06-27-2013, 09:34 AM | #141 | |
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The compensations I refer to are in regards to timing not fuelling, i was worried that i would be running too much timing for the extra load but so far DAM is rock solid at 1 and we are getting NO knock correction. Based on my comparisons of datalogs we are getting about 40% more flow in the low end, this should equate into a nice bump of torque. |
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06-27-2013, 09:39 AM | #142 | |
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The engineer behind this new compressor designed it specifically to negate the surge you are talking about. |
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06-27-2013, 09:48 AM | #143 | |
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Im at a really shitty alttitude, a car with visconti and SRT headback made 165whp. Ive only taken a couple logs but my highest load reading is 1.35 at 4000rpm so far. |
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06-27-2013, 10:33 AM | #144 |
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Just went out for another datalog and hit 100g/s at 2800rpm, this correlated to a engine load of 1.95
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06-27-2013, 10:54 AM | #145 |
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It appears i may have reached the limits of a NA tune, going WOT at VERY low RPM's causes (P0108 - MAP Pressure Circuit High Input).
It seems the map i am running may know that 4.6psi is not what it is suppose to see. We are working on a resolution for this, the torque down low is really nice with the supercharger on It appears although visconti has higher limits than factory, greater than 1.6g/rev(1.95 peak) load between 2700 and 3400 may be out of his spec. |
06-27-2013, 11:53 AM | #146 |
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Why haven't you brought it by for a Dyno yet??
We have your "before" sheet, lets get the "after". I got time before 7:30. |
06-27-2013, 12:17 PM | #147 |
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06-27-2013, 12:54 PM | #148 | |
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Also, there are internal compensations for load. If you doing the manaul conversion from g/s to g/rev your result will probably be higher than what the ecu sees by a little bit. Though with ecutek you should be able to log g/rev directly from ram. So, yeah, like i said... on a stock car with no tune bad things would probably happen... He is WAY over the stock load limit which caps timing and fueling (as in too much timing and not enough fueling).
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06-27-2013, 12:55 PM | #149 |
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Flash in a stock map with ecutek first and you should be good to go.
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06-27-2013, 01:18 PM | #150 |
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There have been numerous attempts to take this concept (which is valid and exciting) to the aftermarket, I have even spent more time than I'd like to admit tinkering with the numbers looking at the efficiency rates of the alternator, storage device (battery) motor windings and impeller design, to see what kind of overall net loss an electric supercharger provides. it is an overall net loss, don't care how you cut it, as long as you are creating heat or noise there is not 100% efficiency so the power used to overcome the load on the alternator, while it is spread out over a longer time period, you will never be able to drive this system off the alternator and make HP....perpetual motion is a desire not a design. Having said all of that it would be cool if someone finally packaged a system, and was upfront about the realistic usage of the product (which this company seems to have done.) |
06-27-2013, 01:23 PM | #151 | |
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sounds like you need to stop offering advice on how ECU's work. when you reach or exceed the max load the ECU pulls timing and adds fuel...this isn't 1984, there is enough logic for these cars to stay alive even with some of our resident hack job tuners, and these cars have a very responsive knock sensor and thorough knock retard function built into the logic... also there is no need for a 3bar map in a car that will only see 1.5 bar of total fluctuation (1st bar is vacuum to atmospheric pressure remember, and this doesn't have the potential to make 7 psi, which the stock map should read fine) |
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The Following User Says Thank You to SkullWorks For This Useful Post: | Fast_Freddy (06-27-2013) |
06-27-2013, 01:25 PM | #152 |
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06-27-2013, 01:26 PM | #153 | |
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Apples = storage of electric energy Oranges = release of electric energy in order to let us burn more fuel for energy. |
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06-27-2013, 01:36 PM | #154 | |
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Turbos and belt driven blowers are not 100% efficient either. Does that mean no one should use one of those?
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