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What could be the reason for my fuel system to be far more deficient then most?

Started by ElvenSho, March 17, 2015, 10:03:41 AM

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ElvenSho

March 17, 2015, 10:03:41 AM
Long story short one of my friends with a 07 Lexus is350 wanted to know how much of a difference the tune made on my car since our cars stock should be pretty close. We raced from 15mph to 120 and i hardly won, we were even up to 80 or so before I started pulling slowly and had about 2-3 cars by 120. This did not make sense to me so I asked Torrie and he told me whats in the  thread name. My car feels more powerful so I am not sure whats going on. Could it be that the gas I am using is bad? I use 92 octane with ethanol at a brand new gas station that everyone goes to so I know the gas shouldnt be bad since it seems like the get new gas very often. Also he said that my car takes less boost then most. Does this car have a fuel filter that could be needing a replacement? Would using 93 octane free of ethanol help? I feel helplessbsince my car seems to be fine.
2011 Red Taurus SHO- H&R springs, plugs, t-stat, 3bar, LMS dps, tuned by Torrie

SHOdded

#1
March 17, 2015, 11:11:08 AM
An is350 weighs what 900-1000 lbs less than your SHO?  Stock power/torque 306 HP SAE @ 6,400 rpm; 277 ft lb , 376 Nm @ 4,800 rpm.  So performance is NOT surprising I'd say.

is350
http://www.torquestats.com/index.php?car_id=489
2010 SHO
http://media.caranddriver.com/files/2010-ford-taurus-sho2010-ford-taurus-sho-ecoboost.pdf
2007 Ford Edge SEL, Powerstop F/R Brake Kit, TXT LED 6000K Lo & Hi Beams, W16W LED Reverse Bulbs, 3BSpec 2.5w Map Lights, 5W Cree rear dome lights, 5W Cree cargo light, DTBL LED Taillights

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!

IHeartGroceries

#2
March 17, 2015, 12:23:16 PM
^Troof

They're no slouch. They're actually pretty slick cars. Stock to stock, I'd think you might get a nice jump on him from a dig. But if you're racing from a roll, he'd have an edge.

However, if youre tuned, I'd certainly think he'd be less competitive. Sounds like you beat him. Were you just expecting the toon to allow you to blow his doors off?
2013 SHO PP

SHOnUup

#3
March 17, 2015, 12:38:31 PM
Also...did he get the hit? Taking off just slightly ahead of the other doesn't seem like much, but is hard to overcome.

Rich

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.

ElvenSho

#4
March 17, 2015, 01:02:26 PM
Quote from: IHeartGroceries on March 17, 2015, 12:23:16 PM
^Troof

They're no slouch. They're actually pretty slick cars. Stock to stock, I'd think you might get a nice jump on him from a dig. But if you're racing from a roll, he'd have an edge.

However, if youre tuned, I'd certainly think he'd be less competitive. Sounds like you beat him. Were you just expecting the toon to allow you to blow his doors off?
Yes i was expecting to blow his doors off since my car should be over 400bhp. Maybe thats the problem I was expecting too much.
2011 Red Taurus SHO- H&R springs, plugs, t-stat, 3bar, LMS dps, tuned by Torrie

ElvenSho

#5
March 17, 2015, 01:09:51 PM
Quote from: SHOnUup on March 17, 2015, 12:38:31 PM
Also...did he get the hit? Taking off just slightly ahead of the other doesn't seem like much, but is hard to overcome.

Rich
We tried it few times. First time he got a half car jump and i passed him by 90 or so. The other two times it was even start but his car would always respond better then mine from the hit and he would pull about half a car until my turbos started pulling. at that point i would pull back in first and second to about even and then in third we would be even until the top of 3rd where id start pulling on him. The problem is we were both expecting for me to just blow his doors off lol. His car is the performance version that has the stock upgraded exhaust system, not even sure how that works. I emailed Thorrie after just to see and he thinks its all he can do with the 92 octane tune. I will start filling up 93 with 0 ethanol and send logs to try and get more powaaaaa lol. The thing that concerns me is what he said about my fuel delivery issue where its not in the normal range for the sho. I just feel depressed now not knowing if something is wrong with my car lol. It idles and drives great i dont know anymore.
2011 Red Taurus SHO- H&R springs, plugs, t-stat, 3bar, LMS dps, tuned by Torrie

FoMoCoSHO

#6
March 17, 2015, 02:04:31 PM
Do you have a datalog?

