Fuel System

[CarbonRight]

Is it something totally new or adapted from a 3V/gt500 setup?

 

[Mike@PowerHouse]

I have yet to tear into it,nbut my understanding is that it is a mechanical returnless sytem, meaning that there is basically a FPR in the tank that returns the fuel right into the tank....
Probably have it apart in the next month to see what its all about.

 

[s8v4o]

My guess is it's one step closer to DI.

 

[JJ@WMS]

Its pretty similar to the previous year but with a few changes. It still uses a FPDM and returnless system. The rails are bigger and nicer, they are also located under two pieces of insulation due to heater hoses lying/routed ontop of them. The injectors have a very large mouth opening, something I havent seen before but look pretty much like other injectors.

I have attached a few pics that might help.

JJ

 

[Eric Brooks]

Don't see a FRPS, so it must infact be mechanical returnless.

 

[Mike@PowerHouse]

My guess is it's one step closer to DI.

I would not be surprised to see DI in the next few years, If I remember correctly the 5.0 article mentioned that to be the case.

 

[JJ@WMS]

Don't see a FRPS, so it must infact be mechanical returnless.

Yes I havent found one yet either but I do see what looks like a FPDM in the trunk as to be expected but maybe its something else. I will look at this in greater detail tomorrow and report back.

JJ

 

[kevmac]

GT and V6 run the new MRFS(mechanical returnless fuel system). It has a regulator in the fuel pump module assembly as well as a lifetime fuel filter. Apparently the filter is part of the whole assembly and not replacable on its own. No inline filter that I can see. There is a new style FPCM(fuel pump control module) that is in the same location as the previous FPDM. Looks like they still run at 39psi.

GT500 will carryover the old ERFS(electronic returnless fuel system) and still retain the inline fuel filter as well as the FRPT(fuel rail pressure temperature sensor) for feedback.

Kev

 

[Mike@PowerHouse]

Actually the in tank pump regulator is 55#, FRP will vary slightly depending on fuel flow from 55-59#.

 

[terry5357]

are the cam covers plastic or carbon fiber?

 

[kevmac]

Actually the in tank pump regulator is 55#, FRP will vary slightly depending on fuel flow from 55-59#.

You are probably right, this spec doesn't say what model so its probably gt500. Have you put a gauge on it to see what it does at different manifold pressures and wot pulls? If I can get it connected to the dyno I'll log what it does on Tuesday.

Kev

 

[Mike@PowerHouse]

I have not looked to see for sure, but the info I have here says that to be the case.
Hopefully I can log the ECM and see what it is for sure, I am just not sure what DMR and PIDs are supported just yet. And I believe the logiing software that I have that "should" work is a bit slow.

 

[kevmac]

From what I can see, there is no more pressure sensor in the system. There is no mention of a pressure sensor anywhere in the service/diag manuals either. On the IDS the only Pids available are FP, FP#, FPM and FP_F There may be an inferred pressure dmr, we'll have to check and see. If that's the case, we'll have to get the gauge out when we start putting power adders on...

Hopefully I'll have some more info next week, Have a good long weekend!

Kev

 

[hawkeye18]

are the cam covers plastic or carbon fiber?

Dude, there is no way the cam covers in a $30,000 car are gonna be carbon fiber. They are plastic for sure.

 

[Tommygun]

 

[lostsoul]

wtf is that?

 

[smoken1986]

wtf is that?

Fuel pump assy.

 

[lostsoul]

can it fit a twin gt40 pumps? heheh

 

[Mike@PowerHouse]

Physically it will be much easier to do pump swaps.
Tuning will be a bit of a different story.

 

[STACYSTANGZ]

Fore Precision is working on a solution for the High Horsepower builds on the 2011 GT500 and 5.0. The tank is completely different than the 2010 and will need a new design to run the 2 or 3 pump GT, or Walbros in the return in the Fore Precision Fuel Hat.
Once we do testing, I will post pictures & info on what we have found in the 2011 Ford returnless setup.