 MS pro mini ECU |
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| technicalninja |
 Jul 17 2024, 08:35 AM
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#1
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Senior Member  Group: Members Posts: 1,807 Joined: 31-January 23 From: Granbury Texas Member No.: 27,135 Region Association: Southwest Region 
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Just noticed this from diyautotune.com
A MS PRO mini... https://www.diyautotune.com/product/the-ms3...-mini-ecu-only/ That is a KICK ASS little ECU that has long term fuel trims, VVT support, E/85 support and a bunch of higher-level ECU functions for $600! This should work great on any 4 cylinder. On a 4 it is sequential fuel/COP spark. You can run waste spark on a 6-8 and sequential on up to 8 injectors. It's got abilities that a T4 will never need but at that price point I don't think it can be beat. Had it been available when I bought my M3X P+P (MSM Miata) from them I would have gone Pro mini. I'd have saved $500... |
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| GregAmy |
Jul 17 2024, 08:49 AM
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#2
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Advanced Member Group: Members Posts: 2,351 Joined: 22-February 13 From: Middletown CT Member No.: 15,565 Region Association: North East States
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That is pretty cool...
But that's why I went with the $300 Microsquirt on my 914 (see sig). Wasted spark, batch injection, full fuel and ignition control... |
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| technicalninja |
Jul 17 2024, 09:59 AM
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#3
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Senior Member Group: Members Posts: 1,807 Joined: 31-January 23 From: Granbury Texas Member No.: 27,135 Region Association: Southwest Region
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Yep, the Micro IS the cost leader. A very capable little critter...
This pup is the next level. It's a BUNCH closer (and sometimes exceeds!) what a real 3X can do for 1/2 the price. |
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| GregAmy |
Jul 17 2024, 11:50 AM
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#4
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Advanced Member Group: Members Posts: 2,351 Joined: 22-February 13 From: Middletown CT Member No.: 15,565 Region Association: North East States
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DIY Autotune has been one of my fav companies for many years. Super nice team, sharp, and make some innovative products.
Their MSPnP line is fantastic (if they make one for your car). I've used them in Miatas, Toyotas, and Fords. Now if I can just get them to make one for my 968*... Cool stuff. - GA *We've corresponded on my developing one for the 968; biggest hangup (versus the existing MS2-based 944 one) is supporting the Variocam. We could use one of the MS3-based BMW setups for a baseline but as a one-off it would be spendy, at around $1800 or so. And I really don't think there's a large enough market to make it worthwhile...but I'd love to have it. |
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| jd74914 |
Jul 17 2024, 12:38 PM
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#5
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Its alive Group: Members Posts: 4,794 Joined: 16-February 04 From: CT Member No.: 1,659 Region Association: North East States |
Totally agree with Greg. DIY Autotune is a great company and their products have come a long way over the last 20 years. Though I do wish they chose some slightly better components on the Microsquirt. (IMG:style_emoticons/default/laugh.gif)
The Pro Mini looks really really cool. I also would have gone with this over an MS3. |
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| mb911 |
Jul 17 2024, 07:20 PM
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#6
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914 Guru Group: Members Posts: 7,147 Joined: 2-January 09 From: Burlington wi Member No.: 9,892 Region Association: Upper MidWest
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QUOTE(jd74914 @ Jul 17 2024, 10:38 AM)  Totally agree with Greg. DIY Autotune is a great company and their products have come a long way over the last 20 years. Though I do wish they chose some slightly better components on the Microsquirt. (IMG:style_emoticons/default/laugh.gif) The Pro Mini looks really really cool. I also would have gone with this over an MS3. My ms2 seems pretty good quality ? |
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| jd74914 |
Jul 17 2024, 11:32 PM
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#7
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Its alive Group: Members Posts: 4,794 Joined: 16-February 04 From: CT Member No.: 1,659 Region Association: North East States |
Oh no, I think they are all generally pretty good quality. On the first micros there was crappy speed pickup noise rejection which would result in loosing speed sync. It was mostly a problem for inline engines, particularly out of bikes. So it didn’t really matter to most people, but it really sucked for me and caused me to curse the DIY auto tune name for a few years. (IMG:style_emoticons/default/laugh.gif)
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| mb911 |
Jul 18 2024, 04:23 AM
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#8
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914 Guru Group: Members Posts: 7,147 Joined: 2-January 09 From: Burlington wi Member No.: 9,892 Region Association: Upper MidWest
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QUOTE(jd74914 @ Jul 17 2024, 09:32 PM) Oh no, I think they are all generally pretty good quality. On the first micros there was crappy speed pickup noise rejection which would result in loosing speed sync. It was mostly a problem for inline engines, particularly out of bikes. So it didn’t really matter to most people, but it really sucked for me and caused me to curse the DIY auto tune name for a few years. (IMG:style_emoticons/default/laugh.gif) Gotcha makes sense |
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| technicalninja |
