 Megasquirt Happiness |
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| banger |
 Apr 15 2009, 05:28 PM
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#1
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Member  Group: Members Posts: 354 Joined: 12-November 06 From: Santa Clarita Member No.: 7,205 Region Association: Southern California  |
I finally got my motor back together, and have it running with Megasquirt, and have nothing but praises for it. For those of you who are considering a new fuel injection, I would highly recommend megasquirt. I found it very easy to tune once I got the hang of it. The car starts well every time, has a nice smooth idle. The power is smooth and consistent from 2500-redline. Needless to say I couldnt be happier.
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| dbgriffith75 |
Apr 15 2009, 05:43 PM
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#2
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TheGrif Group: Members Posts: 509 Joined: 25-July 07 From: Iowa, USA Member No.: 7,945 Region Association: Upper MidWest |
QUOTE Megasquirt (IMG:style_emoticons/default/av-943.gif) [BTW, not saying megasquirt is junk- just laughing at the perverted insinuation of the name] |
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| RJMII |
Apr 15 2009, 05:44 PM
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#3
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Jim McIntosh Group: Members Posts: 3,125 Joined: 11-September 07 From: Sandy, Utah Member No.: 8,112 Region Association: None |
MegaSquirt... MS-I or MS-II? which setup are you running?
details and pics? |
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| banger |
Apr 15 2009, 05:53 PM
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#4
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Member Group: Members Posts: 354 Joined: 12-November 06 From: Santa Clarita Member No.: 7,205 Region Association: Southern California |
I started out with MS-1 but then changed to MS-2, since I plan on controlling ignition next. The engine is a bit of a bastard. I started out thinking I would do a stock 1.7 rebuild. But then ended up stroking and counterweighting the crank, so it ended up being 1909cc. Then eneded up putting bigger valves in when the heads were rebuilt. So in the end, its running 9.5 compression, with 1.8 intake and plenum, and a 2.1 vanagon throttle body. The ignition runs through a mallory Hyfire 6, and mallory coil, using the stock distributor. The next step is to change to the vanagon distributor.
QUOTE(RJMII @ Apr 15 2009, 04:44 PM)  MegaSquirt... MS-I or MS-II? which setup are you running? details and pics? |
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| Smitty911 |
Apr 15 2009, 06:01 PM
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#5
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Member Group: Members Posts: 294 Joined: 19-March 08 From: La Mirada, Ca Member No.: 8,830 Region Association: Southern California |
QUOTE(banger @ Apr 15 2009, 04:28 PM) The car starts well every time, has a nice smooth idle. The power is smooth and consistent from 2500-redline. Needless to say I couldnt be happier. What about below 2500 rpm? |
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| banger |
Apr 15 2009, 06:28 PM
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#6
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Member Group: Members Posts: 354 Joined: 12-November 06 From: Santa Clarita Member No.: 7,205 Region Association: Southern California |
Below 2500 is good and torquey, but it really takes off when it hits 2500.
QUOTE(Smitty911 @ Apr 15 2009, 05:01 PM) QUOTE(banger @ Apr 15 2009, 04:28 PM) The car starts well every time, has a nice smooth idle. The power is smooth and consistent from 2500-redline. Needless to say I couldnt be happier. What about below 2500 rpm? |
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| McMark |
Apr 15 2009, 06:59 PM
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#7
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914 Freak! Group: Retired Admin Posts: 20,179 Joined: 13-March 03 From: Grand Rapids, MI Member No.: 419 Region Association: None |
Great to hear, thanks for sharing. (IMG:style_emoticons/default/cool.gif) (IMG:style_emoticons/default/thumb3d.gif)
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| RJMII |
Apr 15 2009, 09:46 PM
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#8
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Jim McIntosh Group: Members Posts: 3,125 Joined: 11-September 07 From: Sandy, Utah Member No.: 8,112 Region Association: None |
QUOTE(McMark @ Apr 15 2009, 06:59 PM) Great to hear, thanks for sharing. (IMG:style_emoticons/default/cool.gif) (IMG:style_emoticons/default/thumb3d.gif) (IMG:style_emoticons/default/agree.gif) Thanks for sharing for sure. =o) I'm hoping to do my MS-II initial fire sometime this month. =o) most of the stuff is there, just need to get some help with the heavy stuff. |
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| wertygrog |
Apr 15 2009, 10:17 PM
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#9
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wertygrog Group: Members Posts: 428 Joined: 12-November 05 From: Long Beach, CA Member No.: 5,114 Region Association: Southern California |
I am planning a MS setup for the 2.5L type 4 I'm building. I was thinking individual throttle bodies. Do you suggest going with MSII from the get go, even if I plan to just do fuel control at first?
