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Ms3 Pro ultimate

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Old 07-22-2018, 06:36 PM
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Ms3 Pro ultimate

Anyone using the ms3 pro ultimate? Looking into it for a turbo setup with a 4l80e. Because it has trans control built in. Pro/cons?
Old 07-22-2018, 08:13 PM
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Re: Ms3 Pro ultimate

It doesn't have trans control built in, you need a Microsquirt (connected through CANBUS) to control a 4L80E.
Old 07-22-2018, 08:33 PM
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Re: Ms3 Pro ultimate

Originally Posted by Six_Shooter
It doesn't have trans control built in, you need a Microsquirt (connected through CANBUS) to control a 4L80E.
yup you are correct. I didnt see that. I saw the 4l60 & 4l80 support advertised. So it was misleading. I was hoping not to have to run a seperate trans controller. So if i need to. No need to go all out with the ms3 pro ultimate.
Old 07-22-2018, 08:51 PM
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Re: Ms3 Pro ultimate

I hope they fixed the issues with injector drivers on those things
Old 07-22-2018, 08:57 PM
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Re: Ms3 Pro ultimate

Originally Posted by Orr89RocZ
I hope they fixed the issues with injector drivers on those things
Im trying to decide on an efi system. Most ppl have pointed me to the MS3.
Old 07-23-2018, 12:42 AM
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Re: Ms3 Pro ultimate

There have been alot of issues on ms3 pro’s last year or two now. Injector drivers were failing and melting cars down when fuel delivery failed. I would go holley
Old 07-24-2018, 07:44 PM
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Re: Ms3 Pro ultimate

Originally Posted by Orr89RocZ
There have been alot of issues on ms3 pro’s last year or two now. Injector drivers were failing and melting cars down when fuel delivery failed. I would go holley

Holley dominator ecu$1990
Stealth ram harness $350
Trans harness $176
$2516. Holy ****
Old 07-26-2018, 10:06 AM
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Re: Ms3 Pro ultimate

Originally Posted by Orr89RocZ
There have been alot of issues on ms3 pro’s last year or two now. Injector drivers were failing and melting cars down when fuel delivery failed. I would go holley
I think it was like 5 units out of a few thousand, but still any number is unacceptable.

The Holley software is nice and easy to use, but doesn't have all of the features of the MS3 Pro, but not everyone needs all those features.

The MS3Pro module is like $800 and can fit inside a factory PCM case for a plug-n-play combo. It's all SMT electronics so it's more reliable than the v3.x based PCB's.


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Old 07-26-2018, 10:10 AM
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Re: Ms3 Pro ultimate

Originally Posted by scamaro355


Im trying to decide on an efi system. Most ppl have pointed me to the MS3.
Do you have experience with Megasquirt?

I really like it, but it's flexibility sometimes causes confusion as it's a complex system. Most of the support forums expect you to be an advanced EFI user, so sometimes beginners don't get the level of help they need to be successful.

If you can be specific about the exact requirements you need or want we could probably give you some pros and cons. I.e sequential vs batch fire, what triggering system you use, etc.


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Old 08-20-2018, 04:58 PM
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Re: Ms3 Pro ultimate

I bought this for a turbo 4 cylinder- but haven't used it yet. He has a V8 version with cnp and knock.

https://controls.is/shop/ecu/lpc4
Old 08-20-2018, 05:31 PM
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Re: Ms3 Pro ultimate

Originally Posted by anesthes
I think it was like 5 units out of a few thousand, but still any number is unacceptable.

The Holley software is nice and easy to use, but doesn't have all of the features of the MS3 Pro, but not everyone needs all those features.

The MS3Pro module is like $800 and can fit inside a factory PCM case for a plug-n-play combo. It's all SMT electronics so it's more reliable than the v3.x based PCB's.


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there was wayyy more than that

98% of people dont need anymore than what holley hp gives you

most guys on here dont need anymore than stock 730 ecm tbh

Old 08-30-2018, 09:21 AM
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Re: Ms3 Pro ultimate

Originally Posted by Orr89RocZ


there was wayyy more than that

98% of people dont need anymore than what holley hp gives you

most guys on here dont need anymore than stock 730 ecm tbh

I don't have the actual numbers, but I don't think it was that many vs production totals but it doesn't matter anyway.

But yeah, you are right, most people on here don't need any more than a stock '730. But in regards to performance, this place is dead and stuck in the ages. Most of my exposure to high tech builds is on facebook groups now.

Even the turbo forums are boring now.

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Old 09-30-2018, 05:26 PM
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Re: Ms3 Pro ultimate

Decided on Holley Dominator efi and the Holley lcd dash
Old 10-06-2018, 03:48 PM
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Re: Ms3 Pro ultimate

So the choice was between a $2,500-3,000 setup by Holley or an $800-1000 setup that has (or at least can have the arguable ability) the same features and you went with the $3000 setup? Why?
Old 10-06-2018, 06:17 PM
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Re: Ms3 Pro ultimate

MS3Pro-$1200-$1400 depending on which model I chose.

