Search found 61 matches
- Sat May 15, 2010 6:59 pm
- Forum: Engine
- Topic: Need help from engine builders
- Replies: 7
- Views: 976
Re: Need help from engine builders
They should also consider the phasing of the balance shafts. When I bought my Sigma it had a really bad vibe above 5000 rpm (so much that I never took it to redline), but all that went away when I replaced the timing chains and made sure I got the balance shafts right (first attempt, I had one out b...
- Thu Apr 29, 2010 9:34 pm
- Forum: General/Technical Chat
- Topic: radiator hoses
- Replies: 11
- Views: 2274
Re: radiator hoses
FWIW, when I had a larger alternator fitted to my GB the auto-sparkies told me they needed to fit a Sigma lower hose to clear the alternator.
I had to add a protective sleeve to the Sigma hose to stop it wearing through on the alternator mounting bracket.
I had to add a protective sleeve to the Sigma hose to stop it wearing through on the alternator mounting bracket.
- Tue Apr 20, 2010 7:43 pm
- Forum: Events » Event Photo Album » Cruise Register
- Topic: SA Cruise - Sunday 30th May - South
- Replies: 38
- Views: 5589
Re: SA Cruise - Sunday 30th May - South
Interested, but I'm a commitment-phobe - especially 6 weeks out. I'll pencil it in, but a lot can happen in 6 weeks.
- Mon Apr 19, 2010 6:58 pm
- Forum: Members Rides
- Topic: GK Sigma SE Wagon
- Replies: 23
- Views: 4739
Re: GK Sigma SE Wagon
Thanks for the reply. On the dyno they were measuring the AFR (as plotted on the graph somewhere up the page) using a probe stuck up the exhaust pipe. I suppose it's possible that what's coming out the exhaust pipe doesn't match what's coming out of the cylinder, but I find it hard to imagine how ba...
- Mon Apr 19, 2010 6:47 pm
- Forum: Electrical/Audio
- Topic: Sigma alternator wiring
- Replies: 6
- Views: 1212
Re: Sigma alternator wiring
Hi Chris I can't help by telling you about mine, as I had it replaced with a larger capacity unit. Somebody else did the work, so I don't know what (if anything) might have been changed. It looks like a fairly simple setup, with (I think) "internal" regulator (the black block on the left),...
- Sun Apr 18, 2010 9:33 pm
- Forum: Members Rides
- Topic: GK Sigma SE Wagon
- Replies: 23
- Views: 4739
Re: GK Sigma SE Wagon
Thanks slo I guess I simply want it to look like it's cared for. It gets dirt roads, so it's mudflaps or gravel rash, and it's a work-horse - the towbar gets used. One day, I might even find the intermittent fault in the trailer wiring. Anyway, today I replaced the cam with another I had lying aroun...
- Sun Apr 18, 2010 1:16 pm
- Forum: Engine
- Topic: Pajero 4d55 diesel to 2.6 astron
- Replies: 18
- Views: 1958
Re: Pajero 4d55 diesel to 2.6 astron
Most important one is diff(s) ratio. The diesel is governed at 4000rpm (from memory) so you will find it is mated to higher ratios. i.e. Your Pajero will be a slug. Certainly important to consider, but in this instance, he's more likely to have low (numerically higher) ratios than high. 2.3 TD = 4....
- Sun Apr 18, 2010 12:27 pm
- Forum: General/Technical Chat
- Topic: your favorite thing about your car?
- Replies: 24
- Views: 1963
Re: your favorite thing about your car?
What is it with all unidentified old-skool japanese cars being "dattos"?
I had somebody (my age) call my Sigma a "datto" last year. WTF?
I had somebody (my age) call my Sigma a "datto" last year. WTF?
- Sat Apr 17, 2010 5:44 pm
- Forum: Members Rides
- Topic: my colt/galant A51
- Replies: 125
- Views: 100670
Re: my colt/galant A51
just make sure you get the GE 1.6l struts :thumpsup: Makes no difference ... and we are not talking a strut change, only an insert (ie. remove guts of standard strut & drop in the insert). Galant & GE Sigma are the same insert. Only difference, from memory, is the Sigma uses a slightly diff...
- Sat Apr 17, 2010 12:02 pm
- Forum: Introduce yourself!
- Topic: Hey Everyone
- Replies: 17
- Views: 1873
Re: Hey Everyone
Welcome! Looks like a Sigma to me :\ http://images.craigslist.org/3pe3oa3l45V25Z25W2a4e228d0b61ae5b103c.jpg http://images.craigslist.org/3kb3pc3l15W35P65S2a4ed2af9cd1fbcf1735.jpg Over here, that's a Galant. '77 would be GD, which had twin headlights in our market, but we had two 5&3/4" ligh...
