MS-II Sequencer
#22
It's a couple of things that limits the current model to two channels, mostly processor outputs and keeping the board backward compatible with MS-I. Each injector channel needs two outputs, one for the regular pulse and the other for PWM current limiting. Some people have talked about modifying an MS-II for sequential injection on four channels by adding peak and hold driver boards to it, but this may be some ways away.
If it's based on V2.xx, does that leave V3.xx people orphaned?
#24
Actually, the Sequencer is its own surface mount board that's more closely related to the Microsquirt than anything else. It's possible that there may be an add-on version of it for existing Megasquirts, but there's no promises there.
Sorry, we don't. It's still in early testing stages and sometimes you never know what turns up there.
Originally Posted by RdSnake
Matt Cramer:
Do you guys or MS retailers have a more definite ETA on the sequencer?
Do you guys or MS retailers have a more definite ETA on the sequencer?
#25
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Sequential injection improves low rev mpg, you can run leaner at idle and it smooths the idle out too.
power is negligable to zero in terms of gains, at WOT the injectors spend more time on than off so sequential batch or bank fire it's all pretty much of a muchness.
#26
Read up much? http://www.megamanual.com/MS%20FAQ.htm#sequential
Sequential injection improves low rev mpg, you can run leaner at idle and it smooths the idle out too.
power is negligable to zero in terms of gains, at WOT the injectors spend more time on than off so sequential batch or bank fire it's all pretty much of a muchness.
Sequential injection improves low rev mpg, you can run leaner at idle and it smooths the idle out too.
power is negligable to zero in terms of gains, at WOT the injectors spend more time on than off so sequential batch or bank fire it's all pretty much of a muchness.
Also it likely helps on many-cylinder engines, in the same way.
#27
Read up much? http://www.megamanual.com/MS%20FAQ.htm#sequential
Sequential injection improves low rev mpg, you can run leaner at idle and it smooths the idle out too.
power is negligable to zero in terms of gains, at WOT the injectors spend more time on than off so sequential batch or bank fire it's all pretty much of a muchness.
Sequential injection improves low rev mpg, you can run leaner at idle and it smooths the idle out too.
power is negligable to zero in terms of gains, at WOT the injectors spend more time on than off so sequential batch or bank fire it's all pretty much of a muchness.
I am after over all quality of the cars' driveablility. Who wouldnt want factory like idle, tip in and transition? The difference in horsepower numbers may be negligible but overall quality of the setup would surely improve. Of course, for somebody who drives at WOT all the time, it wouldn't make much of a difference, would it?
#28
I am after over all quality of the cars' driveablility. Who wouldnt want factory like idle, tip in and transition? The difference in horsepower numbers may be negligible but overall quality of the setup would surely improve. Of course, for somebody who drives at WOT all the time, it wouldn't make much of a difference, would it?
Low ohm injectors and sequential injection are two big improvements, as are staged injectors. Then again, so are stock cams.
Someday, I'll get biggie cams, you know, when I get biggie pistons and blocks and such.
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