Sigma-galant.com

Megasquirt 3 + MS3x here and it works well.

I originally copied your idea with the o2 sensor in the stock manifold and it always leaked even with copious amounts of muffler putty. Also the o2 sensor thread is definitely not 12mm, i'm wondering what this has been confused with!

I wish manual Magnas were wideblock. 'tis but a pipedream.

I had to get the 3D printer out for my window trim.

You could convince me to part with my setup.

The Holden Astra electric power steering pump is a nice bit of kit if you don't want to muck around with belts.

Fixed a while ago. Used original block, pistons out of an old motor, new rings, new bearings, honed bore and linished crank.

Had some problems with a blocked oil return (long story) and then a non sealing head gasket but it's going fine now at about 15 psi.

Dizzy itself doesn't control advance. The ecu adjusts the signal to the coil ignitor based on it's ignition table. You should be able to see if this function is working using a timing light and revving the motor up. Manually rotating the dizzy adjusts the static timing as it changes the position of ...

2x4k=4g54

I recently cracked a ring land in my Sigma (4g54, Astron 2). I have cleaned up the crank and replaced all the bearings. I purchased replacement rings; but they were made of brittle black iron rather than the shiny steel like ones it came with. On installing one of the no.2 rings, it actually cracked...

My build thread covers a s13 front end conversion. Pretty easy to go 5 stud then

Standard size organic will not hold and getting a custom flywheel/clutch setup has been quoted at $1200. I'm not willing to throw that sort of cash at a 4G54.

I have another motor now, I guess i just buy a full gasket kit and swap over the timing chain and balance shaft eliminator kit and drop the head back on. Oh and buy a starion ceramic clutch from the US.

Today the Sigma decided to throw out the dipstick and a big spurt of oil on boost. I guess the old rings have given up. I'm really not sure if I should find another block and chuck it in; do a cheap rebuild; change to another motor or just scrap the project. If I do rebuild I have no idea what parts...

I just wired mine between accessory power and dash lights and it will come on when you turn off the ignition with the lights on.

Aha! I thought my temp gauge was faulty! I just go off the ecu now.

Totally incorrect.

Just some reasoning and blend figures:

http://archive.hychill.com.au/pdf/pasolpgr.pdf

I've refitted the Aircon system to my sigma and need to regas the aircon. I'm having trouble finding anyone that has R12 or the equivalent HR12 in Tasmania. I don't really want to convert to R134 because it is not as efficient and the heat exchanger will probably not be adequate. I guess I'm hoping ...

Needed to mod the alternator so I could adjust it properly. It was fouling on the aircon and made it almost impossible to release tension enough to get the belt on. http://i57.tinypic.com/2ed7a0g.jpg Was filing the alternator down a bit to relieve the last bit of fouling, then it fell out of the vic...

Well mine is a sigma so it doesn't count but it's a project daily skid bus

Fuel used in litres / distance traveled * 100. The calculator is not magic.

^^

Had the car running again, except the alternator belt flipped and the car was running pretty hot. I guess the water pump may have been struggling when the alternator was loaded up. Also the car decided to run on 3 cylinders after a period of time. Has spark on cylinder 2 but removing the injector pl...

I think Magna EFI is less complicated than the abomination of a carby that comes on the GN!

I gave up on the 3D printed fascia after I boxed the printer in and the heat warped the x axis carriage. This solution is more usable and I think it still screams 80s. http://i60.tinypic.com/8voop1.jpg http://i61.tinypic.com/sni1xd.jpg All tested and working well. It is unfortunate that the top of t...

I had to add some more sicaflex to the window trim. I cleaned the excess off with metho. Of course the paint came with it. I just get the airbrush out again i suppose. http://i62.tinypic.com/15xv6nl.jpg Attempted to print the stereo fascia. Of course, that also turned to shit. http://i61.tinypic.com...

(Please edit this to be the last photo)

I had to extend the loom quite a bit to use the same routing Cottees used in his EFI conversion. http://i57.tinypic.com/25q89x3.jpg http://i57.tinypic.com/20i8lmg.jpg Many of these clipse were broken. They were also hard to source. Replicating them took many attemps and I had to change the design to...

ddt wrote:nicely documented repairs

Thanks DDT!

The heater valve repair was quite a PITA to figure out, so I thought I'd take a few pictures in hope of helping somebody else.