- Sat Apr 17, 2010 11:41 am
- Forum: Members Rides
- Topic: my colt/galant A51
- Replies: 125
- Views: 100670
Re: my colt/galant A51
For what it's worth:
I first put Konis into my Galant when it had GC struts in the front. The same inserts went into GH struts when I had them fitted to the Galant.
After the Galant died the Konis were re-built, and are now in the front of my GK.
I first put Konis into my Galant when it had GC struts in the front. The same inserts went into GH struts when I had them fitted to the Galant.
After the Galant died the Konis were re-built, and are now in the front of my GK.
Re: 4g32GS ?
This is on page 2............how would you inerpret it? "The most serious result of selecting a heat range that is too hot is overheating. Overheating will cause the electrodes to wear quickly and can lead to pre-ignition. Pre-ignition occurs when the air-fuel mixture is ignited by a hot objec...
Re: 4g32GS ?
Yes, that does explain it very well. It explains that this is wrong: These colder plugs will keep combustion temp down to overcome the tendency to ping. You have cause and effect mixed up. Pinging causes elevated combustion temperatures; the pinging is caused by the spark plug becoming too hot. If t...
- Tue Apr 13, 2010 11:26 pm
- Forum: Engine
- Topic: 4g33/32 power
- Replies: 23
- Views: 2651
Re: 4g33/32 power
61kW at the flywheel.
My GB had a 4G32 with 4G35S pistons, balanced bottom end, shaved & ported head, cam, extractors, exhaust & Weber, and dynoed 92hp at the wheels. That would teach RX3s & RX4s a lesson, and keep VNs / EAs honest.
A stock 4G32 wasn't putting 61kW to the road.
My GB had a 4G32 with 4G35S pistons, balanced bottom end, shaved & ported head, cam, extractors, exhaust & Weber, and dynoed 92hp at the wheels. That would teach RX3s & RX4s a lesson, and keep VNs / EAs honest.
A stock 4G32 wasn't putting 61kW to the road.
- Tue Apr 13, 2010 11:11 pm
- Forum: Engine
- Topic: 4g33/32 power
- Replies: 23
- Views: 2651
Re: 4g33/32 power
Could also be some differences in emissions requirements too.woops wrote:showing a slight difference between the testing methods of the saturn engine
- Tue Apr 13, 2010 11:08 pm
- Forum: Engine
- Topic: 4g33/32 power
- Replies: 23
- Views: 2651
Re: 4g33/32 power
To put that into perspective, the GJ Scorpion manual puts the 2.6 at 104hp, or 78kw, at around 5500rpm 4G54 astron making 76kW @4800rpm and a torque of 192.1Nm@2400rpm Woops' figure is the one I'm used to seeing for Sigma - note the difference in rpm between Sigma and Scorpion. 4800 vs 5500. I've r...
- Tue Apr 13, 2010 10:46 pm
- Forum: Engine
- Topic: 4g33/32 power
- Replies: 23
- Views: 2651
Re: 4g33/32 power
30 years ago, most Aus sources quoted 76kW at 6300 rpm for the 4G32. I believe that the "industry approved' way to measure that power has changed, so it would be less today.
- Tue Apr 13, 2010 10:38 pm
- Forum: General/Technical Chat
- Topic: your favorite thing about your car?
- Replies: 24
- Views: 1963
Re: your favorite thing about your car?
I bought my GB because I liked Galants, and that one was cheap. :) I kept it because I loved it. :D I sold it because it was wrecked. :( I bought my Sigma because I wanted a 2.6 wagon with aircon, 4 wheel discs and the jap 5 speed. I like it because I like the way it looks, and I like that it's not ...
- Tue Apr 13, 2010 7:14 pm
- Forum: Sigma's Section
- Topic: what wheels will fit my sig??
- Replies: 20
- Views: 3580
Re: what wheels will fit my sig??
Yes, I do. They even have tyres on them, although they're only just legal. 195/60, IIRC.
They've spent some time outside, so they're not too clean anymore.
They've spent some time outside, so they're not too clean anymore.
- Sun Apr 11, 2010 3:20 pm
- Forum: Engine
- Topic: Engine Mods
- Replies: 4
- Views: 426
Re: Engine Mods
If it's the original imported engine it may have flat-top pistons, so you might be able to increase compression simply by fitting a Sigma Astron 1 head. Personally, I like the sound of twin DCOEs, but they can take some tuning. I don't know much about the Holleys. Are you sure you have hydraulic tap...
