NEW adapter board for megasquirtII to 86-88 tpi cars
06-18-2009, 11:44 AM
#101
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Re: NEW adapter board for megasquirtII to 86-88 tpi cars
you do not send your ecm enywhere then garage, MSII and adapter you can find on Diyautotune.com and all software + manual can be found on www.megamanual.com
best regards
best regards
06-20-2009, 08:08 AM
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Re: NEW adapter board for megasquirtII to 86-88 tpi cars
ok, i've plugged MSII into harness and with configured MegaTune wanted to burn settings to it, MegaTune does see MSII, it does succesfully confirms connection; but Battery indicator states Battery LOW, and when i oppened VoltGauge in MSII is shows 0V 
i'm wondering if its something wrong with adapter or MSII or is it some sort of setting that i don't know about ??
best regards
i'm wondering if its something wrong with adapter or MSII or is it some sort of setting that i don't know about ??best regards
06-20-2009, 11:06 AM
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Re: NEW adapter board for megasquirtII to 86-88 tpi cars
ufff, it works, sticker was saying Firmware v2.8880 but was actualy 2.6, i've upgraded it to 2.89 and it works with no problem 
best regards
best regards
06-21-2009, 01:16 AM
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Re: NEW adapter board for megasquirtII to 86-88 tpi cars
Keep us updated! I want to know how it runs!
06-21-2009, 06:12 AM
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Re: NEW adapter board for megasquirtII to 86-88 tpi cars
yesterday i managed to fire it up with some basics maps found on internet (close setup except injectors and bigger heads) and car runs quite smooth (even with NB), tommorow i'll be mounting LC-1 and starting to tune as on next weekend i have racing event and want to brake 12's (on street not strip), i'll put my spec and config with maps propably on begining of July
best regards
best regards
06-29-2009, 10:01 AM
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Re: NEW adapter board for megasquirtII to 86-88 tpi cars
So with this adapter board, what is the best ignition circuit to use? (Hall or VR)
06-29-2009, 04:44 PM
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Re: NEW adapter board for megasquirtII to 86-88 tpi cars
Ok, that was my suggestion as well. Thanks
07-01-2009, 06:30 AM
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Re: NEW adapter board for megasquirtII to 86-88 tpi cars
first thing is i must say i'm such a dumbass, when i fiered a car i thought i started it with MSII but i was wrong - i asked my brother to connect MS to harness and hide it begind the dash, but i havn't checked that and after a day i found it was stock ECM - he didn't know which one is which and he choosed stock one without asking, so i replaced it with MSII and wanted to start with it, but it wouldn't so i opened Megatune and checked what is going on when cranking, and it is not cranking, RPM gauge shows 0, all others show values except this one, cranking indicator shows "No Cranking", after suggestions from Toehead i checked if jumpers for ignition but they are ok, all settings in MT seem to be ok - checked by Matt Cramer, he suggested to remove Pin B on ignition module and check if i get spark so will do this, but maybe any other ideas what to check ??
best regards
so i opened Megatune and checked what is going on when cranking, and it is not cranking, RPM gauge shows 0, all others show values except this one, cranking indicator shows "No Cranking", after suggestions from Toehead i checked if jumpers for ignition but they are ok, all settings in MT seem to be ok - checked by Matt Cramer, he suggested to remove Pin B on ignition module and check if i get spark so will do this, but maybe any other ideas what to check ??best regards
07-01-2009, 01:01 PM
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Re: NEW adapter board for megasquirtII to 86-88 tpi cars
ok as Matt Cramer asked, with pin B no spark at all, with removed - car starts without any problem (except it needs a bit of tuning), what do i need to do or replace to make it work with pin B connected ??
i especialy bought TPI adatper to avoid doing any wiring
best regards
i especialy bought TPI adatper to avoid doing any wiring
best regards
07-01-2009, 05:58 PM
#111
Re: NEW adapter board for megasquirtII to 86-88 tpi cars
Matt from DIYautotune is working to support this issue with background support from myself. Today being Canada Day most folks are enjoying our national holiday.
It appears that the HEI module is not getting a timing reference.
It appears that the HEI module is not getting a timing reference.
07-05-2009, 05:45 PM
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Re: NEW adapter board for megasquirtII to 86-88 tpi cars
any updates?
07-05-2009, 06:53 PM
#113
Re: NEW adapter board for megasquirtII to 86-88 tpi cars
I'd expect we'll get an update from Wasyl/Matt tomorrow. Friday was a day off for most folks in the US and I think DIYautotune was closed.
