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skeze Reader
12/9/10 12:23 a.m.

I see this phrase here quite a bit and was curious so I looked it up and found that it is somekind of engine management system.

Is this what i will need to be able to put an engine from a Mercedes W129 chassis into my W202 chassis,OR IS THERE MORE TO IT THAN THAT? (I hate cap lock).

anything info to enlighten me would be great.

fast_eddie_72 Reader
12/9/10 1:07 a.m.

It's stand alone, programmable engine management. It can control both fuel and spark. Could it be used for an engine swap? Sure, but you don't need it. You could swap in the factory EFI computer.

Megasquirt lets you do all kinds of modifications to an engine that the stock computer wouldn't work with. Or lets you do your own set up with power or economy in mind. I'll ultimately end up with one if only to get rid of the stupid flapper door AFM on my Celica. Megasquirt uses uses a MAP.

Lots of info here:


"The MegaSquirt line of Engine Management Systems are Do It Yourself (DIY) systems capable of full standalone engine management a a fraction of the cost of the what the 'big dogs' charge. They were designed with education and performance in mind, so that the do it yourselfer could learn the in's and out's of engine management and tuning, while learning a good bit about electronics in the process if you choose to build the unit yourself. What you end up with is an incredibly performing EMS that you built yourself for ultimate bragging rights when you leave your buddies behind as a speck in your rearview mirror. And you did this for a quarter to a tenth of the cost of a 'big name' retail standalone ECU. "

Take care,


ww SuperDork
12/9/10 5:36 a.m.


dean1484 Dork
12/9/10 6:55 a.m.

What is Megasquirt? What you make it!

For me is has been a whole lot of fun that has taught me alot about engine management. (And I thought I know alot when I started)

You will make new friends and learn new things. Even if you dont use it on your current project it is well worth getting involved with.

miatame Reader
12/9/10 7:40 a.m.

It makes Jeeps and Turbos good friends and stops crying babies! (the last part may or may not be true)

Drewsifer HalfDork
12/9/10 7:51 a.m.

Black magic.

Plain and simple.

Lance Hardshaft
Lance Hardshaft HalfDork
12/9/10 8:51 a.m.

Megasquirt will help put an end to war and poverty, will align the planets and bring them into universal harmony, and will allow meaningful contact with all forms of life, from extra terrestrials to common household pets.. Until then, it's excellent for turbocharging Fiats!

mndsm Dork
12/9/10 9:10 a.m.

If it doesn't have a turbo and you want to add one? Megasquirt. If it came out of something Japanese and is going into something not Japanese, Megasquirt.

ReverendDexter SuperDork
12/9/10 9:41 a.m.

If you're more familiar with software terminology, Megasquirt is an open-source ECU.

RossD Dork
12/9/10 10:05 a.m.

Since its open source and theres a large group of people all over the world using it, there is almost unlimited possibilities. I saw a guy using MS for something other than engine control... cant remember what it was and where I saw it...on this forum maybe?

Paul_VR6 Reader
12/9/10 10:13 a.m.

It's like sliced bread, but better.

Standalone engine management.

From solder yourself to fully integrated PnP kits (dep on vendor/application). Your level of involvement is a choice.. at least now it is!

If you can post details about the car and the engine I'll share what I can on specifics.

Giant Purple Snorklewacker
Giant Purple Snorklewacker SuperDork
12/9/10 10:20 a.m.

Mega Squirt is my adult film alias.

Ranger50 Reader
12/9/10 10:26 a.m.

Open source = WIN!

I helped a friend with his turbo'd stang running an ACCEL Gen7 box...... UGH. He has been taking it to a guy who tunes with SCT almost exclusively..... There were many problems with his fuel table and now that I know what the dumb numbers mean on the berkeleying thing..... I have it running much better. Went from a popping, farting 11.6 to a smooth 10.55 pass with just a few keystrokes.

Now if he would just put in a non Bob Costas cam in it...... he could be running 9.5's.


alfadriver SuperDork
12/9/10 10:51 a.m.
Giant Purple Snorklewacker wrote: Mega Squirt is my adult film alias.

Tell me why it is not surprising that you even HAVE an adult film alias.

The MS part would be expected, of course.

Giant Purple Snorklewacker
Giant Purple Snorklewacker SuperDork
12/9/10 10:53 a.m.
alfadriver wrote: Tell me why it is not surprising that you even *HAVE* an adult film alias.

When you have a gift it is important that you share it with the world. I am just a natural giver.

tuna55 Dork
12/9/10 11:50 a.m.
Giant Purple Snorklewacker wrote:
alfadriver wrote: Tell me why it is not surprising that you even *HAVE* an adult film alias.

When you have a gift it is important that you share it with the world. I am just a natural giver.

On that note, I think I'll use "natural giver"

skeze Reader
12/9/10 6:19 p.m.

Super awesome...

curtis73 HalfDork
12/9/10 6:44 p.m.
What is mega squirt?

My screen name on several forums

Bah dum dum - tsssss

Thank you, I'll be here all week.

MrJoshua SuperDork
12/9/10 7:58 p.m.

For all you porn alias lovers: don't forget the MegaStim!

dean1484 Dork
12/9/10 8:19 p.m.
MrJoshua wrote: For all you porn alias lovers: don't forget the MegaStim!

And a "Microsquirt"?.. . .

Nope.. . . not going to take that any further.. . .. . . .

Moparman Reader
12/9/10 11:11 p.m.

I would love to Megasquirt my Charger 2.2

turboswede SuperDork
12/10/10 1:15 p.m.

In reply to Moparman:

So, what's stopping you? :)

evildky Dork
12/10/10 1:22 p.m.

what isn't megasquirt?

Big McLargehuge
Big McLargehuge HalfDork
12/10/10 2:00 p.m.
evildky wrote: what isn't megasquirt?

a telephone, a pie, a scanning electron microscope, a housepet, a sexual aid.... quite a long list actually

bigbens6 New Reader
12/10/10 3:23 p.m.

Its pretty amazing, i have only used it on my friends NA build, but there are add ons for nitrous, turbos, multiple tunes from power, economy, valet modes... you can control meth or H20 injection, stor maps for different octanes, its ALOT cheaper, but you are also using open source so that map that one guy with the one car in that one town SWEARS is amazing, may blow your car up and your out on your own with the peices, that being said the comunity is 100% trying to be helpful even if things dont go right the first time.... very rewarding experience... long time to learn it all and install it all though...

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