Sigma-galant.com

Thanks.
I'm trying to get the exact dimensions so I can make up a jig to re-drill narrow and wide blocks.
In a few months I'll have my backyard workshop built and will be able to do some machining.
Figured now would be a good time to start gathering info for these future projects.

Cheers.

516MA wrote:a 2.6 SE Sigma weighs less than a 2.6 Scorp.

wow lol wouldnt have guessed that

Nick

The Scorps are "pillarless" so they would have to reinforce the rails/doors and roof (just ask Chris how much extra the convertible Scorp weighs). Also the Scorps are slightly longer (by 60mm).

Cheers.

Buy yourself the factory manual.. GH Weights according to the Factory Manual are: Model..Engine..TRAN..Sedan..Wagon Std......1.6L......Man...1050 Std......2.0L......Man...1115...1182 Std......2.0L......Auto..1132...1198 GL.......2.0L......Man...1119...1192 GL.......2.0L......Auto..1136...1211 GL.......

..that because the pump had bad shaft to housing clearance.. Beat me to it Stealth. I was going to inquire about the initial state of the pump, before it had been installed. Also, as Cheater pointed out, if you are running a higher volume pump, without the silent shafts, and all good bearing cleara...

A while ago I found a diagram of the Narrow Block bolt holes



I am trying to find the same type of diagram for the Wide Block.
Does anyone have it?

Cheers.

I'm sure the Factory workshop manual for the GH Sigmas also includes Scorpions.

What type of information are you chasing?
As Chris said, all the running gear/wiring is the same for the GH Sigmas/Scorpions except MABY the diff and gearbox, but don't quote me on that.

Cheers.

Errant,
Which year Scorp are you after. Currently I have the '81 and '83 Sapporo Workshop manuals.
Slowly building up my collection.

Cheers.

EBAY
US Starion dizzy(Astron 2.6L turbo)

Cheers.

Starquestclub.com are based in the US. There is a couple of people both in Australia and the US that do a modified Magna MPI for the g54b engines. Here is one post I found Just a couple of things to note: 1. The Modified Magna MPI manifold IS NOT a direct bolt on to the older astron heads. The olde...

I'm looking into making a "Relatively Cheap" basic oil accumulator to help solve the oil surge issue. I already have a few of the MOROSO ACCUSUMP 3L oil accumulators, but at $500 delivered new, with all the mounts and electric solenoid, they are a bit too expensive for the average person. ...

Hi, The original sigma turbo setup was a suck through setup (carby first, then turbo, then to the engine), no computer required. There were only around 500 made back in the early 1980's so they are getting a bit scarce now. They do come up every now and then at around $1000 complete for a set in goo...

Sorry to hear the bad news. Only the outer race is there. I'm tossing up just leaving it out, bad idea? Very bad idea. The spigot bearing supports and aligns the clutch plate and the input shaft. In turn, the input shaft supports one end of the output shaft. There is a very real chance that you will...

panda wrote:Personally, I'd be using a Starion box & clutch, as they are stronger than the 2.0L Sigma box.

Only problem is the Starion gearbox is a WIDE block..


Cheers.

had a lood at the thrust bearing today too, its free spinning, just has no crease wat so ever. dont know how im gona get some in there... Changing the bearing would be my first choice but if you aren't going to do that, 1. FULLY FLUSH OUT the bearing several times. There will most likely be a lot o...

Hi, The 10-Bolt Scorp diff seems to be a better option as the entire axle is thicker. There is a topic on this called LA lancer, whats a good diff upgrade? sigma?.?.? that might be worth checking out. http://users.tpg.com.au/ntome44/SG/SCORP-AXEL.JPG The picture is a bit blurred but you get the idea...

DragonCypher wrote:I was thinking of using them to mount a bracket for holding up my supercharger

Wouldn't it be better to have the SC away from the exhaust manifold, unless of course you are going to mount the SC on top of the engine and have it sticking through the bonnet.

Cheers.

I have no idea what they are used for but remember, these engines are also used in forklifts, small trucks etc.

Cheers.

TR Magna engines are known for having a higher flow pump than the sigmas. While that is good, you will destroy a genuine Magna pump just a quick as a Sigma Pump as the pump is no longer being held true with the 30cms of balance shaft aligning it now missing. While this is true, think of the forces ...

does anyone shim their oil pumps to raise the pressure slightly, and hence the flow rate.i know its a common thing to do on many engines, but never seen it on here regarding the astrons. Why bother. If you are after an increase in flow, grab a TR or TS magna oil pump. The flow around 30% more than ...

I have been trying to find these figures for a while. I believe they were originally posted on a now dead site, T-Racing. Flow #'s for intake @ 28" and .400 Lift: Stock Jet Valve Head.........................151 cfm (US Starion) Non Jet Valve Head............................165 cfm (Early Astro...

The standard setup should be switching the negative on and off, so when your ignition is on, you should get a constant +12v on one of the pins. Use the other pin for your tacho signal. If the tacho still doesn't work after that let me know, you can use a "pull up" resistor (about 3c to buy...

And just out of interest with the heads you were recommending, just how much gain would i get from them?Is it best to get the head i have ported and Larger Valves.Or is the gain by going to the Magna M7 substantial? I guess you could use your current head but, from memory, without any port work, th...

Hey guys Ive been told this is a Starion Hi Jet Head, and not a Magan head as I first thought. It's a US Starion "JET VALVE" head. In the US they all try to ditch them for the M6 or M7 Magna heads and then go MPI. You have the MPI setup so ditch the US head, grab a M7 one then maby put in...

I was just reading the Gregories and it says i will need to get the release bearing pressed on. I don't even have a vice to get teh bastard off :lol: Seems like it will be staying on there untill i take the motor out and fit the magna pistons and jap 5 speed. Not a good idea. If the bearing is on i...

sigmare wrote:my torque wrench only goes to 260 ftlbs so i did that. i must have had dodgey bolts cos i snapped the heads off

I hope you are kidding..
Unless my service manual is incorrect it says between 7.5 and 8.5 foot pounds.

Cheers.

The hole in the head is for the early EGR system. You can find the hole even in some M6 heads.
If the EGR was being used, it is most likely blocked up with carbon deposits. I have only seen 1 M7 head without this hole drilled but the cast recess was still there.

Cheers.

EBAY CAST US Starion turbo pistons. Less than AU$200 delivered. Another set of CAST US Starion turbo pistons. Around AU$250 delivered. JE forged pistons. Less than AU$900 delivered. Wiseco Forged pistons Less than AU$750 delivered. The last set of Wiseco forged pistons I bought for the 2.6L Astron c...

Paddles, are you using the "Bunnings" nozzle, if so, go back down to Bunnings and buy one of there watering flow valves from the same section you bought the nozzle from. That should allow you to finely adjust the flow. If you are using the injector bought the injector from my Ebay link (7 ...

....im finding when it activates its spraying to much water into the car, has anyone has to use a restrictor the mist nozzle to slow the flow of water?? I would say you have too big a nozzle. If your water pump is capable of handling it, you could use a PWM (Pulse Width Modulator) to reduce the flo...

GJ Scorp (10 Bolt) spline Diameter (OD) = 27.3mm

Cheers.