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This is true... that's why your exhaust valve is smaller than the intake valve ;)

I reckon these things are a complete crock... They are supposed to improve economy and power by providing "more complete vaporisation of the fuel" from your injectors. Well. I'm sure that Bosch and similar companies would have invested many years and countless dollars into injector...

Gidday, I would think that 3.5 would be big enough for that combo... especially if you want that killer sound of insane horsepower while she rumbles away at idle. The thing to consider with the exhaust size, is that when you double the diameter of the pipe, it makes the surface area for the...

Hey Ajay, Sorry for the delayed response, I haven't been online much lately. By the sound of things, just another standard VR cat should do the trick. The whole issue with these things is the amount of gas that they can handle - the gas flow... The intake and exhaust flows from the engine...

And the truth shall set you free.... Thanks a lot for such a good follow up Doctor Bob, obviously even the Holden guys didn't know all of that stuff. It's good to get the drill on this at last.

Nice bit of investigative work there mate :) I would have thought that the immobiliser is switched off when you first unlock the car though? But yeah that thingy on the steering column is supposed to be a "key reader." Maybe those contacts are what's used to program the key to the car in the...

Wow, your problem doesn't sound like anything that's good for the blood pressure. Doesn't sounds like the one I had though... The fluid I got was Lucas Transmission Fix, it's in a white bottle, I think it was about $16 from Repco. It has smoothed out the shifts and reduced the normal...

Nah, the VR Series II is all electronic, hence the E in 4L60-E... Trust me, I've been in there recently and replaced a solenoid. It's electronic everything.

Sorry dude, I was being sarcastic... :D Anyway here's some pictures of mine, firstly the replacement one that's in the car now, and the buggered one that came out of it. It was seriously fubar, and it was actually painful to put your head inside the engine bay it was that loud, seriously...

Well, as far as the wiping memory thing, I was only passing on what the Holden guy had told me at the time. I assumed he would have known what he was talking about... but I don't own a VS or anything after that, and I have not repaired the key for one, so I have absoultely no experience in...

Possibly a little difficult to do that trick on a moving part like a harmonic balancer... If it's stuffed it will be pretty obvious, it will be shaking madly and the rubber inside it will be a mess. And it will sound like the engine is about to explode. Sticking a metal rod up against it...

Just to compare with another field as well, if you go for a pilot's licence, the first level you can achieve is your Private licence, which will let you fly passengers anywhere in Australia, but it limits you so that you can't work in a commercial field, like charter or flight instructing or...

Good to hear mate, I'm glad they've worked that well for you :D As soon as I can afford it, mine is going to get some put in as well. One of the manifolds that is in there now has a crack in it, I've done a temporary repair with exhaust putty which will hold it from leaking for a while, but...

Driver training is awesome I've got to 100% agree with you on this bit, VSTrev, I reckon it is far too easy for people to get a licence to drive, and the standards of the average driver on our roads reflects this. The Qld Government has finally twigged to this in a small way, by starting...

Ok, that's a lot better than I was expecting... How much did it cost? Worth giving it a try if it has that effect!

Yep, sure is... On mine, that one, plus the direction selector (face, feet etc) was also blown, the backlight on the A/C and defog switches were also gone and the A/C switch didn't come on when it was on too! What a mess. Looked so much better at night after I fixed it all ;)

If it's audible at driving speeds, it doesn't sound right... Possible that it's a hydraulic lifter or a noisy valve that's making that noise too.

Yep, I've heard some pretty amazing things about the computer's ability to adapt to the car and wring every last bit of performance it can out of it. It's a requirement of the American pollution laws, called OBD (On-Board Diagnostics) under which the computer is required to analyse the...

Hey Richie, How did the extractors go? I heard from a guy at work with the HSV VR that putting the resonator back on the car gave him back his low rpm power! Maybe that's also worth trying too...

Here's the info from the Qld Transport modifications website: Exhaust systems Exhaust systems must comply with Queensland legislation which includes the following conditions: • Exhaust headers (extractors) may be fitted to any motor vehicle, provided: they do not foul any part of the...

Hey VNPOWER, did you see any wiring while you were back there? I'm still curious about that coolant temp sensor of yours, it is probably up the back there near your thermostat. Somewhere on top of the engine I would think, a single stubby thing about the size of the end of your thumb with a wire...