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| underthetire |
Apr 15 2009, 10:25 PM
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#10
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914 Guru Group: Members Posts: 5,062 Joined: 7-October 08 From: Brentwood Member No.: 9,623 Region Association: Northern California |
QUOTE(wertygrog @ Apr 15 2009, 09:17 PM) I am planning a MS setup for the 2.5L type 4 I'm building. I was thinking individual throttle bodies. Do you suggest going with MSII from the get go, even if I plan to just do fuel control at first? I am using the Megasquirt 2 as well. Start with that. It has way more options and the V3 board is way more robust. The software to tune it also has a few more features. Mine has a very smooth throttle and 30 mpg. Only one vaccum line to run it as a bonus! |
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| banger |
Apr 15 2009, 11:41 PM
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#11
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Member Group: Members Posts: 354 Joined: 12-November 06 From: Santa Clarita Member No.: 7,205 Region Association: Southern California |
I found that MS-2 was easier as well. MS-2 also has more resolution when controlling the injectors. I am using the stock 1.7 injectors, which are a bit oversized. Using MS-2 allows finer control over the big injectors. I plan to change to individual throttle bodies as well, but am doing things one step at a time. I figured I would get the engine running in a relatively stock configuration, then change it from there. This way you arent working with too many unknown variables at once.
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| Larouex |
Apr 15 2009, 11:49 PM
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#12
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Larouex Group: Members Posts: 144 Joined: 22-July 08 From: Larouex@gmail.com Member No.: 9,339 Region Association: Pacific Northwest |
Has anyone on the forum documented the Mega Squirt process and conversion. I found one on Google and it is okay, but I would like more details.
I am hauling my 2.0 I bought this winter into the shop and it NOW has the stock EFI on it. I have had to put together many of the parts over the last 4 months as some vw-mech scammed the PO by swapping out all the 2.0 specific parts for VW stuff. I had the wrong dizzy, wrong MPS, mixed FI from a 1.7 and 2.0, etc. So now that I have all the parts, I am having a pro bring it up to tune. I already know that I don't want to swap to carbs, but modernizing the EFI via MS might be an interesting update. |
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| banger |
Apr 16 2009, 12:22 AM
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#13
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Member Group: Members Posts: 354 Joined: 12-November 06 From: Santa Clarita Member No.: 7,205 Region Association: Southern California |
Converting over is pretty easy, I kept the injectors, CHT sensor, and Air temperature sensor on mine. I patched the megasquirt into the stock relay board for controlling the fuel pump etc. You would need to add a throttle position sensor, and possibly a wide band O2 sensor. The wide band O2 makes things much easier when it comes to tuning.
