Megasquirt Kits- Group buy/build??

[neuropel]

The Weber systems designed to replace side draft webers are beautiful. They also cost an arm and a leg. Has anyone seen the individual components for sale. I'm wondering if one could find the necessary parts and use the megasquirt controller just how far off it would be $$-wise from purchasing new dual weber carbs? It'd be awesome to have a housing that would mount in place of the dcoes and allow the use of aftermarket injectors from somewhere like Summt. I have a 2.4 on the way over from Europe along with a set of dbilas manifolds and was thinking I'd be running 45s on it, but I've drooled over the thoughts of having a nice laptop programmable fuel system for it. Also, last I read the newest megasquirt system was in testing and was adding ignition control (and a nicer processor). It may sound weird, but I'd be less apprehensive about working with this type of homegrown EFI than trying to get dual carbs set up right with all the various jets, emulsion tubes, etc. I'm used to electronic controllers and programming computer-controlled devices (I'm designing and building an automated brewery using electronic controllers to support my other hobby)...but I'm far less comfortable with all the mechanical unknowns of side draft carbs. If someone is on track to go in this direction, I'm all ears!
Todd K.

[nobody]

Ok I may have said it wrong as it may just be a software that is loaded to the eeprom. Either way from the pages I've read in the last couple of days you need to be sure you have a correct version loaded to work with a turbocharged system. Just symantics I guess

[Gary]

It'd be awesome to have a housing that would mount in place of the dcoes and allow the use of aftermarket injectors from somewhere like Summt.

Now this would be an excellent project for unemployed Opel fabricators.....

[neuropel]

Glad to see you caught that hint Gary. Let's hope others do as well

[Travis]

Ok I may have said it wrong as it may just be a software that is loaded to the eeprom. Either way from the pages I've read in the last couple of days you need to be sure you have a correct version loaded to work with a turbocharged system. Just symantics I guess

Yes, there is alternate firmware that can be used with turbos. However, it is not needed with 90+% of turbo applications. The dual table code, which I expect is what you've seen references to, is to provide seperate control of a second set of injectors(only on at high RPMs) or proportional control of a water injection system or other similiar things beyond the scope of a normal turbo installation.

-Travis

[RallyBob]

It'd be awesome to have a housing that would mount in place of the dcoes and allow the use of aftermarket injectors from somewhere like Summt.

They already exist, off-the shelf. TWM induction, Weber-Marelli, Jenvey, and a host of others make DCOE-type throttle bodies which will bolt directly to your intakes. Add injectors (the placement is already there on the TB's), fuel rail, regulator and ECU and you're all set. But they are costly still...usually $250-300 each.

Hence my reasoning a while back to modify a 40 DCOE Weber into a throttle body (which was in sad shape and missing parts). Lots of labor, sure, but the Webers were free (thanks Bill Daley and Gary!).
http://opelgt.com/forums/showpost.ph...80&postcount=4

Bob

[RallyBob]

Found some links to DCOE-type TB's....

http://www.redlineweber.com/html/thr...odies_dcoe.htm

http://www.twminduction.com/Throttle...eBody2900.html

http://www.jenvey.co.uk/

[GT-Freak]

If I was going to build a basic TBI system that'd work on almost all 1.9-2.4L engines, I'd use a Megasquirt box with a GM 2.8L TBI. The GM TBI is dependable and replacement parts are cheap. The 2.8L version is dam-near given away. For more power, use 4.3, 5.0, 5.7 or 454 TBIs. The 454 version flows 670 cfm and has huge injectors. Injectors can be exchanged between models. They can even be honed for more flow, but why on a small engine? The regulator can be replaced with an adjustable one for turbos and such. The fuel pressure is low, so no special fuel lines. It requires a 14-18 psi fuel pump for an NA engine, easily available. All you need is a special adapter, return line and some wiring. Megasquirt can control dual TBIs for those that love excess.

I'm working on a V8 project (not Opel) with a tunnel ram. I've seen people run Megasquirts with true race cams and dual TBIs on V8s. It blows carbs away, more power everywhere and every time they tune it they make more. I know one guy that used a pair of Holley 660s for years and the TBI system ran better off the start.

I'd shy away from Holley TBI units. I've heard complaints about the expense of replacement parts. The GM parts were much cheaper.

[opelenvy]

That being said, it looks like we need a show of hands. How many people out there are interested in buying a Megasquirt EFI system for their Opel?


I am interested in one unit now, potentially 3 more later on. I think Samdog could use a couple as well, Gary has mentioned he's interested. Anyone else?

Bob

Maybe I missed it, but how much are we looking at $$ on this?
I have my hand halfway up in the air.

[RallyBob]

The price range is in the first post. Depends if you buy the kits and build them yourself, or pay someone to build them, or buy them already competed from a retailer.

http://www.opelgt.com/forums/showpos...72&postcount=1

[opelenvy]

OK, I did see that price range, I just figured a group buy/build up would all be the same price. So the person building them up will do what?
But I'm in for one, regardless.

[oklaopel]

I am in the preliminary stages of converting my 72 GT to efi, and have the system components off an Ascona, but none of it has been on and running. If I'm following the thread correctly the Megasquirt would fit onto the old efi system, right? If that is the case and the system would then be tunable, I would be interested.

[Travis]

If I'm following the thread correctly the Megasquirt would fit onto the old efi system, right?

Yes, it'll work with the old EFI parts. However, the air flow meter will not be used and you'll need to add a throttle position sensor, either by attaching to the old throttle body, or just replacing the throttle body with one that already has a sensor installed. The other differences are pretty minor

-Travis

[baz]

bob with christmas coming up its cruel to put links up to things like this
now the kids miss out and the dogs dont get there treat for doggymas
that would look so nice on mine droooooooooooooolllllll

[nobody]

On the Megasquirt pages I saw where there is somebody already doing the mass buy thing and sells it all for 140 in kit form. What is the advantage to a group buy if the price is higher and you get a third or fourth person involved?

[Gary]

It looks like there is no advantage in a group buy for the kits. (I wonder if the eBay seller would drop his price for a group buy.)

Maybe there would be an advantage in a group build. A member with the skills and time could make some $$ by assembling several at once and become a megasquirt expert for Opel applications. Just a thought...

[nobody]

With the direction I've taken on the turbo concept I'll probably do the megasquirt to control the fuel injection. For the price it looks reasonable and some of the other pieces seem to be easy and cheap to get. Currently I have the tps, injectors and the added temp sensor looks easy to add when I do another thermostat housing rework. I have no problem answering questions if I've been down that road to have any experience.

[T-6 driver]

anyone ever tried adapting a gsxr 750/1000 throttle body assembly (custom manifold)? I saw a dude that did it with mega squirt, he loves it, LOOKS SWEET!

[T-6 driver]

looks like this:

http://www.plasmabunny.com/gallery/bodywork?page=41

[nobody]

I just got an Email on this topic.


>I and a few others were wondering if we could do a group buy of 10
>or more and drop the price a bit on the Megasquirt package? if so
>could you tell me what it might be? Thanks

Dave,
On an order of 10 or more units, I offer a 5% discount, so the ECU
kit would be $133 each.