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Author Topic:  Too much goodness to not use  (Read 7190 times)

Offline SHOnUup

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Too much goodness to not use
« on: September 02, 2015, 07:45:18 AM »
From my sponsor at Amsoil



Sent from my SM-N920V using Tapatalk

2011 Sterling Gray Metallic SHO non PP,
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Added since...PPE catless Dpipes, Megan coilovers, Powergrid adjustable end links, and EBC slotted rotors and red stuff pads.
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Offline J-Will

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Re: Too much goodness to not use
« Reply #1 on: September 02, 2015, 02:02:14 PM »
How does using DFI produce more heat?
2014 Factory Order SHO (non pp) Deep Impact Blue
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Offline BiGMaC

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Re: Too much goodness to not use
« Reply #2 on: September 02, 2015, 02:44:54 PM »
Excellent question,.... Turbos?, higher compression? Getting driven harder?, LOL.....
« Last Edit: September 02, 2015, 02:47:09 PM by BiGMaC »

•2013 Taurus SHO nonPP - All Ford factory options, 3BAR MAP, LMS v8 tune (mods for 3BAR, DPs, and T-stat), Paint & plastic correction, CQuart finest all exterior surfaces, limo black window tint,VLED Triton switchbacks, Daytime BrightLites switchback DRLs, full interior and exterior LED conversion, Lamin-X charcoal blackout tail lights and reflectors, PPE catted and coated downpipes, EBPP coated hotpipes with BoVs VTA, MDesign CAI
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Offline SHOdded

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Re: Too much goodness to not use
« Reply #3 on: September 02, 2015, 02:49:08 PM »
GDI engines can run quite lean compared to MFI or PFI engines, so the combustion process would create more heat.  Add a turbo to GDI, and you can run even leaner, making the combustion gases even hotter.  That's my theory and I'm sticking to it :D

http://gf-6.com/sites/default/files/Turbocharged%20Direct%20Injection%20Is%20Engine%20Oils%20Next%20Big%20Hurdle.pdf
« Last Edit: September 02, 2015, 02:53:56 PM by SHOdded »
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If tuned:  Take note of the strategy code as you return to stock (including 3 bar MAP to 2 bar MAP) -> take car in & get it serviced -> check strategy code when you get car back -> have tuner update your tune if the strategy code has changed -> reload tune -> ENJOY!

Offline J-Will

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Re: Too much goodness to not use
« Reply #4 on: September 02, 2015, 03:06:49 PM »
GDI engines can run quite lean compared to MFI or PFI engines, so the combustion process would create more heat.  Add a turbo to GDI, and you can run even leaner, making the combustion gases even hotter.  That's my theory and I'm sticking to it :D

http://gf-6.com/sites/default/files/Turbocharged%20Direct%20Injection%20Is%20Engine%20Oils%20Next%20Big%20Hurdle.pdf

Yes, and that makes sense.  It also makes sense that having a turbo (or two) would elevate overall oil temps.

However, the question is more fundamental.  In just using DFI, how does that increase temps?  Running lean would, but that is a consequence of programming fuel ratios, not necessarily DFI.  Perhaps I'm reading too far into the shtick?  Just at face value, I do not see how DFI alone increases temps. 
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Offline ZSHO

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Re: Too much goodness to not use
« Reply #5 on: September 02, 2015, 03:36:13 PM »
It was my assumption that a performance tune would run the car a little leaner at idle,which might benefit somewhat.  Z


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Offline FoMoCoSHO

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Re: Too much goodness to not use
« Reply #6 on: September 02, 2015, 06:59:44 PM »
Actually I've been studying egts and its not quite that simple.

If you don't believe me let off the gas and put your car in decel fuel cutoff than watch your cat temps plummet. That is the leanest mixture you will see yet the lowest cat temps.

Offline J-Will

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Re: Too much goodness to not use
« Reply #7 on: September 03, 2015, 07:09:07 AM »
Actually I've been studying egts and its not quite that simple.

If you don't believe me let off the gas and put your car in decel fuel cutoff than watch your cat temps plummet. That is the leanest mixture you will see yet the lowest cat temps.

I agree, its not that simple. 

But I think the cat temp is the wrong metric in this case.  The deciding factor for that is exhaust flow.  During decel, RPMs are decreasing which means less exhaust gas is hitting the cat.  I think that, because this is about engine oil, the graphic is referring to engine temperature. 
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Offline SHOnUup

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Re: Too much goodness to not use
« Reply #8 on: September 03, 2015, 07:28:09 AM »
I'm thinking the "DFI" part is more of a testament to Amsoil holding up very well with fuel contamination at play, and the high heat is obviously an issue in our twin turbo application...30 seconds after startup those DP'S are ready to cook stuff.

Sent from my SM-N920V using Tapatalk

2011 Sterling Gray Metallic SHO non PP,
12.4211 @ 110.28 Livernois 3bar tune & CAI,
Added since...PPE catless Dpipes, Megan coilovers, Powergrid adjustable end links, and EBC slotted rotors and red stuff pads.
Tommy Designs grille with carbon fiber hydrographics, fender badges and fog bezels hydrodipped also, tinted windows, head & taillights, debadged trunk with all chrome plasti-dipped, black calipers, obdlink mx scantool running torque pro on 7" tablet.

Offline FoMoCoSHO

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Re: Too much goodness to not use
« Reply #9 on: September 03, 2015, 10:02:37 AM »
Actually I've been studying egts and its not quite that simple.

If you don't believe me let off the gas and put your car in decel fuel cutoff than watch your cat temps plummet. That is the leanest mixture you will see yet the lowest cat temps.

I agree, its not that simple. 

But I think the cat temp is the wrong metric in this case.  The deciding factor for that is exhaust flow.  During decel, RPMs are decreasing which means less exhaust gas is hitting the cat.  I think that, because this is about engine oil, the graphic is referring to engine temperature.
Yeah I've been trying to figure out the relationship between the two...

The problem with that is every time I'm researching something, SHOdded, AJP, Rich or someone else posts something interesting that sends me on a tangent, lol. One of these days Firefox will crash from the amount of open tabs.
« Last Edit: September 03, 2015, 10:16:16 AM by FoMoCoSHO »

 

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