Looks low how? 3 runs and those were the best numbers. This is to the wheel on a conservative Mustang Dyno.
EDIT. ..Didn't know you are with GH
Last edited:
LMS vs Gearhead "Canned Tunes" Comparison
- Thread starter OmaHahn
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Looks low how? 3 runs and those were the best numbers. This is to the wheel on a conservative Mustang Dyno.
EDIT. ..Didn't know you are with GH
Depending on how the car reacts to the octane it thinks it has, it can limit both boost amd timing. At -.8 oar you have full boost, at -.96 you have full boost and timing. OAR of 0 is basically 87 octane and makes 15 or so hp over stock with that fuel. -.96 is about 93 octane and 400 whp if the iat2 stays cool enough (below 110 degrees) and about 350 if your iat2 gets up to the typical 160+ degrees. The tune is very reactive to fuel and environment like the factory but better. A better intercooler will help a lot as well.
bpd1151
Lurking Around
And we're all looking forward to that product release.
Hopefully soon! **fingers crossed**
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Unfortunately I think a lot of the information out there about DI engines being able to handle leaner tunes comes from tuners who run them leaner. Additionally, people often look over the fact that a production vehicle has Cat over temp, Turbo over temp, ****** over temp, hego over temp, and all kinds of other safety items in place that put a a great deal of fuel into the engine to "save" those components and lower the EGT's, what we do is balance that out so you're less likely to have various temp limits hit in the first place. Unfortunately, many calibrators turn all of those off AND decide that the factory fuel mixture is proper for all conditions, or worse, even leaner than stock.
on a forced induction car, fuel mixture plays a pretty big role in making power, leaning out the mixture can be 20-30hp, but at potentially dire costs.
This is why we are adamant about these cars being out of fuel and why people see it with our tunes more often. Leaning them out cures the symptom, NOT the problem. Now, we can pull power back so the fuel demand is less, which does fix this issue, but then people complain about the power reduction.
The only 100%, proper way to keep power AND the proper fueling is our upgraded pump.
So you're saying I'm about 50whp less than I should be on this tune? As mentioned couple posts before I run nothing but 93 and I even added a little over 1 gallon of e85.
Also on Mustang Dyno.
If i temembwr
You are in the ballpark with stock exhaust on a mustang dyno.
I have Magnaflow cat back, would DPs help that much more?
StealBlueSho
SHO Member
Did it take out the 3rd cat? And yes DPs help a lot.
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No, my exhaust shop wouldn't touch the cats.
StealBlueSho
SHO Member
So basically the biggest advantage of the cat back exhaust is taking out that third cat like Corsa does... otherwise it’s just noise...
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Well the pipes are bigger and mufflers are straight through so I hope it frees up things a little bit. Corsa doesn't eliminate the cat, it's just the 3rd center muffler but I believe there's still some type of baffling with those center pipes.
StealBlueSho
SHO Member
Corsa goes all the way to the flex pipes on the down pipes. Which does remove the third cat.
https://www.carid.com/images/corsa/exhaust-systems/pdf/14315blk-installation-instructions.pdf
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That's crazy! How do they sell any of these? Not one shop I can find will touch the cats, they even point to signs they have hanging in the front desk showing it's a $10,000 fine if they do (they have to get caught, yes) but they won't risk it.
What shifting?... I have zero shifting issues now with this Gearhead tune!
StealBlueSho
SHO Member
So this was exciting. Lots of good info. Thanks Omahahn!
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shoblock
SHO Member
Too many maybe's. I work in the plant that produces our motors and can guarantee you each and every little change is documented. The process is called 'manage the change', and you'd better bring your data, as the revision will be scrutinized by many departments both in and outside the plant, including vehicle operations (VO) Changing the length of a bolt by 3mm could take up to two months to get approval.It is neither difficult nor unsafe to grab datalogs at those rpms, think of highway ramp merges on inclines for example. So if someone is willing to try and corrobotate, that would be cool. If not, it is what it is, I guess
Ford keeps making changes in production, some that are documented some not. In the process of solving a problem or using a new supplier, new issues can be created. Orb maybe reached the limits of the intended design ... IDK.
Trying to cover the bases. We tend to look for flaws in software because that is the way the world works today. How much do we really understand about the hardware?
I totally agree with your other point, the highway ramp. Each morning on my way to work, I climb a ramp leading to a 70mph speed limit, and take that opportunity to clean out the crankcase gases collecting in the system. That is up until my new v11 tune........
Ford is looking out for us with stringent Quality standards. That I can say first handed.
Shoblock
shoblock
SHO Member
Hear hear. intercooler!
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