Greedy E-manage On Gsl-se
05-10-2004, 11:31 PM
#11
Senior Member
Join Date: May 2002
Location: California
Posts: 22,465
Originally Posted by 83turbo' date='May 10 2004, 10:39 AM
The Megasquirt will handle boost. The thing I don't care for on the MS is the lack of any real program on the fly capability. The 68HC908 doesn't have any EEPROM - it's all flash I believe. So, the maps are basically part of the code download. From what I'm encountering with my DFI (which DOES program on the fly), this is a big problem.
The impression I get anyway is that the Windoze configurator program is used to make the MS maps off line, then they are sent to the unit.
Also regarding the GSL-SE, I though I read somewhere that a car with a good exhaust will peg the AFM way short of redline, so I would think the performance applications would be limited.
The impression I get anyway is that the Windoze configurator program is used to make the MS maps off line, then they are sent to the unit.
Also regarding the GSL-SE, I though I read somewhere that a car with a good exhaust will peg the AFM way short of redline, so I would think the performance applications would be limited.
05-11-2004, 07:34 AM
#13
Senior Member
Join Date: Nov 2003
Posts: 480
Originally Posted by j9fd3s' date='May 10 2004, 08:31 PM
i put a voltmeter on my afm, and its 100% open by 4500rpms. i actually have it opening a tad more than stock, cause i was running out of fuel up top
05-29-2004, 10:15 PM
#14
Member
Join Date: Mar 2003
Posts: 40
Originally Posted by 83turbo' date='May 10 2004, 10:39 AM
The Megasquirt will handle boost. The thing I don't care for on the MS is the lack of any real program on the fly capability. The 68HC908 doesn't have any EEPROM - it's all flash I believe. So, the maps are basically part of the code download. From what I'm encountering with my DFI (which DOES program on the fly), this is a big problem.
The impression I get anyway is that the Windoze configurator program is used to make the MS maps off line, then they are sent to the unit.
Also regarding the GSL-SE, I though I read somewhere that a car with a good exhaust will peg the AFM way short of redline, so I would think the performance applications would be limited.
The impression I get anyway is that the Windoze configurator program is used to make the MS maps off line, then they are sent to the unit.
Also regarding the GSL-SE, I though I read somewhere that a car with a good exhaust will peg the AFM way short of redline, so I would think the performance applications would be limited.
The Megasquirt can be re-mapped while driving down the road (or dyno), in the same manner as other aftermarket EFI controllers. There are programming interfaces written for Windoze, Linux, and Palm devices.
I've run the MS in my S4 na for about 18 months, and just started running it in my '79 with S4 na. It is a capable system, with lots of wierd and wonderful variations available due to the open source concept. It is not a 'plug-n-play' setup, however, so don't expect to get a plug-in harness kit with your order.
05-29-2004, 11:25 PM
#15
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Join Date: May 2002
Location: California
Posts: 22,465
Originally Posted by 83turbo' date='May 11 2004, 04:34 AM
So here's a relevant question - under what circumstances does the GSL-SE run closed loop? I'm under the impression that it's always except when cold, or when idling (where it won't run stoic anyway). I could be wrong. Anyway, if this is the case, remember that anything you do to tweak the AFM signal will likely get undone by the ECU. (Actually I had another reason for wanting to know this but figured I'd try to stay on topic).
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