Jul 18 2024, 07:51 AM
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#9
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Senior Member Group: Members Posts: 1,807 Joined: 31-January 23 From: Granbury Texas Member No.: 27,135 Region Association: Southwest Region
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QUOTE(jd74914 @ Jul 18 2024, 12:32 AM) Oh no, I think they are all generally pretty good quality. On the first micros there was crappy speed pickup noise rejection which would result in loosing speed sync. It was mostly a problem for inline engines, particularly out of bikes. So it didn’t really matter to most people, but it really sucked for me and caused me to curse the DIY auto tune name for a few years. (IMG:style_emoticons/default/laugh.gif) Most inline motorcycle engines have a redline DOUBLE what a T4 does... Some are a factor of 3! Running ANYTHING on a 12k+ engine is a serious challenge! It's a wonder it worked at all. When you "do the math" there is not enough time at 15k to complete a "fuel burn" across a 2" bore. Get close to a 4" cylinder and you NEED double the time! @jd74914 You were PUSHING HARD! |
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| GregAmy |
Jul 18 2024, 08:05 AM
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#10
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Advanced Member Group: Members Posts: 2,351 Joined: 22-February 13 From: Middletown CT Member No.: 15,565 Region Association: North East States
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QUOTE(jd74914 @ Jul 17 2024, 01:38 PM) DIY Autotune is a great company and their products have come a long way over the last 20 years. I became familiar with them in the early- to mid-00s when I was racing an SR20DE-powered NX2000 and we were using this ECU called "Calumsult", where a friend (Calum) had chipped the stock ECU and installed on-board USB connectivity (a big thing back, then instead of having to pull the chip and use a Moates board to burn changes). I didn't know j-shat about tuning and was heading down to Road Atlanta, these guys invited me in to help tune the car and we won that championship race... I talked 'em into building a PnP for the SR20DE (second one ever, as I recall, right behind the NA Miata) and I ran that and began to learn tuning...and the rest, as they say... I think the original family has sold the biz but their service and support have continued to be excellent even since. - GA |
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| jd74914 |
Jul 18 2024, 12:54 PM
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#11
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Its alive Group: Members Posts: 4,794 Joined: 16-February 04 From: CT Member No.: 1,659 Region Association: North East States |
QUOTE(technicalninja @ Jul 18 2024, 08:51 AM) Most inline motorcycle engines have a redline DOUBLE what a T4 does... Some are a factor of 3! Running ANYTHING on a 12k+ engine is a serious challenge! It's a wonder it worked at all. When you "do the math" there is not enough time at 15k to complete a "fuel burn" across a 2" bore. Get close to a 4" cylinder and you NEED double the time! @jd74914 You were PUSHING HARD! (IMG:style_emoticons/default/aktion035.gif) Sequential ignition/injection is really needed at these high speeds to give the injectors and coils a break (obviously depending on component and ECU driver selection). After the Microsquirt failure we went down the PE ECU (worse), then Adaptronic e420c (great product!), then Life Racing F88/Syvecs S8 route. Basically went from backyard to LMS-grade. (IMG:style_emoticons/default/laugh.gif) The more expensive stuff had much better signal processing with dedicated FPGAs. If I was starting again I would have bought/designed a signal pre-processor so the Microsquirt only got a square pulse-live and learn. |
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| jd74914 |
Jul 18 2024, 01:04 PM
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#12
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Its alive Group: Members Posts: 4,794 Joined: 16-February 04 From: CT Member No.: 1,659 Region Association: North East States |
QUOTE(GregAmy @ Jul 18 2024, 09:05 AM) QUOTE(jd74914 @ Jul 17 2024, 01:38 PM) DIY Autotune is a great company and their products have come a long way over the last 20 years. I became familiar with them in the early- to mid-00s when I was racing an SR20DE-powered NX2000 and we were using this ECU called "Calumsult", where a friend (Calum) had chipped the stock ECU and installed on-board USB connectivity (a big thing back, then instead of having to pull the chip and use a Moates board to burn changes). I didn't know j-shat about tuning and was heading down to Road Atlanta, these guys invited me in to help tune the car and we won that championship race... I talked 'em into building a PnP for the SR20DE (second one ever, as I recall, right behind the NA Miata) and I ran that and began to learn tuning...and the rest, as they say... I think the original family has sold the biz but their service and support have continued to be excellent even since. - GA You know Calum? That's pretty cool. His 'real-time' ECUs were all the rage as I recall. My friend had one on a SR20 in a B13 Sentra. Also cool is you talking them into making a PnP. Maybe even cooler! |
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| mb911 |
Jul 18 2024, 03:22 PM
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#13
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914 Guru Group: Members Posts: 7,147 Joined: 2-January 09 From: Burlington wi Member No.: 9,892 Region Association: Upper MidWest
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It’s a cool little ECU. I have have ms1 and ms2 and both have worked great in the 2 different cars I have used them in. My son wants to turbo his 944 and this would be an ideal setup for it
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| JamesM |
Jul 18 2024, 07:11 PM
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#14
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Senior Member Group: Members Posts: 1,958 Joined: 6-April 06 From: Kearns, UT Member No.: 5,834 Region Association: Intermountain Region |
