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Baja Forums -:- AzBaja.com Members -:- Projects and Builds -:- New project: ECOTEC!
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New project: ECOTEC!
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logan44
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Post Post subject: New project: ECOTEC!
Posted: Mon Jul 23, 2012 01:28 AM
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Its about time to post again over here..
I'm working on a 3x3, 6 in Bugzyla beam, ecotec conversion with bus trans..

Here is where I am at..
I picked up my motor with the harness and the ECM. I want to save the cash by trimming my harness. I got the pin-outs from work so I am set there. I haven't started cutting yet, just stripped the sheath away.

From someone who knows, is it just that easy? Cut what wires I don't need and tape them away? Then leave my necessary sensors, disable VATS and away I go?

I kind of just need some inspiration!

Thanks,
Logan




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blubaron66
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Post Post subject: New project: ECOTEC!
Posted: Wed Jul 25, 2012 12:23 AM
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Logan,
I wish I knew the answer to your question....I would think some sort of reprogramming of the ecm would be required. I would imagine with all the sensors etc ..... that the ecm expects them to be there and operating and if there not (ie cut away from your harness) you may experience a so called "limp home mode" where stuff dont work the way they should...
My advise is to fine a service that reprograms the ecm and ask for their advise...
just my 2 cents... good luck

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PaDan
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Post Post subject: New project: ECOTEC!
Posted: Wed Jul 25, 2012 03:16 AM
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Try this company. They reprogramed the pcm for my 3.5 olds engine and deleted what I did not need. They were very helpful. They can tell you what you will need and then you can start pulling out the wires that are not needed.
Make sure you have a good wiring diagram so that you know where each wire is going. The pcm controls every thing from fuel pump, cooling fans, fuel injectors, charging system, all instruments and much much much more.

www.gmtuners.com/

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cycleguy1979
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Post Post subject: Re: New project: ECOTEC!
Posted: Wed Jul 25, 2012 04:27 AM
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Logan-Just saw this post on here and I got some info for you! Here's what i'm doing. I picked up a 2008 cobalt 2.2 ecotec with intake & exhaust manifolds, coils, injectors, alternator, wire harness and computer. I sent off the wire harness to a place called "phil's bug shack" in grayson, kentucky. Here's the scoop. For $750, he re-wired my harness so it will run with 3-4 wires, had the ecm reprogrammed to run without the rest of the car. Also got an adapter plate, flywheel, throw out bearing, and new clutch. This guy is awesome to deal with, and if you call around some, you'll find out the same thing I did...This guy knows his stuff and has the best deal going. He has been putting ecotec's in buggy's and baja's for quite some time. I'm putting my ecotec behind my type 1 swing axle trans, into my sand cars unlimited 4 seat frame. I'll be running a turbo on this also, and I will post a build thread when I start getting some of the parts in. Feel free to PM me if you need any more info, maybe we can help each other out in some way.


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Ecotec 2.2 out of a 2008 cobalt. 4 seat sand cars unlimited. Swing axle trans.
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cycleguy1979
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Post Post subject: New project: ECOTEC!
Posted: Wed Jul 25, 2012 04:29 AM
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Oh, and if you just need the wire harness done and the computer reprogrammed, I think he charges around $3-350. Google phil's bug shack for the phone number. You want to talk to Phil, he's the owner and knows his ecotec's.


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Ecotec 2.2 out of a 2008 cobalt. 4 seat sand cars unlimited. Swing axle trans.
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pepeazul
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Post Post subject: Re: New project: ECOTEC!
Posted: Wed Aug 15, 2012 05:09 AM
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I'll be diving into my own 2.2 ecotec project later this week. I'm surprised that I haven't been able to find some really good documentation out there...

Logan, any chance I could get a copy of the wiring diagram from you?

cycleguy, Thanks for the tip on Phil's, that the first lower cost alternative I've come across.

Chris
ecotec/091 in a 4 seat beam car

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cycleguy1979
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Post Post subject: New project: ECOTEC!
Posted: Sat Sep 15, 2012 04:58 AM
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Update on my project 9/14/12. Got my radiator custom built by a place in michigan called "superior radiator". These guys are nothing but amazing artists when it comes to building radiators. For $490 shipped, I got a 23x23 dual pass aluminum radiator, with dual fans and shroud, all ready to mount. Ron davis(local in glendale) wanted $1100 for the same thing. The guy at superior tells me this is enough radiator to cool a big block. I'm extremely happy with it. I am gonna drag the frame out tomorrow and begin some more fabrication, probably another day or two of working on it and I will be painting the frame and starting assembly. Got some used implement tires off of craigslist for $80(nice score on these). Also got a set of STU paddles on aluminum rims for $250 in really nice shape. Had my fiberglass seats padded and had custom covers made for them by triple X seats down in phoenix. They did a great job also, can't wait to ride the dunes in this car.


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pepeazul
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Post Post subject: Re: New project: ECOTEC!
Posted: Sat Sep 15, 2012 07:59 PM
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cycleguy, I just spoke to Phil and he's gonna put together a harness/computer for me. He's a nice guy, thanks for that tip.

What fuel pump/filter/regulator combo are you going with? Phil recommended the autozone part#E2000 pump.

I went with a Jeep Cherokee radiator. Plastic tanks and not exactly art like yours, but fits just right and only set me back $60 on ebay
www.ebay.com/itm/290712508708

and a couple of 10 inch fans for another $40... should work pretty well.