- Fri Apr 09, 2010 11:59 pm
- Forum: General/Technical Chat
- Topic: What are your favourite 8cyl, 6 cyl and 4cyl motors?
- Replies: 40
- Views: 6864
Re: What are your favourite 8cyl, 6 cyl and 4cyl motors?
If I can spend somebody else's money, I'll take pretty much anything BMW's put into an M3.
- Fri Apr 09, 2010 5:17 pm
- Forum: General/Technical Chat
- Topic: Recommend repairer for firewall rust damage?
- Replies: 4
- Views: 477
Re: Recommend repairer for firewall rust damage?
Not without pulling out the wiper motor - again. There's a few bits which need to be replaced, including the section of firewall where the wiper motor mounts, and the horizontal bit behind it that contains the intake for the ventilation fan (plus the mesh which sits over the top of it to keep leaves...
- Fri Apr 09, 2010 10:30 am
- Forum: General/Technical Chat
- Topic: Recommend repairer for firewall rust damage?
- Replies: 4
- Views: 477
Recommend repairer for firewall rust damage?
Wednesday my new carpets arrived. :D Thursday, I discovered my passenger's footwell was very wet. :@ I want to fix the leak before I put the new carpet in. I believe I know where the water is getting in - through rust damage in behind the windscreen wiper motor, which wasn't repaired when the car wa...
- Tue Apr 06, 2010 1:12 pm
- Forum: Members Rides
- Topic: GK Sigma SE Wagon
- Replies: 23
- Views: 4739
Re: GK Sigma SE Wagon
In my never-ending quest to abuse my credit card and deplete my bank balance, I had new extractors fitted this morning. Don't really believe it will make much difference, but I've never been happy with the design of the Wildcat system http://i139.photobucket.com/albums/q294/sgcm/Sigma/Exhaust/IMAGE_...
- Tue Apr 06, 2010 8:45 am
- Forum: Engine
- Topic: Carburettor CFM
- Replies: 15
- Views: 8935
Re: Carburettor CFM
Different pressures?
- Mon Apr 05, 2010 7:28 pm
- Forum: Engine
- Topic: Carburettor CFM
- Replies: 15
- Views: 8935
Re: Carburettor CFM
That would be the logical move.
I suppose if you're desperate, and can't afford/find larger carbs, you might just bore the venturis.
But it is a little odd that somebody bothered to provide a figure for it.
I suppose if you're desperate, and can't afford/find larger carbs, you might just bore the venturis.
But it is a little odd that somebody bothered to provide a figure for it.
- Mon Apr 05, 2010 7:26 pm
- Forum: Sigma's Section
- Topic: Tappet Help required
- Replies: 37
- Views: 10166
Re: Tappet Help required
My stock GH with 375000km on the clock pulled up 155psi (+/-10psi) cold Similar here for my GN but only 300,000km 155-163psi, but hot, and 0.002" less clearance on the tappets. All sparkplugs out, wide open throttle and turn the engine over 4 times (with the coil unplugged of course). Cheers. ...
- Mon Apr 05, 2010 7:21 pm
- Forum: Events » Event Photo Album » Cruise Register
- Topic: SA Cruise's - Suggestion's Please
- Replies: 28
- Views: 2974
Re: SA Cruise's - Suggestion's Please
Sunday 25th April = Anzac Day.
Monday 26th April = Public Holiday.
I don't think they f..d it up
Monday 26th April = Public Holiday.
I don't think they f..d it up
- Mon Apr 05, 2010 4:47 pm
- Forum: Engine
- Topic: Carburettor CFM
- Replies: 15
- Views: 8935
Re: Carburettor CFM
The tuning book I have (had? somewhere?) advises that DCOE choke (venturi) diameter should be 0.7 to 0.9 times the barrel diameter. On this basis, a 36mm choke would be the maximum advisable, but there's nothing to stop somebody machining them out to larger. I guess you would go larger to improve to...
- Sun Apr 04, 2010 10:31 am
- Forum: Builds
- Topic: Cottees' 1987 Sigma GN GSR Super Edition
- Replies: 713
- Views: 780545
Re: Cottees' Sigma GN Build
The rated voltage also affects the capacitance, ie: if a cap is rated at 100u at 100v, at 10v it will probably be around 60u. Do you have a link to this information? AFAIK, capacitance is a combination of physical construction and materials. The voltage rating indicates the maximum voltage the capa...