QUOTE(Larouex @ Apr 15 2009, 10:49 PM) Has anyone on the forum documented the Mega Squirt process and conversion. I found one on Google and it is okay, but I would like more details. I am hauling my 2.0 I bought this winter into the shop and it NOW has the stock EFI on it. I have had to put together many of the parts over the last 4 months as some vw-mech scammed the PO by swapping out all the 2.0 specific parts for VW stuff. I had the wrong dizzy, wrong MPS, mixed FI from a 1.7 and 2.0, etc. So now that I have all the parts, I am having a pro bring it up to tune. I already know that I don't want to swap to carbs, but modernizing the EFI via MS might be an interesting update. |
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| Rick_Eberle |
Apr 16 2009, 06:07 AM
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#14
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Member Group: Members Posts: 390 Joined: 14-January 04 From: Geelong, Australia Member No.: 1,558 |
QUOTE(banger @ Apr 16 2009, 10:28 AM) Needless to say I couldnt be happier. Mine's been making me happy for almost two years now... |
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| banger |
Apr 16 2009, 08:22 AM
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#15
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Member Group: Members Posts: 354 Joined: 12-November 06 From: Santa Clarita Member No.: 7,205 Region Association: Southern California |
Rick, your posts on the megasquirt gave me many of the ideas for mine. I plan to use motorcycle throttle bodies as well, but with a different twist. I have a set of electronically controlled motorcycle throttle bodies, which should make the throttle cabling and syncing easier for me. I have been toying with the idea of adding cruise control while I am at it too...
QUOTE(Rick_Eberle @ Apr 16 2009, 05:07 AM) QUOTE(banger @ Apr 16 2009, 10:28 AM) Needless to say I couldnt be happier. Mine's been making me happy for almost two years now... |
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| jd74914 |
Apr 16 2009, 08:30 AM
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#16
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Its alive Group: Members Posts: 4,780 Joined: 16-February 04 From: CT Member No.: 1,659 Region Association: North East States |
Awesome! That seems like a great way to modernize the car. It should be even better once you have entirely programmable ignition too. Have you thought about going COP?
I like Megasquirt too, though now the Microsquirt I'm working with has me really pissed off. (IMG:style_emoticons/default/laugh.gif) it won't recognize my Honda M-N wheel. (IMG:style_emoticons/default/wacko.gif) |
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| banger |
Apr 16 2009, 08:59 AM
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#17
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Member Group: Members Posts: 354 Joined: 12-November 06 From: Santa Clarita Member No.: 7,205 Region Association: Southern California |
I have thought of doing coil on plug at some point. Just waiting until someone decides to make a nice trigger wheel kit for the type 4.
QUOTE(jd74914 @ Apr 16 2009, 07:30 AM) Awesome! That seems like a great way to modernize the car. It should be even better once you have entirely programmable ignition too. Have you thought about going COP? I like Megasquirt too, though now the Microsquirt I'm working with has me really pissed off. (IMG:style_emoticons/default/laugh.gif) it won't recognize my Honda M-N wheel. (IMG:style_emoticons/default/wacko.gif) |
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| arvcube |
Apr 16 2009, 02:01 PM
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#18
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Member Group: Members Posts: 170 Joined: 25-September 07 From: poway, ca Member No.: 8,147 |
QUOTE(banger @ Apr 16 2009, 07:59 AM) I have thought of doing coil on plug at some point. Just waiting until someone decides to make a nice trigger wheel kit for the type 4. i'm waiting on the same thing...i plan on doing MS1 w/edis eventually. I've had a similar set up running beautifully on my turbo scirocco for years with no complaints. |
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| underthetire |
Apr 16 2009, 05:10 PM
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#19
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914 Guru Group: Members Posts: 5,062 Joined: 7-October 08 From: Brentwood Member No.: 9,623 Region Association: Northern California |
I'm getting ready to change my throttle body to a 50mm chevy one with idle circuit control. I got a new Body and injectors from my neighbor. I'm also running the 1.7 injectors right now with no problems. Using the stock CHT sender, and a GM open element air intake temp sensor.
Just wish i didn't have to pull the motor to put a crank trigger in. I have the GM coil packs waiting for me. And i would run the wideband O2 if i wasn't so cheap. I'm using the narrow band Bosch with heater, just took a little longer to tune. |
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| RJMII |
Apr 16 2009, 07:40 PM
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#20
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Jim McIntosh Group: Members Posts: 3,125 Joined: 11-September 07 From: Sandy, Utah Member No.: 8,112 Region Association: None |
That was one thing I bought right off, was the wideband O2... and MS-II. I want to use the MS-II extra because it has boost control. =o)
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