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cycleguy1979
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Post Post subject: New project: ECOTEC!
Posted: Sat Sep 15, 2012 09:34 PM
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That's the same radiator and fuel pump he told me to go with. I was building a 2 seat car, and I actually found an all aluminum jeep cherokee radiator for $167 in mesa at a radiator shop. It did fit into my 2 seat car very nicely, but since then I have acquired a 4 seat frame, and ofcourse the darn thing won't fit in this car. That's why I had one made. I have an electric fuel pump that cam in my car when I got it. Not sure of the model or brand, but it was pushing a dual carb. 2332 turbo'd VW engine, so I'm sure it will push this ecotec with no problem. Phil also told me I need to run a fuel pressure regulator, which I haven't got yet. Feel free to PM me if you want my phone number, I may be able to help you or you help me in some way. I found phil by doing tons of research on the net. He has done everything exactly like he said he would, no problems whatsoever. You will need to run a shroud with your fans, or it won't pull enough air through, or so I've been told. You can have almost any aluminum fabrication shop build one for you, but you more than likely need one. Superior radiator in michigan surely can handle it. Just call them up and tell them the exact size of the radiator, and they can build it for you with the fans and all. They are the best deal going, believe me. You want to talk to chuck. He is on the same level as phil. Great guy to deal with, and always does exactly what he says he's gonna do. It took them two weeks delivered from the day I ordered my radiator for it to arrive. You may even want them to build a shroud with 3 fans instead of 2. Go with maybe three 9" fans to cover the entire radiator.


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Ecotec 2.2 out of a 2008 cobalt. 4 seat sand cars unlimited. Swing axle trans.
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BugZyla.com
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Post Post subject: Re: New project: ECOTEC!
Posted: Wed Sep 19, 2012 10:36 PM
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A few bits of info for you guys.

Enginewiring.com has done a few of the wiring harness/pcm setups for us on ecotecs for $525 including shipping, you just have to send them your harness and pcm. You get it back with 3 or 4 wires to hook up and the pcm has been modded and flashed.

We have used the Pro Comp radiators and they only run about $175 and are full aluminum similar to the Ron Davis radiator and they have a 19x22 that works very nice. (not the radiator used in the pics below)

Header, we use this stainless one that is only $125 and cut the flange off of the bottom pipe and weld it to a single chamber flowmaster with a 90 degree elbow for the exhaust pipe, and weld the o2 bung in after the muffler. www.ebay.com/itm/Chevr...mp;vxp=mtr


Here is what it looks like done.



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www.bugzyla.com


132 (O\!/O) VWs and counting since 1/2005

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pepeazul
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Post Post subject: Re: New project: ECOTEC!
Posted: Wed Sep 19, 2012 11:42 PM
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Hey thanks Darryl.

I've ordered a harness and computer from Phil... it's in the mail. I'm afraid to even say what he charged me for it, assuming I actually receive it and it works, it was a steal...

Did you get that header off of ebay?

Any suggestions on fuel pump/filter/reg?

Chris

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cycleguy1979
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Post Post subject: New project: ECOTEC!
Posted: Thu Sep 20, 2012 06:22 AM
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Call Phil. He will tell you exactly what works. As for my project, I got the radiator mounts built, motor mounts completed, throttle linkage worked out(drive by wire throttle body & pedal), and a few misc. brackets welded up. I'm going to tear the engine out this weekend and prime/paint the frame. I should be able to start assembling this thing within the next week or less. I'm beyond excited. As far as the wire harness from Phil-Mine looks great. He even tested it on his own personal buggy for me to make sure every single thing works before he sent it. What a guy!!


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pepeazul
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Post Post subject: Re: New project: ECOTEC!
Posted: Sat Sep 29, 2012 03:17 AM
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Got the harness/computer from Phil and fired the motor this morning!! Heading out to make up exhaust and water lines right now!

I'm going to keep/post all my notes about this at pepeazul.com, but here's a few items I wound up with -

fuel pump - E2000 - 85-89 Bronco - $85
fuel filter/regulator - 33737 - 2000-03 Vette - $45 - 5 micron filter with ~60psi regulator built in

Cycleguy, do you know what the wires labeled 'IAT' are for. I know Phil mentioned it to me on the phone, but for the life of me, I can't come up with anything that makes sense and Phil's won't be around til Monday.

Chris

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Conundrum
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Post Post subject: New project: ECOTEC!
Posted: Sat Sep 29, 2012 03:40 AM
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Smile Sounds like the resistor mod for the Xterras. You replace the sensor with a resistor that tells the system to run rich.

www.ecotecpower.com/fo...59&a=2

It says it's an Air Intake Sensor according to this forum.


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cycleguy1979
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Post Post subject: Re: New project: ECOTEC!
Posted: Sat Sep 29, 2012 04:50 AM
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I don't know what the IAT is. That's good info. about the fuel pump and regulator. I went to foddrills today, their cheapest fuel pressure regulator is $169. I will get the same one you have. Is that an o'reilly part? As far as my sandrail, here's what I got done. Got the motor and dummy tranny back in place for final mach-up. Built a battery box that will sit right next to the engine on the passenger side. All the radiator mounts are built and welded to the frame. Got 4 crotch strap brackets welded to the floor, right under all 4 seats. Picked up the bushings for the torsion housing at foddrill's today for a cool $25 bucks, and I also picked up a CNC brake light switch. Then, I took everything off the frame for the final time, got it primed, sanded and painted. Had my wife helping me paint all the suspension pieces, etc. I think I have just about every part here, and ready to assemble very soon. I got the tranny painted yesterday, and started assembling the axles/tubes(swing axle). I'm gonna get it all put together, engine, tranny and all and slide it in. I'm gonna have to hit a junk yard next week. I need the mass air flow sensor and the air intake off of a cobalt/cavalier. Also need the O2 sensor. After I get the suspension put together and the car into a roller situation(almost), i'll slide the motor and trans. in and start working on all the wiring and bolting stuff on. Getting excited.


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Ecotec 2.2 out of a 2008 cobalt. 4 seat sand cars unlimited. Swing axle trans.
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