Thank you and all persons involved with the Mazdaspeed 3 programmer, for bringing a great product to our community.(drinks)
Hypertech Max Energy Sport CAI Update Now Available!
- Thread starter Chris@Hypertech
- Start date
I've been racing my Hypertech tuned Mazda 3 MPS (mazdaspeed) without any problems... I drove the car to it's maximum and it responded perfectly...
http://www.garaget.org/?car=108771&image=1921622
http://www.garaget.org/?car=108771&image=1921622
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///M Compact
Member
Thanks for the info!
TwisteDcLoWn
Member
- :
- 2009 Mazdaspeed3
it was released yesterday
So do any of you think....and I am just spitballing here....that the +5 positive WOT numbers we are seeing at WOT could be because Hypertech found a way through their tuner software to make the ECU add fuel at WOT so that we never lean out? In other words not see below 1600 PSI and 12.xx AFR's? I know this is way out there but read on to see why I ask.
Ok.....the reason I ask is because someone said that they talked to a Hypertech technician (forgot who and can't verify that this is true!) but the tech said a downpipe would work well with the tune. Now, is he saying that their tune with a DP doesn't require a fuel pump and if so is it because of the reason I stated above?
I ask this because with a downpipe, SRI, RP I was getting under the 1600 psi at WOT and really leaning out and thought the general concensous was get a FP with a DP.
To be fair, I was tuning with ATR at that time and may have upped the load to much and my pump couldn't keep up...but if it is true that the tech said a DP is good to go and didn't mention anything about a FP....
SWEET!
Ok.....the reason I ask is because someone said that they talked to a Hypertech technician (forgot who and can't verify that this is true!) but the tech said a downpipe would work well with the tune. Now, is he saying that their tune with a DP doesn't require a fuel pump and if so is it because of the reason I stated above?
I ask this because with a downpipe, SRI, RP I was getting under the 1600 psi at WOT and really leaning out and thought the general concensous was get a FP with a DP.
To be fair, I was tuning with ATR at that time and may have upped the load to much and my pump couldn't keep up...but if it is true that the tech said a DP is good to go and didn't mention anything about a FP....
SWEET!
Darth Vader
Member
Honestly, I wouldn't be looking for ways around adding a fuel pump upgrade in this platform. The stocker is marginal in alot of cases and, you're chancing an engine on a couple hundred buck part.
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There is a video now up on the HyperTech website, on how the Mazdaspeed 3 was tuned. www.hypertech.com
chief_wiggum
Member
- :
- 2008.5 Mazdaspeed3-2010 Mazda5 GT
nice!
Did you download the latest update for the Tuner and the Tuner App?
Yes I did two days ago.. That was on the "old" update. The only thing that changed for me was the Cobb, But I would think the A/F's would stay the same.. I have not had any WOT pulls yet with the "new" update.. I wait about 100 miles before a ROMP IT. should be there this weekend, Maybe.
Chris@Hypertech
Member
It all goes back to having the correct tune. First, we developed the tune not to just make absolute maximum power, but to find the maximum power output while maintaining engine, turbo, and fuel pump efficiency. We found that by tuning for absolute maximum power caused the efficiency to decrease quickly. At the absolute maximum power the engine can make, the car wasnt consistent because it wasnt efficient. This is all on a stock car, which has the least efficient parts (usually).
The second trick to our tuning, is that we developed a tune which increases power but still accurately commands and predicts the delivered torque output. When we looked at the calibration maps, we saw things were used to changing in other vehicles, and knew how to do it right. The result is a tune that acts just like the stock tune does in the way it reacts to power output, meaning that power output is steady and repeatable because the engine calibration system as a whole is not fighting itself because the sensor feedback it expects is exactly what it gets.
Now, when you combine these two pieces of the puzzle, the tune responds well to mods. Freeing up the exhaust flow increases efficiency, which increases airflow which is accurately measured by the MAF. The tune we sell is already set up to see these increases because we tested with these mods after the base tune was finished on a stock car, and tweaked it and made that our final tune.
A perfect example backing this up is why we have specific tunes for each specific air intake we support. Those recalibrations are not a simple add some fuel to keep it from leaning out. They are accurate recalibrations of the mass air flow system.
So, does Hypertech know the secrets to getting more power out of the stock fuel pump? No, its still just a pump that has a physical capacity for fuel flow. BUT, by making an accurate tune the engine controller doesnt push the fuel system beyond its efficiency range as soon as some other tunes would.
Chris
Chris@Hypertech
Member
kgb, I think what your seeing with the +5 fuel trims at WOT are a carry over from what the ECU commands under heavy load conditions (closed loop). Even though the ECU is in open loop at WOT, it is still leaving the fuel trim active. It's something you would see with the stock tuning. This is part of the protection system built into the ECU.
Chris
Chris....thank you for answering! I do love this tune and your work going into making sure that this tune is done correctly!!!!! Thanks a million..really..I can't say how appreciative myself and others are in hypertech making this tune in the manner in which it did; and that also allows for "Freeing up the exhaust flow..."
(group)
(group)
Hey Chris,
I happened by one of these for $170 and pulled the trigger. That's a killer deal -HP/$-wise. I installed and immediately noticed the fantastic throttle response. I am not overwhelmingly happy though. I am not getting the boost restrictions in 1st and 2nd anymore and compared to the stock tune my car feels quicker. I am loving that. I got my Boost giggles back a bit. However, I am not seeing any psi over stock at all....14.5-15.6 at most. The majority of the time it's more around the 14.5 - 14.6 range. Is there a best way to test your max psi? I thought the Hypertech was supposed to give a couple extra psi. *Shrug* Maybe you can help me understand?
Also, I have a Corksport Stage II ( Short Ram with turbo inlet pipe). The tuner only asks if I have a cold air intake. There is no option for Short Ram? I take it since the MAF cal is the same on both CAI and SRI, everything is good.