QUOTE(technicalninja @ Jul 17 2024, 06:35 AM) A MS PRO mini... Its basically the new "Microsquirt" running the MS3 chip instead of the MS2 chip. Completely overkill for 99% of type 4 installs, but impressive none the less. I do like they they moved the main harness connector to the edge rather than the face though. Always felt like that really restricted Microsquirt mounting options. May actually be able to cram this one completely inside a d-jet ECU case. |
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| GregAmy |
Jul 18 2024, 08:25 PM
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#15
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Advanced Member Group: Members Posts: 2,351 Joined: 22-February 13 From: Middletown CT Member No.: 15,565 Region Association: North East States
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QUOTE(jd74914 @ Jul 18 2024, 02:04 PM) You know Calum? That's pretty cool. His 'real-time' ECUs were all the rage as I recall. My friend had one on a SR20 in a B13 Sentra. Hell, I'm pretty sure I've slept with him! (IMG:style_emoticons/default/wink.gif) He and a mutual buddy Kevin Hart visited up here in CT during the NX2000 days and stayed at my house as we tried to figure out tuning the race car. Both were valuable to our success in that egg. QUOTE Also cool is you talking them into making a PnP. Maybe even cooler! That part was easy: I just showed them the SR20DE forums and how much enthusiasm there was for these cars within that community. I was a big part of that at the time. Still have a very big soft spot for the SR20DE (and VE) engines. https://kakashiracing.com/ https://kakashiracing.com/racing_resume.htm Haven't heard from Calum in years, I hope he's doing great. - Greg |
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| ClayPerrine |
Jul 19 2024, 09:40 PM
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#16
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Life's been good to me so far..... Group: Admin Posts: 15,789 Joined: 11-September 03 From: Hurst, TX. Member No.: 1,143 Region Association: NineFourteenerVille
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QUOTE(GregAmy @ Jul 18 2024, 09:25 PM) Still have a very big soft spot for the SR20DE (and VE) engines. I have an 87 Pulsar NX SE powered by a JDM SR20DET out of a GTiR, hooked to a Sentra limited slip transaxle. It definitely needs more brakes. It's for sale if you are interested. |
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| GregAmy |
Jul 20 2024, 05:02 AM
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#17
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Advanced Member Group: Members Posts: 2,351 Joined: 22-February 13 From: Middletown CT Member No.: 15,565 Region Association: North East States
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Now that's pretty cool...did you find one of the "fastbacks" for it?
But no, I've got too many toys... |
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| VaccaRabite |
Jul 22 2024, 01:49 PM
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#18
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En Garde! Group: Admin Posts: 13,528 Joined: 15-December 03 From: Dallastown, PA Member No.: 1,435 Region Association: MidAtlantic Region |
That looks like a really nice improvement over the Microsquirt.
I like that they moved the MAP sensor onto the ECU instead of using a separate MAP sensor. I also agree that the edge mount for the AMPSEAL connector is going to make it easier to mount. Not that the Microsquirt was challenging to mount. But this looks like it could get tucked up into the stock mounting location for the ECU. Zach |
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| windforfun |
Jul 22 2024, 07:15 PM
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#19
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Senior Member Group: Members Posts: 1,936 Joined: 17-December 07 From: Blackhawk, CA Member No.: 8,476 Region Association: None |
Okay, so these are stupid questions perhaps. What is this, why would I want to use this, & how would I use this on a perfectly running stock 1.7?
(IMG:style_emoticons/default/confused24.gif) (IMG:style_emoticons/default/confused24.gif) (IMG:style_emoticons/default/confused24.gif) |
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| technicalninja |
Jul 22 2024, 10:05 PM
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#20
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Senior Member Group: Members Posts: 1,807 Joined: 31-January 23 From: Granbury Texas Member No.: 27,135 Region Association: Southwest Region
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You don't need it on what you have yet...
Someday you will no longer be able to purchase parts for your original FI system and you will be FORCED to us this (or something similar). The same company make a unit half the price of this one that better fits a T4... It's called a "Microsquirt", and others have mentioned it. This is a user adaptable ECU that has the ability to be easily adjusted (via a laptop) to pretty much whatever your heart desires. It will work fine on a stock engine. It will work fine on a MONSTER Raby motor. The one I posted about (at $600) will run a 1500hp K24 or a lawnmower... Whatever you can dream up this will run. It is the difference between an old rotary phone (your original FI) and the very newest smartphone. The coolest thing about it is the price. 20 years ago, nothing this powerful existed. 10 years ago, something with the same abilities was 3 grand plus. The same company makes more powerful units as well. The Hotrod unit "Megasquirt Pro" can track/log 100 different channels of data. It's like having a complete tuning shop IN the car with you. This same company makes dashboards that interface with the units and you can have your normal gauges and with a simple change you now have a full on "lap top" where the gauges were. One nice thing. You can use the unit on your 914 and later remove it and use it on anything you care too. This one is stupid powerful for 4-cylinder engine but still very capable for up to an 8-cylinder engine. It can run a rotary engine as well. The hotrod unit can run a 12-cylinder sequential fuel and spark. It's the future... For chump change! (IMG:style_emoticons/default/ninja.gif) |
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