I wasnt planning on posting in this thread, but some things really need to be cleared up, even if I'm just beating a dead horse with all the times I've said them.
Who's claiming 28-30 with just a tune?
SCT has. And we've seen similar gains, I believe Brenspeed and Livernois, among others, have as well.
Now I believe SCT's gains were 87 octane to 91+. Much like we did. A subject I've discussed to DEATH on other boards. But since I couldnt find that I had on this one, I'll rehash.
The reason we went with 87 vs 91+ testing is because at the time we commented that with 2010-earlier cars, over 90% of the people that came to us to do a cold air and intake as their first mod on a STOCK car were running 87 octane.
Those comments and assumptions were made many months ago before we had a clear track record of customers to confirm what we were expecting. Now since then and to this day, over 80% of the 2011 GT owners me and my staff have talked to that want to do their first modification are running 87 octane and stepping up to 91 or 93 with the tuning. We showed our gains starting with 87 octane because we thought that is what the majority of our customers are stepping up from. Now it turns out we were right. In fact, I've had 2 5.0's dropped off at our shop just in the past few days both with 87 octane in the tank.
I know some of you will debate otherwise and I've already debated this subject to death on other threads and all I will say is this. Work here for a week and take the calls we take. Your eyes will be opened. Those of us here that are on the boards make up only a fraction of the demographic buying and modifying Mustangs. Maybe none of us here would dare put anything less than 91 octane in these 2011 cars. I certainly would not. But thats just us.
Will the gains be less if you already have 91 or 93 octane in the tank. Absolutely. I've discussed that before at length and wont expand on that anymore.
Beware of unrealistic "claims" of HP. If someone says 28-30 with just a tune, ask for proof, if someone says 44-56 with a CAI and tune run away.
The proof is out there. Now the caveat is that the 28+hp gains are from 87 to 91+ octane as I have explained. Whether you agree with why this was done that way or not. It is what it is. We gained our 44 claimed horsepower on 87 vs 93.
Livernois showed gains of 40hp on a 93 to 93 test with our cold air and tune. Testing done on the same day, same dyno within 20 minutes. We have some of the fastest trap speeds for a car with just a cold air and tune that I have seen. I've seen others claiming 40hp from other modifications such as full exhaust and tuning on stock airbox, yet they are barely trapping faster than stock, and 3+mph slower than our car that has fully stock exhaust and running only a cold air and tune on 93 octane.
So if people wants to keep questioning our advertised gains after all the data we've posted and all the independent testing that been released thats fine, the track is the best dyno there is, and if you dont believe gains of around 40hp can give you 3 to 4mph of trap speed at the track like we have shown, then there is nothing that will convince you otherwise. It is what it is.