The same was wrong with mine, I had half the panel not working when I got the car... The gearbox one is easy, lift the back of the panel over the centre console (up the back near the centre glove box) and then the gear indicator panel comes out - be careful to either make a mark where it was...

Yeah get right in there and find where the noise is - the injectors will be a sharp, fairly quiet tick-tick-tick, whereas an exhaust like will be more of a "spitting" noise... My exhaust manifold had a split in it recently and you could hear it quite distinctly over the sound of the engine. Easy...

Yep, sounds like the harmonic balancer. Get it fixed straight away, if it damages your crank angle sensor you'll be up for more money than you already are. I got a reconditioned one for $215 a couple of years ago - it chose Thursday afternoon, right before the Easter long weekend, at...

Also possible that the vacuum tubes to the back of the air control panel have fallen off. To get at this, you need to remove the panel around your gear selector first to get at the screws holding it in, and once you get the air control panel out, there should be what they call a "vacuum block"...

Gidday mate, welcome aboard! It sounds like there might be either a leaky injector, or perhaps your coolant temperature sensor is bung - something's got to be letting too much fuel into the cylinders. As far as the injectors go, it could be a leak from one or two of them - what do you mean...

The book is your friend... Yeah you've got the codes right, it will start with 12, which by itself means the system is fine, and the 46 is definitely the "No Reference Signal From DFI Module" code, which would make sense if it's being a bugger to start. It also sounds like the same problem...

What am I saying? It's all electronic! What with a throttle position sensor, it doesn't need a kickdown cable :o My bad! I'm still old school at heart...

How long since the trans has been serviced? Usually every 1-2 years is a good idea, and if it gets a flogging such as hard driving or towing, I do mine every 6 months with the normal service. It's only a matter of a new filter, pan gasket, and trans fluid, $50 bucks or so, and may save you...

Yeah it sounds dodge to me too... I was thinking today, after reading their website an their promises, that even if it did get the published 10% economy gain, you'd be saving about $10 every two tanks of petrol (it's about $50 to fill my car up, roughly lasts me a week or so.) So, saving $10...

What speeds does this one happen? If it's in all different gears and speeds, then it's probably engine vibrations. Mine does a bit of it in 3rd. It's actually improved a hell of a lot since the last service - I think the additive I put in the fluid would have made the improvement. If that's...

Yeah, you can hear a slight drop in revs, and from then on the revs go in line with speed, just like a manual. Increasing the throttle gives a steady rise in rpm as speed comes up, different to when it's not engaged - the revs will go up a few hundred rpm straight away under more gas at the same...

Here's another one... http://www.vaporate.com/main.php A guy from work was trying to convince me to try it out for him - it's like $400 to install it so it would want to make a pretty bloody big difference to pay for itself! I'm also in the school of thought that says, if these things...

Dirty Throttle Body? Very possible that you need to clean your throttle body. My car gave a couple of coughs, and just died for no bloody reason at the lights a week ago, completely out of the blue, it's never EVER happened in 2 1/2 years of owning it before that! :mad: I did some...

Solenoid/pan diagram A guide to help find the solenoids inside the transmission pan. Cheers all! Chris.

Try this link for size: http://autorepair.about.com/cs/troubleshooting/a/aa072702a_3.htm That's page 3 of 4, other pages are available down towards the bottom. Your problem doesn't sound good anyway... How long since it had the fluid changed? Is there enough fluid in the box to start...

Bite, for god's sake! Man, I just can't get a bite out of anyone from NSW, no matter how hard I try!

A good link about this http://66.102.7.104/search?q=cache:43Et_is02ecJ:www.tundrasolutions.com/forums/archive/index.php/t-17375+TCC+lockup+disable&hl=en Last reply I think is pretty relevant. Cheers!

Some links on disabling the TCC Gidday again, A couple of hours of searching has netted me these links... http://66.102.7.104/search?q=cache:43Et_is02ecJ:www.tundrasolutions.com/forums/archive/index.php/t-17375+TCC+lockup+disable&hl=en...

Problem solved at last Hey Rollo & everyone! I finally followed my own advice, and replaced my TCC control solenoid. Problem Solvered! Check this out: http://forums.justcommodores.com.au/showthread.php?t=9592 I have no doubt at all that your problem is in the TCC system somewhere, but...