07-06-2009, 09:28 AM
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Re: NEW adapter board for megasquirtII to 86-88 tpi cars
hey guys... sorry i've been out of the loop for so long. just completed a retarded 8 month project at work so i get to have more normal hours again. i've been fighting with my car trying to get a tune to work when i decided to slap my other computer back in and discovered there is actually something wrong with my car. hoping within the next week to have it running well again so i can get back to the megasquirt.
perhaps i misunderstood an earlier post, but with the vss not passed through on this board, will my speedo and cruise control not work?
perhaps i misunderstood an earlier post, but with the vss not passed through on this board, will my speedo and cruise control not work?
07-06-2009, 01:25 PM
#115
Re: NEW adapter board for megasquirtII to 86-88 tpi cars
The 86-89 ecm has a vss input but the processing/conversion etc. is done elsewhere - you might want to verify this I think its done by the DRAC module. So your speedo/cruise should still work. The later ECM's (7730)integrated this function.
07-06-2009, 01:28 PM
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Re: NEW adapter board for megasquirtII to 86-88 tpi cars
excellent.. i just havn't gotten it running well enough on the ms to drive the damn thing. once i nail down my fuel pressure issue i will be back in business.
07-15-2009, 01:22 PM
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Re: NEW adapter board for megasquirtII to 86-88 tpi cars
I have some questions concerning this mod(adapter). I have an 87' TPI setup. It's MAF regulated and some parts are modified. I will soon be running forced induction(suerpcharger, moderate boost). To be specific. This is a plug and play setup? I get the ECM which is basically(rebuilt) to megasquirt specs and Download the software and tune it accordinlgly? I was away from the car stuff, so alot has escaped me, but im getting back on it. I'm located in New York and if the product works as I think it does, I'm interested. How much for the complete kit and what's included? What do I need to send and how do I go about information? Thanks
07-15-2009, 07:43 PM
#118
Re: NEW adapter board for megasquirtII to 86-88 tpi cars
See mid message body for your answers
I have some questions concerning this mod(adapter). I have an 87' TPI setup. It's MAF regulated and some parts are modified. I will soon be running forced induction(suerpcharger, moderate boost). To be specific.
This is a plug and play setup? The adapter board allows you to plug a Megasquirt into your factory harness without have to chop the harness up.
I get the ECM which is basically(rebuilt) to megasquirt specs and Download the software and tune it accordinlgly? << Not quite - the megasquirt replaces the GM ECM outright.
You either buy a pre-built megasquirt or a kit which you assemble. Then you download the tuning s/w (free) and install a tune up for the TPI application - then fine tune from there. More than one person has a TPI car running on MS so you can get a starting tune from them.
I was away from the car stuff, so alot has escaped me, but im getting back on it. I'm located in New York and if the product works as I think it does, I'm interested. How much for the complete kit and what's included? What do I need to send and how do I go about information?
email sales at www.diyautotune.com
they will help you out to get what you need.
Thanks
This is a plug and play setup? The adapter board allows you to plug a Megasquirt into your factory harness without have to chop the harness up.
I get the ECM which is basically(rebuilt) to megasquirt specs and Download the software and tune it accordinlgly? << Not quite - the megasquirt replaces the GM ECM outright.
You either buy a pre-built megasquirt or a kit which you assemble. Then you download the tuning s/w (free) and install a tune up for the TPI application - then fine tune from there. More than one person has a TPI car running on MS so you can get a starting tune from them.
I was away from the car stuff, so alot has escaped me, but im getting back on it. I'm located in New York and if the product works as I think it does, I'm interested. How much for the complete kit and what's included? What do I need to send and how do I go about information?
email sales at www.diyautotune.com
they will help you out to get what you need.
Thanks
07-16-2009, 02:13 AM
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Re: NEW adapter board for megasquirtII to 86-88 tpi cars
ok a small update on what is going on, Matt Cramer found out that even when adapter is used some of aftermarket ignition modules won't work so there is still need to make this circuit with relay
i've done it yesterday evening and it works, once again thanks for every one for help and special thanks for efi-diy for making this adapter and all the support he gave
best regards
i've done it yesterday evening and it works, once again thanks for every one for help and special thanks for efi-diy for making this adapter and all the support he gave
best regards
07-16-2009, 07:27 AM
#120
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Re: NEW adapter board for megasquirtII to 86-88 tpi cars
which after market ignition module are you using?
07-16-2009, 02:05 PM
#121
Re: NEW adapter board for megasquirtII to 86-88 tpi cars
What we found out is some HEI ignition modules won't fire during cranking unless they are on fixed timing. Quick test for this with the MS installed if it won't start unplug the set timing connector.