Wiring harness-$299 plus connectors it’s a flying lead.

Micro squirt 4l80e trans controller and wiring $500 (been out of stock for months)

So there’s and easy $2200 after connectors for wiring harness




Holley dominator efi $1700

Wiring harness-$350 plug and play

4l80e harness $177 dominator controls it also

So there’s roughly $2227




Not much difference and the Holley unit is all plug and play. Plus

Who knows when a micro squirt setup will come back in stock.

Old 10-06-2018, 07:15 PM
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Re: Ms3 Pro ultimate

I think your figures are a little off. If money isn't an issue for you or the Holley has some feature, convenience or warranty that MS didn't then that's fine but otherwise you might take a look again.

DIY AutoTune has the MS3Pro with the harness included for $1500 normally and they will frequently run 10% off making it $1350. I've seen it at 20% off on Black Friday I thought which would make it $1200. I found the MicroSquirt 4L80E controller at two websites that didn't say it was out of stock and allowed me to add it to the cart and go to the payment screen at checkout. Grab a blutooth connector (I can't recall but I know mine wasn't more than $50) and you can mate it to any android phone or tablet.
MS3 Pro $1500 at least $1200
Controller $500
Blutooth controller $50
Total roughly $1750-2050

The Dominator EFI $1700
Wiring harness $350
4L80E harness $177
Holley LCD dash $840
Total roughly $3067
Old 10-06-2018, 07:29 PM
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Re: Ms3 Pro ultimate

Why didn’t you include the lcd for the ms pro at $995 from diyautotune? That brings it closer again. But the screen isn’t a requirement on either setup

as far as the microsquirt I hadn’t looked anyplace else other than diyautotune. Because I didn’t like having to run a separate unit to control the trans.
Old 10-06-2018, 07:49 PM
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Re: Ms3 Pro ultimate

Originally Posted by scamaro355
Why didn’t you include the lcd for the ms pro at $995 from diyautotune? That brings it closer again. But the screen isn’t a requirement on either setup
Didn't mean to be disingenuous I just assumed with the Blutooth link you would just use a tablet and most people now-a-days have a tablet. If you aren't familiar with what it looks like on a tablet, here is one of the screens that mine uses:


Originally Posted by scamaro355
Because I didn’t like having to run a separate unit to control the trans.
I figured it had to be something like that. I know some guys that also only buy big name parts because they are building a show car and are looking to win big awards, didn't know if it was something like that either.
Old 10-06-2018, 08:04 PM
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Re: Ms3 Pro ultimate

Screen looks nice. But id have to buy a tablet. Lol. Never had s use for one. Ill admit also ive never messed with tuning an aftermarket efi.. and the software looks more user friendly and straight forward on the holley.
Old 10-06-2018, 08:40 PM
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Re: Ms3 Pro ultimate

Originally Posted by scamaro355
Ill admit also ive never messed with tuning an aftermarket efi.. and the software looks more user friendly and straight forward on the holley.
Yeah, Holley might be a better choice then.
Old 10-08-2018, 06:48 AM
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Re: Ms3 Pro ultimate

Originally Posted by Tibo
Yeah, Holley might be a better choice then.
I think it's time for MS4. The trans controller needs to be built into the main ECU. This is probably what hangs up a lot of people.

That, and when they realize they don't know how to tune they can just drop it off at a Holley shop.

I'm still running MS2 though and the car runs perfect.

It's my stock Corvette that keeps having PCM issues. GM electronics are junk lol.


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Old 10-08-2018, 09:22 AM
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Re: Ms3 Pro ultimate

I'd be interested in the ability to add the feature to a new ecm along with a VSS buffer OR an internal GPS feature. I think making the Transmission controller with harness standard would drive up the price by $300? maybe less? If you had a manual tranny it's something you wouldn't need either and that's been one of the big features of the MS Platform, being able to buy only what you require. Bare bones fuel only MS1 or shoot-the-moon MS3 Pro with a trans controller.
Old 10-08-2018, 12:52 PM
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Re: Ms3 Pro ultimate

Originally Posted by Tibo
I'd be interested in the ability to add the feature to a new ecm along with a VSS buffer OR an internal GPS feature. I think making the Transmission controller with harness standard would drive up the price by $300? maybe less? If you had a manual tranny it's something you wouldn't need either and that's been one of the big features of the MS Platform, being able to buy only what you require. Bare bones fuel only MS1 or shoot-the-moon MS3 Pro with a trans controller.
I see your point, it's definitely a 'modular' system where you buy what you need.

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