ElvenSho

#7
March 17, 2015, 02:18:22 PM
Quote from: FoMoCoSHO on March 17, 2015, 02:04:31 PM
Do you have a datalog?

Yes at home, I can get it in few hours.
2011 Red Taurus SHO- H&R springs, plugs, t-stat, 3bar, LMS dps, tuned by Torrie

SHOdded

#8
March 17, 2015, 02:23:04 PM
x2 on datalog.  Assuming you have gone through the checklist (spark plug gap, no oil in intake, turbo piping clamped tight, checked for codes, etc.), could be the FRP is not meeting the level commanded by the PCM.  Don't know what else Torrie would be referring to.  I would run a quality fuel injector cleaner (BG/Techron) through the tank to see if it helps any.
2007 Ford Edge SEL, Powerstop F/R Brake Kit, TXT LED 6000K Lo & Hi Beams, W16W LED Reverse Bulbs, 3BSpec 2.5w Map Lights, 5W Cree rear dome lights, 5W Cree cargo light, DTBL LED Taillights

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!

91hybrid

#9
March 17, 2015, 02:24:41 PM
Yeah, post the log. He's either seeing dips in your fuel rear pressure or a high knock signal.

A log will help.
2014 SHO -PP, Unleashed Tuned, 3bar, Devils Own 100% meth, PPE catted down pipes, 3rd cat delete, Magnaflow 2.5" exhaust, 170 deg, NGK 7's plugs, hot pipes - White Platinum 401a
418 whp - 513 wlb/ft
non meth 13.11@103.6 (knock limited)
Meth pass 11.991@114.28

ElvenSho

#10
March 17, 2015, 02:28:14 PM
Quote from: SHOdded on March 17, 2015, 02:23:04 PM
x2 on datalog.  Assuming you have gone through the checklist (spark plug gap, no oil in intake, turbo piping clamped tight, checked for codes, etc.), could be the FRP is not meeting the level commanded by the PCM.  Don't know what else Torrie would be referring to.  I would run a quality fuel injector cleaner (BG/Techron) through the tank to see if it helps any.

That all looks good as of few days before yesterday. Only one thing I noticed is that there is a bit more antifreeze in the tank that what it should be, it goes over the line by about 2 inches. BUt that shouldn't make a difference I would think.
2011 Red Taurus SHO- H&R springs, plugs, t-stat, 3bar, LMS dps, tuned by Torrie

ElvenSho

#11
March 17, 2015, 02:28:52 PM
Quote from: 91hybrid on March 17, 2015, 02:24:41 PM
Yeah, post the log. He's either seeing dips in your fuel rear pressure or a high knock signal.

A log will help.

How do I post the log on here? I have a copy of it in the emails I sent to torrie.
2011 Red Taurus SHO- H&R springs, plugs, t-stat, 3bar, LMS dps, tuned by Torrie

SHOdded

#12
March 17, 2015, 02:30:39 PM
How big is it?  If under 2 MB, you could attach it directly.  What is the file extension?  CSV or XLS or ...
2007 Ford Edge SEL, Powerstop F/R Brake Kit, TXT LED 6000K Lo & Hi Beams, W16W LED Reverse Bulbs, 3BSpec 2.5w Map Lights, 5W Cree rear dome lights, 5W Cree cargo light, DTBL LED Taillights

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!

ElvenSho

#13
March 17, 2015, 02:46:31 PM
Quote from: SHOdded on March 17, 2015, 02:30:39 PM
How big is it?  If under 2 MB, you could attach it directly.  What is the file extension?  CSV or XLS or ...

Its just a 0-100 so it should be small file. I will upload it in about a hour.
2011 Red Taurus SHO- H&R springs, plugs, t-stat, 3bar, LMS dps, tuned by Torrie

wasinger3000

#14
March 17, 2015, 03:10:01 PM
It's under 2mb and is a CSV file.
13' SHO, Non-PP, Tuned by Torrie, Meth injection, 3 bar, 170* stat, custom axle back exhaust, Prosport Boost gauge.
15' F150 Lariat Sport, all the options, 3.5L Eco. (fiancée ride.)
13' GTCS, will be missed.
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