And some new pictures again.











More here: http://jobyteknik.homeip.net/fredrik/Camaro/2005-04-05/

 

What did the duty cycles look like before and after the E85 switch? I'm going twin turbo soon and I'll need to upgrade my injectors so I was looking at how people with similar setups were doing. You guys switching to E85 also was just an added bonus.

 

You need about 30% more duty cycle with the same injector when running E85.

 

is your Iroc a 5.7 liter or 5.0?

 

Try 7.5

 

Nice work!

Wonder what they will say at the "inspection" or is the car "moving goods" (swedish: flyttgods)?

/N.

 

It is leagal untill the end of October ( inspection from June to October) so it is a problem for next spring.

 

You guys are crazy. Good job! LOL

 

You guys are crazy. Good job! LOL

 

 

Are you still going to use 165 ECM and $5D?

 

We are going to start it up on the 165 but probably convert to MegaSquirt after that.

 

The new engine is finally ready for installaton.





Solid monts.






Plenty of room for the oilpan.






Where is that supposed to go now?

 

omg this freaking thread is awsome.cant wait to see videos of the new setup.

 

Great progress, are the small port heads I seen in an earlier picture still on the motor?

 

No, these are different heads. These have been worked on and were better heads to begin with.

 

 

have you finished it yet. what does it run?

 

It is not finished yet.

The turbo and headers are in place.

A new custom crank pulley is in place.

The downpipe is not finished.
The hydraulic lines to the power steering is not finished.
The pipe from intercooler to throttelbody is not finished.

Distributor cap anr coil has to be mounted.

and some other small things.

We are starting the engine om the old stock ECM to break-in the new cam. We are then installing a Megasquirt.

Some new pictures:

 

Where are the fans?

/N.

 

Fans? .. .. oops! ... They are on the garage floor somewhere

We are installing pushing fans instead.

 

why convert over to the megasquirt?

 

We want to run the EDIS ignition with waste spark coils and crank trigger. That is the main reson.

 

huh... why? What does that buy you?

 

The HEI ignition was the only thing on the stock engine that did not like Ethanol in combination with boost. We started to have problems when we got closer to 15 psi boost at higher RPM. At 10psi to was fine. The problems got worse at higher RPM. Fredrik shifted the stock engine at 5000 RPM but the new one can go a lot higher. A waste spark ignition can keep full spark power at much higher RPM than a distributor system.

It is also easier to tune because you don't need an eprom programmer. I have never used a MegaSquirt before and I want to try it and see how I like it. We are going to install it using a short adapter cable to the stock harness, so we can go back to the stock ECM if we want to.

 

It's looking sick man. Tell me what it runs when you finish it

 

Sure

 

Update again.

Some new pictures:







And it starts

A video, 5 Mb

http://jobyteknik.homeip.net/fredrik...c454turbo.mpeg

As you see the hood closes too

 

Sweetttttt!

By the way, cool pants dude

 

Is that gonna be an ethanol motor too?

 

I have a feeling it's going to be strong!!!!!!!!!

 

It is running on E85 in that video.

The current chip is a bit lean with the 150 lbs/hr injectors

 

Joby,
If that isn't inspiring i dont know what is! Great job man.

Matt

 

4" Stainless Steel Exhaust =)

The new 4" and the old 3".

 

Is that 3.5” up where it bends around the front framerail? How does it sound?

 

Yes, it is 4" close to the turbo and then down to 90mm (3.54 inch) around the framerail. The rest is 4".

The sound ... it sounds like a healthy big engine at idle. When he drives by it soudns more like a big semitruck because of the turbo.

 

Wow, that monster has to fly.

 

I want a turbo IRoC

nice work, been watching the progress for some time now.

Drew

 

With all this work to the IROC what's been going on with your Vette JOBY?

And........awsume job guys

 

Thanks!

We are almost ready to start the Camaro with the new MegaSquirt and EDIS dirstributorless ignition.

I have built a new garage so I have not had much time to work on the Corvette. I have installed a 4L80E with a TCI cotroller and a Haltech E6K.

Some pictures:

http://jobyteknik.homeip.net/pictures/garage/collection
http://jobyteknik.homeip.net/pictures/garage/2004-12-19

http://www.joby.se/corvette/mods/2004-12-26_4l80
http://www.joby.se/corvette/mods/2005-05-17_electrical
http://www.joby.se/corvette/mods/2005-05-28_Exhaust

 

Kewl...........nice garage, even has a lift.

 

Some progress again.

Crank trigger wheel. The sensor is behind the water pump pulley.


EDIS-8 ignition module.


Two dual waste spark coils.


MegaSquirt and pigtail to stock ECM harness.


We had to re-wire the fuel pump relay. The stock ECM put 12V on the cable to engage the fuel pump. MegaSquirt grounds the wire.

Once we had that sorted out it started on the first try. It had a good idle from the start and the lambda was a bit rich but not too bad. Without any tuning exept for configuring engine size and injector size it was very driveable. It ran better than the with the stock ECM from the first start. Now the tuning can begin.

 

I see you are using the internal Megasquirt MAP sensor. There is some interesting reading in the DIY PROM board with a thread called "map sensors". It applies to how you have yours set up.

 

What did you use for the ecu plug?

 

This thread?
https://www.thirdgen.org/techbb2/sho...hreadid=312429

What are you getting at?

 

We got it from an old GM ECM.

 

Yes, that is the correct thread. By mounting the MAP low (like Chrysler did) you may run into false readings down the road due to moisture.

Are you running the MS-II with the EDIS? Where did you buy the 36-1 tooth crank wheel and pick-up sensor? How is the quality of it?

 

It is the "MegasquirtnSpark-extra".

http://megasquirt.sourceforge.net/extra/

Prebuilt and loaded with the latest 024s9 firmware.
We bought it from RS Autosport.
http://www.rs-autosport.com/

We bought the EDIS system from Boost Engineering. All parts are used.
http://home.earthlink.net/~beanbooge...t_engineering/

The MegaSquirt is not weather proof so it should not be mounted under the hood. The internal MAP sensor will be lower than the plenum.

 

You can also use an automotive OEM map sensor with the Megasquirt. The MS-II set up page talks about it. You send the MS the OEM signal instead of the onboard MAP sensor and adjust the voltage using the MS Tuning software.

I was thinking of using a MS-II someday but never really liked the MAP sensor being on board because it acts as a water storage tank (think water injection). It is a nice setup because it is simply to use an OEM MAP sensor instead.

I am not saying it is bad to have it on the circuit board. Just something to think about if things don't "seem right" while tuning.

 

I love seeing the Mega-Squirt fuel control with EDIS ignition. Seems like a very powerful and reliable set-up, and I am planning to use it for at least one of my future projects, and if that goes well, probably my TT IROC-Z.

How did you get your trigger wheel centered on the balancer/crank pulley? Do you have any pics of the sensor mounting?