The fix for this is to wire the ECM connector pin C9 to the starter solenoid circuit that is hot only in crank position via a 1 amp fuse. It was easier for Wasyl to wire an external relay than find/reuse an extra ECM terminal - kind of hard to come across in Poland.
The fix for this is to wire the ECM connector pin C9 to the starter solenoid circuit that is hot only in crank position via a 1 amp fuse. It was easier for Wasyl to wire an external relay than find/reuse an extra ECM terminal - kind of hard to come across in Poland.
07-20-2009, 06:56 AM
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Re: NEW adapter board for megasquirtII to 86-88 tpi cars
Just a quick question..
To use the Fidle port to control a fan you would jumper C1 (fan) to A2
Is A2 used?
To use the Fidle port to control a fan you would jumper C1 (fan) to A2
Is A2 used?
07-21-2009, 07:11 PM
#123
Re: NEW adapter board for megasquirtII to 86-88 tpi cars
http://www.diyautotune.com/downloads...schematics.pdf
The fast idle output is connected to C1 - A2 is not used.
The fast idle output is connected to C1 - A2 is not used.
07-21-2009, 08:56 PM
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Re: NEW adapter board for megasquirtII to 86-88 tpi cars
Oh excellent. I was just wondering, as the DIYautotune page states that it is connected to A2.
Thanks!
Thanks!
07-31-2009, 07:51 AM
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Re: NEW adapter board for megasquirtII to 86-88 tpi cars
Hi all,
New to the board. I'm using a '7730 ECM on an LA1 3400, so looking for that adapter with keen interest. Any thoughts on using the new microsquirt module: http://www.microsquirt.com/viewtopic.php?t=23315? for this app? I won't need the speedo or cruise functions, but understand that many will. thnx!
New to the board. I'm using a '7730 ECM on an LA1 3400, so looking for that adapter with keen interest. Any thoughts on using the new microsquirt module: http://www.microsquirt.com/viewtopic.php?t=23315? for this app? I won't need the speedo or cruise functions, but understand that many will. thnx!
08-16-2009, 07:28 PM
#127
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Re: NEW adapter board for megasquirtII to 86-88 tpi cars
Hey guys I'm working on an MS2 v3.0 install on my 88 right now and I've hit a couple snags. I listed them in this thread below if any of you that have already done the install would like to way in and help me out that would be much appreciated.
https://www.thirdgen.org/forums/dfi-...s2-v3-0-a.html
https://www.thirdgen.org/forums/dfi-...s2-v3-0-a.html
09-02-2009, 01:41 PM
#128
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Re: NEW adapter board for megasquirtII to 86-88 tpi cars
Hey guys. Does anyone know if it matters that the donor ECM is a 1228747 or 1227747? I'm not sure what the difference is.
*** OOps, nevermind. I just read earlier in this thread that the 7747 ECU is recommended.*******
Thanks.
*** OOps, nevermind. I just read earlier in this thread that the 7747 ECU is recommended.*******
Thanks.
Last edited by Colt; 09-02-2009 at 09:26 PM.
09-03-2009, 11:50 PM
#130
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Re: NEW adapter board for megasquirtII to 86-88 tpi cars
I guess I should introduce myself to this thread. I've been on this site since 1999 but I don't post much. Lately I'm getting some interest back for my car and I've decided to get more serious about it. I've done cam, heads, LT1 intake, headers and maunal trans swap but I never really addressed the ECM. Before I did the trans and intake swap I did have a ""custom"" chip made for me but driveability was never good. So now I'm going to do the megasquirt. A few days ago I finished the install of the LC-1 wideband. Over the last few days I've been driving the car around and watching the AFR's. Man, are they messed up. I've decided to do the TPI adapter board with the MS. I already ordered the parts from DigiKey and it cost about $8 plus shipping. I didn't purchase the Q2 transistor because I have a manual trans. My next move is to order the TPI adapter board and the "7747" donor ECM. I will let you guys know how it goes. Hey Efi-Diy do you work for DIYAutotune?
Tom
Tom
09-07-2009, 02:05 AM
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09-08-2009, 06:17 AM
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Re: NEW adapter board for megasquirtII to 86-88 tpi cars
Is a Plug And Play kit going to be comming soon for a 92 L98? I am a compleat retard with wires and wiring, and would like somthing for a 92 L98 350 TPI Z28 Camaro. Thank you sir.
Last edited by ScottyRock; 09-13-2009 at 10:43 AM.
10-04-2009, 04:39 PM
#134
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Re: NEW adapter board for megasquirtII to 86-88 tpi cars
Here's some pictures of my adapter for those who haven't done one yet and want to see more pictures. I'm still waiting for the Megasquirt board.
