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> MicroSquit Conversion, Giving this a try
914Tom
post Sep 12 2017, 04:16 AM
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poorsche914
post Sep 12 2017, 08:49 AM
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QUOTE(914Tom @ Sep 12 2017, 06:16 AM) *
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The journey continues in THIS THREAD

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VaccaRabite
post Sep 12 2017, 08:59 AM
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Now that it is running GET IT DYNO TUNED.

Seriously, you will be chasing your tail for a long time. Let a pro handle it now, and you will be driving your car.

Zach
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Mblizzard
post Sep 12 2017, 09:06 AM
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QUOTE(Vacca Rabite @ Sep 12 2017, 06:59 AM) *

Now that it is running GET IT DYNO TUNED.

Seriously, you will be chasing your tail for a long time. Let a pro handle it now, and you will be driving your car.

Zach


I will do that after I add the ignition component but I don't know of anyone local that does this.
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Mblizzard
post Sep 12 2017, 09:06 AM
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QUOTE(poorsche914 @ Sep 12 2017, 06:49 AM) *

QUOTE(914Tom @ Sep 12 2017, 06:16 AM) *
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The journey continues in THIS THREAD

(IMG:style_emoticons/default/driving.gif)


That's my bitter thread! did not want to discourage people.
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McMark
post Sep 19 2017, 11:56 AM
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Just went through configuring a MicroSquirt brain running MS2E firmware and the trigger offset (Trigger #1 Angle) settings are calculated differently between the two firmwares.

MicroSquirt 3.83 firmware would end up being around 290° as mentioned above.

but...
Mike is running the MS2E firmware and the angle for that is around 60°.


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Mblizzard
post Nov 8 2017, 01:21 PM
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OK so now I am really confused.

I noted Marks comment about the firmware. I noticed that I was not running the latest MicroSquirt Firmware. So I decided to update.

I got a whole bunch of crap that did not seem to work anymore. (IMG:style_emoticons/default/WTF.gif)

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When I made a new project under the new firmware there were a lot less options available for setting things up. Like no programmable on/offs.

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Not sure this is what I want. Any idea if I screwed something up in the firmware update or is this what it is suppose to be?
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crash914
post Nov 8 2017, 01:38 PM
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difference is Microsquirt firmware and MS@Extra firmware.
Both can be run on Microsquirt hardware.

Please list what you are using? unless you did before...
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Mblizzard
post Nov 8 2017, 01:44 PM
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QUOTE(crash914 @ Nov 8 2017, 11:38 AM) *

difference is Microsquirt firmware and MS@Extra firmware.
Both can be run on Microsquirt hardware.

Please list what you are using? unless you did before...


Was running the MS2E firmware V3.0.28 on the Microsquirt controller.
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crash914
post Nov 8 2017, 01:50 PM
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Might be worth it to upgrade to the 3.4.2 version.

here:http://www.msextra.com/downloads
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Mblizzard
post Nov 8 2017, 02:05 PM
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So what I am seeing is that going to the Microsquirt code is a downgrade compared to MS-II?
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crash914
post Nov 8 2017, 02:12 PM
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I am not the best one to answer that, Mark would know better, however for me, I need to use the "EXTRA" code for the sequential injection mode for fuel and spark. The standard code doesn't have that option.
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Mblizzard
post Nov 13 2017, 02:44 PM
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OK so it is clear that the MicroSquirt Code is not what I want to use! Thank goodness for back up files. All switched back to MegaSquirt.

I have been chasing some vacuum leaks for some time. I finally found a major one yesterday. Could not get a photo but on the 2.0 plenum the throttle body is mounted on there are two support tubes that run from the top to the bottom. The weld on both of these tubes is sucking air! Did a quick fix on the top side but I would think it might be leaking on the bottom as well.

Likely explains my idle issues. I think as the engine heated up the break expanded. I checked for leaks countless times but I never thought these would be the source. (IMG:style_emoticons/default/headbang.gif)

Drove for a while after and let the autotune work. Will have to play with the tune a bit more.
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McMark
post Nov 13 2017, 04:53 PM
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I wish there was a 'recommended firmware' page for the MicroSquirt. The MicroSquirt firmware seems to be stagnant at 3.83. I have the impression that MS2E firmware has become the standard. That's what DIYAutotune ships on new MicroSquirt ECUs, and it's what I'm moving everything over to. There's a lot more features.

Cracked and/or rusted plenums seem to be a more and more common issue. I sent one 2.0 plenum out for blasting and powdercoating. Came back with swiss-cheese holes on the bottom. You should pull the entire thing to fix it correctly. (IMG:style_emoticons/default/wink.gif)
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Dave_Darling
post Nov 13 2017, 09:22 PM
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QUOTE(Mblizzard @ Nov 13 2017, 12:44 PM) *
... on the 2.0 plenum the throttle body is mounted on there are two support tubes that run from the top to the bottom. The weld on both of these tubes is sucking air!


A relatively common issue. I've hit it more than once. Anyone with 2.0 manifolds should check those.

--DD
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Mblizzard
post Nov 14 2017, 09:51 AM
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Drove to work this morning running auto tune on my laptop. Revised a number of values on the VE table. But more consistently seeing target AFR matching real-time AFR.

Getting much lower MAP at idle. But I still think I am missing some power. May be that the bottom part of the engine is tired. Wondering if I have some excessive cam wear and I am just not getting full performance. Will work with McMark on that.

I just don't get the quick throttle response from the engine when going along and have to hit it hard. Don't expect it to spin the tires in 5th gear or anything would like to see a bit more punch.

I am using 100% TPS accel enrichment. Will work a bit more on getting the VE table refined and then dial in the TPS accel a bit more. Not seeing it go lean on accel so I think it is getting enough fuel.

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McMark
post Nov 14 2017, 10:46 AM
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Where's the datalog? (IMG:style_emoticons/default/poke.gif)
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Mblizzard
post Nov 14 2017, 11:04 AM
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QUOTE(McMark @ Nov 14 2017, 08:46 AM) *

Where's the datalog? (IMG:style_emoticons/default/poke.gif)


Forgot to push the button! Will log on the way home tonight!
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Mblizzard
post Nov 29 2017, 05:09 PM
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Well thanks to some good weather I have drive the car to work for several days using the auto tune.

After correcting the vacuum leaks it looks like i have a pretty good VE table and using James timing table I am getting some really respectable performance and my CHT temps have been good. Still a bit higher than I would like but even on long hill pulls they don’t go above 370.

The car is a blast to drive now and has good enough performace to keep up with my wife’s Boxster for a bit. Of course it is a base engine with auto trans so that is not as outlandish at it would seem.

Overall a long road but I would still recommend it to others. Can’t say it is light years ahead of the stock system but it does provide more tuning options that will allow you to get the most out of your car while having a very reliable system.
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McMark
post Nov 29 2017, 05:25 PM
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