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Hypertech Max Energy Sport CAI Update Now Available!
- Thread starter Chris@Hypertech
- Start date
Definitely something to bear in mind.
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- 06 LS MS6
07 BM GT (shell has been struck from the roll)
Nice numbers, Peak65. Objective data is always better than seat of the pants feeling. Testing for only a 25 mph differential makes it hard to measure improvements accurately, though. It is, indeed, much better that stock, which according to published data would be about 3.7 seconds (Road and Track), rather than 4.2 you suggested. But you do have a serious power gain. It would have been helpful had you indicated how much your intake and rp dropped your times before the tune, so we could see what the tune added.
Well, I asked my question of anm6 for numbers so some real world comparisons could be made. It would appear that I'm already about two tenths quicker, 50-75 on stock tune with just an intake and dp/rp. And that was with a shift into fourth at 72-73 mph. If I'd ridden it out past my chosen shift point (5,500-5,700 rpm), I'd have been a tenth quicker. I set the shift point light at 6K, but did not want to see the light flash except during the flat shift. My stopwatch and G-Tech Pro RR accelerometer are within a tenth. Chart attached. Ambient temp was 65 degrees. Unless the Hypertech tune adds more power once the car is under full load in the higher gears, the two tenths differential is going to grow as the run continues to higher speeds.
This chart was last spring, a year ago today. It's warmed up enough now that I laid down another run this a.m. that looks pretty similar, (quarter mile in the 13.4's again) but I haven't downloaded it yet to compare. The graph generating software can overlay the charts on top of each other for comparison.
When modding this car the owner does need to know what the car is actually doing in time, speed and distance measurements to know where you are headed with the mods.
Longer runs, like 60-100 or 60-110 or higher tell the story even more accurately. Or try a 40-120 roll and tell us what you get on the stop watch or accelerometer. Testing over that span is an excellent test.
And no, I'm not kidding, anm6, it's very realistic to invest in some type of time, speed, distance calculator, even a simple cheap stopwatch if you are going to spend many hundreds of bucks on mods and not know where those mods are taking you in terms of real performance.
Drag strip timer is even better, but it's inconvenient and you can usually only get in maybe three runs in an evening.
It looks like your tune is getting you some significant power gain. You may do even better "up top" when you get well into fourth and fifth gears at WOT. Add a downpipe, if the tune will allow safe AFR's, and it will just come alive.
I would just modestly suggest that while the tune is building power, your improvement in acceleration may be mostly due to your intake and exhaust mods. The tune probably helped but maybe not as much as some might think.
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haha or if you bang gears like you have a sparkling new trans sitting at home ready to be installed! From a roll, in a straight line, it takes substantially more power than basic bolt-ons will provide to break loose in 3rd on dry pavement. I believe Jeff G when he said his car could acomplish this, but then again he did it with a 3076r and 380whp.
Go to YouTube and search for my user name "msms3" without the quotes.
Oh, well, here it is:
http://www.youtube.com/watch?v=pRY2wCDcfWA
Tell me what you see happening on the upper end of second gear and into third gear. I had left the DSC turned on and she still broke loose when I punched it in second and through the power or flat shift well into third.
I don't think I was on a poor traction surface, as the run clocks at 12.5 seconds 40-120 mph. Very modest mods listed in sig.
I thought maybe my tires were getting shot, but I just put new ones on and have the same problem, although new tires (in sig below) are A/S and probably not quite as sticky.
Oh, well, here it is:
http://www.youtube.com/watch?v=pRY2wCDcfWA
Tell me what you see happening on the upper end of second gear and into third gear. I had left the DSC turned on and she still broke loose when I punched it in second and through the power or flat shift well into third.
I don't think I was on a poor traction surface, as the run clocks at 12.5 seconds 40-120 mph. Very modest mods listed in sig.
I thought maybe my tires were getting shot, but I just put new ones on and have the same problem, although new tires (in sig below) are A/S and probably not quite as sticky.
? For guys other than me with, I was seeing 20 PSI drove the car today and saw nothing but 15 PSI. It was colder today than Sunday when I made the runs, I also was seeing 20 PSI on Monday?? Do you guys think the ECU adapted and put the boost back to stock? I'm at a loss..
Is this all in the same gear? My boost varies on what gear I'm in bigtime. I love it so far though.
Yea the 20 PSI was in all gears at least till 4th, Where I was doing my runs. The 20 PSI was definitly in 1-4. can't remember if I was seeing in 5-6th on the highway( Not on the highway to much). But I think I saw it up there too. An there was no tapering off stayed there till 6-6200k RPMS.
Damn, I hope this doesn't happen to me. I would just turn your car back to stock then install it again, update it first though...I'm pretty sure when you do that, or at least check for an update, your calibration is uploaded and Hypertech can see what's going wrong if anything.
Hypnotized
Member
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- 03.5 MS Protege-Gone 07 MS3
keep us posted with what you find out.
Yes car feels as if it doent pull as hard.. Colder air you would have a boost spike not alot tho. Temps on Sunday where in the 60's and yesterday was in the 40's.
Yea 20 was alot I thought also till I saw logs of 19-20 PSI. But I'm not even hittting 17,BANG right to 15??
With your catless dp/rp (same as mine) you should be seeing 17-18 psi even on stock tune with occasional very quick spikes (only at initial WOT) to 20-21 psi with immediate settle to target, which would, again be about 17 even on stock tune if you have a catless dp. The increased exhaust flow raises boost that much.
And yes, some changes in atmospheric conditions including ambient air and humidity changes will cause the ECU to make adjustments that might not allow you to develop full boost potential.
As to what Hypertech tune is doing in your situation, I can't say. But I'd not feel comfortable with the car holding boost at levels above 18 psi, and certainly not 20 psi at rpm's above 5,500 rpm. In cold weather are your seeing any fuel/load cut on that tune? If Hypertech kept the safety features in place, you should get slapped hard with load cut when you cross 17.5 psi in cold weather.
Maybe the ECU had to "relearn" from the new mapping and its effect on your mods? But 20 psi sustained is a dangerous way to learn, IMHO.
Agree with eveything in your post, Other than with the catless DP I still was only seeing 15PSI, Maybe 15 1/2. But nothing over that. The first few days with the hypertech I was seeing 20PSI and AF was a safe 10.8-10.5 WOT( AEM WIDEBAND) The stock AF's where at 11.3. So I was not lean YET?? I know that may change when it's like 20 degress out but as for as in the 60's I was fine.. But now to go back to 15 PSI( Stock) after 4 days is puzzling. I also agree with maybe the ECU learned the new maps but why would it go back to stock boost unless it just took over the flash??
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