Adapter with 747 donor ecm side rails mounted
Adapter in 747 case, waiting for megasquirt board
Adapter with 747 donor ecm side rails mounted
Adapter in 747 case, waiting for megasquirt board
Last edited by Colt; 10-04-2009 at 06:12 PM.
10-05-2009, 07:41 AM
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Re: NEW adapter board for megasquirtII to 86-88 tpi cars
how will you lead vacuum hose for MAP sensor which is on a same side as ECM connectro
best regards
best regards
10-05-2009, 03:35 PM
#136
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Re: NEW adapter board for megasquirtII to 86-88 tpi cars
I'm not sure. I haven't thought of that yet. I might use the megasquirt MAP for barometric correction and then rewire the leads for the MAF to a MAP mounted on the intake.
Tom
Tom
10-06-2009, 01:07 PM
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Re: NEW adapter board for megasquirtII to 86-88 tpi cars
I also have one that works. I cut a hole into the ecm case and firewall for the map line. Also had to set the ignition output to falling edge.
10-07-2009, 01:26 AM
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Re: NEW adapter board for megasquirtII to 86-88 tpi cars
is there any one that sells this already assembled with adapter board in place. i would love to switch to mega squirt, but soldering boards together and such is not my thing, me and electrical stuff, blech.
10-07-2009, 09:49 PM
#139
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Re: NEW adapter board for megasquirtII to 86-88 tpi cars
I can see where it can seem intimidating but assembling this board is really a piece of cake. Just make sure you have a soldering iron with a small tip and some small diameter solder. Like someone else said, the hardest part is liberating the donor ECM connector. I used a solder sucker tool and desoldering braid.
10-10-2009, 04:52 PM
#140
Re: NEW adapter board for megasquirtII to 86-88 tpi cars
I can see where it can seem intimidating but assembling this board is really a piece of cake. Just make sure you have a soldering iron with a small tip and some small diameter solder. Like someone else said, the hardest part is liberating the donor ECM connector. I used a solder sucker tool and desoldering braid.
10-30-2009, 10:04 PM
#141
Re: NEW adapter board for megasquirtII to 86-88 tpi cars
I usually install the MAP sensor on top the MS 3.0 main board and drill a hole to get the line in. Just make sure you use 2 wire ties to stabilize the hose as the MAP sensor can't be screwed to the board.
11-03-2009, 02:51 AM
#142
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Re: NEW adapter board for megasquirtII to 86-88 tpi cars
Keep us updated on the adapter for the 90-92 TPI Cars!!! Looking forward to that!
11-08-2009, 12:30 PM
#143
Re: NEW adapter board for megasquirtII to 86-88 tpi cars
Over to you....
11-08-2009, 12:49 PM
#144
Re: NEW adapter board for megasquirtII to 86-88 tpi cars
Originally Posted by efi-diy
If someone was to set up a group buy with say 20 orders, it show there is enough interest in the adapter to invest the time needed to do the design. Over to you....
11-09-2009, 02:13 AM
#145
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Re: NEW adapter board for megasquirtII to 86-88 tpi cars
+1 - for my camaro
best regards
best regards
11-09-2009, 11:40 PM
#146
Re: NEW adapter board for megasquirtII to 86-88 tpi cars
Another approach would be to feed the VSS into a GM DRAC module to run the speedo rather than have the adapter board take care of this function.
Comments.. ?? It would mean wiring up the DRAC module separate from the MS install.
Comments.. ?? It would mean wiring up the DRAC module separate from the MS install.
11-11-2009, 12:02 PM
#147
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Car: 92 L98 Z28 Heritage Hard Top
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Re: NEW adapter board for megasquirtII to 86-88 tpi cars
So does this mean I could run MS II in my 92 L98 Z28. I was thinking of trying the Dakota Digital module with MS II. I am doing a 400+ small block this winter and keeping FI. Anyone done this or somthing simialar with the SD Camaros.
11-11-2009, 12:09 PM
#148
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Re: NEW adapter board for megasquirtII to 86-88 tpi cars
100% in for a group buy on the 90-92 TPI adapter board.
11-11-2009, 05:39 PM
#149
Re: NEW adapter board for megasquirtII to 86-88 tpi cars
I have an 870 ecm I would like to convert to megasquirt will a 746 ecm work with the adapter board?
There are already post about repinning to convert the 870 to a 165 that is ok to me. I would like to use the 746 ecm I already have as the donor for the adapter board.
There are already post about repinning to convert the 870 to a 165 that is ok to me. I would like to use the 746 ecm I already have as the donor for the adapter board.