Hesitation in boost and high rpm
- Thread starter polskifacet
- Start date
polskifacet
New member
I know for sure you can't run corn without further modifications. No info on what that would be. I'm sure they will try hard to give us a good bang for the buck as most of the community doesn't have meth + lms hpfp + rebuilt turbos etc.
polskifacet said:
I have never made that claim. What I have said is that when I spoke to Dave at LMS about their Alky Meth Kit a couple weeks ago he mentioned it might be worth while to wait for the HPFP. He stated that the biggest advantage to their meth setup is offsetting the stock HPFPs limited ability to maintain fuel pressure after tuning.
The new HPFP is supposed to assist with that issue.
No tuning information or gains have been released from LMS or Mustang RTR about the new pumps coming out.
polskifacet said:
FoMoCo has a tune from AJP that can run E85 I believe..
Here is the thing right... if you really want to know, call LMS. I have called several times to talk to them about various setups and gear. Ethan, Anthony, Dave, and Matt are the guys I have spoken too and they have always been very upfront and informative. My guess is the more people that call, the more pressure for them to release stuff... aka... the sooner they can start getting a return on the dev costs for their stuff...
polskifacet
New member
Seeing some pretty high boost spikes 17 psi which do get me down to around 1500 psi but it recovers pretty much instantly.
polskifacet
New member
Still looking for how much fuel I'm "missing". If the rail fuel volume is maxed out right now @ 13 psi of boost and 80f ambient where am I compared to another SHO?
Welll... with LMS 4+X Race Tune I have 1900+ at the rail with ambients at freezing....
Dunno if that helps?
Dunno if that helps?
polskifacet
New member
StealBlueSho said:
Not sure how much more demanding the 4X tune is but seems to me like my car is somewhere under 15% off of yours. I think It's close enough not to worry about the pump not helping.
polskifacet
New member
Another observation - weather much cooler this week 55f but 90% humidity and I don't see the fuel pressure dropping, I can attach logs but I've gotten pretty good at feeling this out. Frustrating lol why can't it just break so I can actually fix something specific.
polskifacet
New member
I also got a response from LMS. The firestorm pump gives no performance increase with my current mods, I would have to get meth or turbo upgrades etc. They of course say they can't tell me anything more without having my car there again. If they were to actually spend time on my vehicle, in two weeks I foresee the bill would easily get beyond $2000. Its a tough one guys, the solution is to probably run Brads tune when I see fuel pressure issues and either work more with Brad or run LMS in the summer.
The two avenues I have is to pull the injectors and send them out for testing and figuring out all the parts to change the feed line from the tank up.
I have reached the end of the road with this issue, it is what it is. Thanks for all the support.
The two avenues I have is to pull the injectors and send them out for testing and figuring out all the parts to change the feed line from the tank up.
I have reached the end of the road with this issue, it is what it is. Thanks for all the support.
polskifacet
New member
Tried that with LMS, 2bar same issue.SHOdded said:
Its sometimes these intermittent issues that can be most frustrating to say the least.
FWIW here are a couple of Fuel system diagnosis/voltage drop test. Z
http://www.rockauto.com/genImages/26/CarterFuelSystemDiagnosis.pdf
http://www.rockauto.com/genImages/26/fuel_sys_diag_chart.pdf
FWIW here are a couple of Fuel system diagnosis/voltage drop test. Z
http://www.rockauto.com/genImages/26/CarterFuelSystemDiagnosis.pdf
http://www.rockauto.com/genImages/26/fuel_sys_diag_chart.pdf
polskifacet
New member
I would't say its intermittent, the temp/humidity is simply less taxing on the fuel system now.ZSHO said:
FWIW it does not hurt to check especially if you have a multi-meter and not quite sure it applies to your vehicle.
BCM 6554 –2013 Explorer Fuel Pump Inoperative Connector-C3053– Loose/damaged Female Terminal.
Sorry man just trying to help ya out. Z
PAGE 2
http://www.ifama.net/documents/fordservicemessagesandbulletins-may-sept2013.pdf
BCM 6554 –2013 Explorer Fuel Pump Inoperative Connector-C3053– Loose/damaged Female Terminal.
Sorry man just trying to help ya out. Z
PAGE 2
http://www.ifama.net/documents/fordservicemessagesandbulletins-may-sept2013.pdf
polskifacet
New member
I'm going to split fuel system troubleshooting into the fuel line thread I made. Too many people and history on this one.
polskifacet
New member
Ok guys the separate fuel system diagnosis thread was a success in my opinion. I thoroughly tested every aspect of the fuel system and see no abnormality. I would say its safe to check the fuel system off the list of possibilities.
I already sent LMS an email to see if they are willing to soften up the tune a bit. I am not blaming LMS's tune per-say, but their tune is a tad too aggressive for my car. Like I have said many times over I will sacrifice performance for reliability/efficiency. Lets see what they say.
I already sent LMS an email to see if they are willing to soften up the tune a bit. I am not blaming LMS's tune per-say, but their tune is a tad too aggressive for my car. Like I have said many times over I will sacrifice performance for reliability/efficiency. Lets see what they say.
So the HPFP made no difference?