Type 3 engine Megasquirts-2 Conversion Project

dragsters for life · Posted: Wed Dec 07, 2011 1:03 am Post subject:

nice work will

first time i have looked into this thread and very impressed
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Willo357 · Posted: Tue Dec 27, 2011 4:29 pm Post subject:

Got a bit more engine building done. hopefully more soon

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the COP's looking good
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more soon....! Razz

supersuk · Posted: Tue Dec 27, 2011 6:35 pm Post subject:

what intake manifold are you going to be using? I had a hard time fitting some spark plug wires and a cb performance shorty manifold for weber 40/44idf type throttle bodies. Bought some spark plug wires with 45 degree ends and cut them to length. Thats the only way I could make it fit properly.
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Willo357 · Posted: Tue Dec 27, 2011 10:15 pm Post subject:

Im starting out with the stock dual carbs, then later a stock FI intake runner.

I havnt checked but i think there will be plenty of room for the coils.

dragsters for life · Posted: Tue Dec 27, 2011 11:49 pm Post subject:

into it will
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supersuk · Posted: Wed Dec 28, 2011 5:04 pm Post subject:

Ahhh, Ok. Those should fit no problem.
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Willo357 · Posted: Sat Jan 07, 2012 9:24 pm Post subject:

So i have been very busy the past week getting and have achieved a few things on the project. Most importantly getting the trigger wheel locked and loaded....

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here is my VR sensor bracket, i know others have done it different but i think it will work ok

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Willo357 · Posted: Sat Jan 07, 2012 9:27 pm Post subject:

I dusted off my original fan housing which had a strange cut through it ???? any ideas how this happened???

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I thought this would be a good opportunity to practice some welding... because i need all the practice i can get ...Right?

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Willo357 · Posted: Sat Jan 07, 2012 9:43 pm Post subject:

Then full of confidence i proceded to "Fix" my old stock exhaust....
The connecting pipes to the HEX had rusted through and the tail pipe had gone in both bends....+ my EMPI exhaust had blown up!!!! Confused

what a POS

i got some scrap exhaust pipe that was about the right diameter from the local mechanic (for the best price)

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Then used the tailpipe off my EMPI exhaust because it was actually quite thick pipe and welded it in

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looks pretty neat i think .....? i drove about 200km yesterday with no problems, (even when the cop pulled me over for a bretho and walked around my car he didnt complain)

not sure how it will hold up in the long run because im not very experienced with a welder but i added in metal to try and reinforce my shoddy welds. hopefully it will hold together.

I must say that the stock exhaust is very quiet.... it is amazing. i think it might be worth getting a radio now....

dragsters for life · Posted: Sun Jan 08, 2012 1:10 am Post subject:

im fitting a stock set up tomorrow will, ditchin the empi set up i have now
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Corysvdub · Posted: Wed Feb 01, 2012 3:03 pm Post subject: ms

So your running it with the cops right now?

Willo357 · Posted: Sat Feb 25, 2012 8:16 pm Post subject: Re: ms

Willo357 · Posted: Sat Feb 25, 2012 8:25 pm Post subject:

Im really struggling with the COP circuit ..... Brick wall

Here is where im at.

ignitors
pin 1 are wired to r26 or r29
pin 2 To the coil (IB pin - pin 3)
pin3 to Earth (ground)

my coils have 3 pins ....
pin 1 is G - (where does this go??? to ground or ecu (pin 36))
pin 2 is 12+ ( To 12v i.e battery)
pin 3 is IB - to ignitor (pin 2)

im really hopping someone can help me out, The G pin on the coilpacks are doing my head in.... i need to get some pigtails first but then im just going to wire this up and see if it works because im sick of information overload. Twisted Evil

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Corysvdub · Posted: Sat Feb 25, 2012 10:14 pm Post subject: cop circuit

Did you check the megamanual? If you can't find it there I'm sure piledriver or supaninja can help you in the STF.[/quote]
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supaninja · Posted: Sun Feb 26, 2012 1:54 am Post subject:

I'm running 2 wire coils but I think the only difference is the 3 wires have an extra gnd. Looks right to me, if I have a chance tomorrow i'll look at how I wired my setup up. Don't worry, it kicked my butt too Wink

.
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Willo357 · Posted: Sun Feb 26, 2012 4:56 am Post subject:

vdubin · Samba Member Joined: September 09, 2006 Posts: 273

The 12v is an ignition hot 12v from the battery. The G is a ground to the engine or the body very near by. The shorter the grounds are the better. The third is your trigger from megasquirt. If you are using wasted spark tie the two cylinders together that are at TDC at the same time. Its been a while, but i think its 1-3 , 2-4 as the firing order is 1432.

Willo357 · Posted: Tue Feb 28, 2012 10:41 pm Post subject:

supaninja · Posted: Wed Feb 29, 2012 12:32 am Post subject:

damnit, i forgot to check my wiring.

Your using ms extra right?

I found this: http://msextra.com/doc/ms1extra/MS_Extra_Ignition_Hardware_Manual.htm#2coils
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Willo357 · Posted: Wed Feb 29, 2012 2:14 am Post subject:

yeh i think that wiring is correct .... my setup was pretty getto Embarassed

Im headding to my workshop this weekend so i can set up camp and sort things through logically and not on the footpath... I had my desktop set up in the car.

I have been getting a delay in my tach signal (and the led flashing) in any transition ... high to low .... low to high rpm ect.
It could be just because i only have the tach pluged in and the ecu dosent understand the sudden change in rpm... ( no map or tps )
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Type 3 engine Megasquirts-2 Conversion Project
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