18-20% spread (cheaper than E10), you start putting money into your pocket.   On my trip to Wisconsin, I stopped in Gaylord, Michigan where E85 went for $2.05 (Speedway and Mejier) while E10 was $2.85.  

 

The Cmax also has a 2. 0 liter engine that is like the Focus 2.0 liter flex fuel engine.   There is another forum that deals with "tuning" engines and some of my ethanol forum members have tuned vehicles such as a Chevy Volt to run on E85.   Another interesting reading is about the unmodified 2003 Prius running on E85 see this link: http://www.ethanol-s...prius-e85.PDF. Makes one think that the Cmax can be tuned as the flex fuel focus but that is a subject for another thread. 



#72 ONLINE   spirilis

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Posted Yesterday, 05:37 PM

That is pretty cool. I am one of those nerds who bought the C-Max in an attempt to improve my "carbon footprint" so E85 is of interest to me. The short bit of reading I've done suggests it is worthwhile to the tune of 30-40% improvement of lifecycle GHG emissions.

Does ethanol also improve your antiknock performance for e.g. when you go driving through the mountains? Might be worth the mpg hit there.

Although I have one strange thought. With an E85 injector kit, does the car's fuel economy computation end up "off"? Since it doesn't know the real pulse width...

#73 OFFLINE   Billyk24

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Posted Yesterday, 06:11 PM

Each driver can calculate their own fuel economy via distance and fuel used.   These E85 aqdd on kits normally have a small knob to fine tune what happens.  



#74 OFFLINE   Billyk24

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Posted Yesterday, 06:19 PM

photo of the E85 add on kit:

e85%20add%20on%20kit_zpsx0z10ja4.jpg










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