Jump to content
SAU Community

Recommended Posts

All you can really do is try and keep your ride within the laws...

If you have obvious defects, you're going to get done. It's as simple as that.

If you want to stay entirely within the law, this will ultimately puts limits on outright power that's achievable without going through engineering & a full emissions inspection as you're not going to be able to replace/change turbos, upgrade injectors, replace AFMs, etc.

What exactly is engineering your car?? had a look on the site steve posted but what can they do I don't really get it? if your car has illegal modifications can they somehow make it legal? Or am I completely misunderstanding

What exactly is engineering your car?? had a look on the site steve posted but what can they do I don't really get it? if your car has illegal modifications can they somehow make it legal? Or am I completely misunderstanding

You either prove the modifications already comply with ADRs or you alter them to comply with ADRs, hence showing that they are in fact already legal, or you make them legal.

Ahh... May have to look into it. alter as in how? how would you alter modifications like turbo (high mount too) or injectors to make legal?Would it mess with power and the cars tune

anything to do with the engine must remain stock. when you change anything, its considered 'not factory certified by design' which means that the emissions laws come into effect

You can build whatever you want, if you can get all the supporting technical documentation to certify its safety and emissions (and probably other things - I remember reading a post SLED made about the rake of his bike, wasn't to spec by our laws so he had to redesign the front end which was a PITA - just to point out that there are laws but also a flexibility as I believe the SLED was fabricated from scratch. I could be wrong on that.

I remember theres a bloke who chucked a ww2 spitfire engine (24 litre rolls royce) in an old school american car and I >think< he even got it certified road legal (even though it did something like 2000 horsepower)

-D

yeah, they can pull u over because they "suspect" the car is defectable...

then if they cant find any obvious defects they can defect u for "suspicion" of modification to your vechicle...

this is true, but if you are 100% sure that they're wrong (ie its all legal and you have engineering certificates) then you take them to court and you get your expenses overturned, some pathetic amount to placate your inconvenience, and a rebuke to the officer in question.

Its like pissing into the wind, metaphorically speaking. You might prove your point but sapol, like any company, has a sophisticated pr division skilled in damage control. you'll hear something like 'said officers were stood down' which means theyre chilling behind a desk on full pay.

that said, if your car isnt roadworthy or uncertified, well I guess it could be argued they're working in your advantage. Hell, even the ford pinto was notorious for exploding in rear end collisions, yet it was still considered a roadworthy vehicle till it was recalled. Its all nonsense.

-D

Ahh... May have to look into it. alter as in how? how would you alter modifications like turbo (high mount too) or injectors to make legal?Would it mess with power and the cars tune

You have to pass an IM240 test, it is a full spectrum emissions test, to pass it you need generally fairly low boost, and the AFRs have to be perfect, too lean and you fail on nitrogen compounds, too rich and you fail on carbon monoxide, you also have to pass on CO2 which is effected by how much torque the motor is making, eg boost.

So you need a tuner that is willing to do his best to get it right, then come along to the test and tweak it as you will most likely fail the first time. You get 3 shots I think, then another $1000 and come back another time. You also then need upgraded brakes for the extra power, they will need to do a lane change test, so you have to pay for a driver and track hire. It adds up fast, hence why so many people just go highflowed stock and keep the car looking stock so it passes with 300kw, it is easy to do, just no aftermarket looking turbos.

this is true, but if you are 100% sure that they're wrong (ie its all legal and you have engineering certificates) then you take them to court and you get your expenses overturned, some pathetic amount to placate your inconvenience, and a rebuke to the officer in question.

This is the only time it is worth challenging it, when you know the car will pass first time and it does in fact pass first time. Even then it is a huge waste of your time, but it will prove a point.

Edited by Rolls

You have to pass an IM240 test, it is a full spectrum emissions test, to pass it you need generally fairly low boost, and the AFRs have to be perfect, too lean and you fail on nitrogen compounds, too rich and you fail on carbon monoxide, you also have to pass on CO2 which is effected by how much torque the motor is making, eg boost.

So you need a tuner that is willing to do his best to get it right, then come along to the test and tweak it as you will most likely fail the first time. You get 3 shots I think, then another $1000 and come back another time. You also then need upgraded brakes for the extra power, they will need to do a lane change test, so you have to pay for a driver and track hire. It adds up fast, hence why so many people just go highflowed stock and keep the car looking stock so it passes with 300kw, it is easy to do, just no aftermarket looking turbos.

I have not yet seen any highflow turbo's making more than 240-250rwkw.

I have not yet seen any highflow turbo's making more than 240-250rwkw.

Not a single setup, but GTR's can use the same housing, turbine specs and use metal rather than ceramic, good for up to 320kw apparently. In fact, any of the 2860 series of turbos can have a certificate stating that they are aftermarket replacements (MTQ does this I know) and I think they go all the way up toe 400 odd kw (which is pretty damn decent for an otherwise stock setup)...

-D

I have not yet seen any highflow turbo's making more than 240-250rwkw.

Not to drag this thread too off topic but I know of several high flowed M35 Stagea turbos that have made in the region of 300awkw

Not to drag this thread too off topic but I know of several high flowed M35 Stagea turbos that have made in the region of 300awkw

Can you tell me the specs etc. I am keen on this.

Check the hypergear thread, he has ones doing up to 280 with the standard housings.

Oh yes hypergear. Their power figures are highly inflated. I ran one of their turbos from before. Great turbo just not making the power quoted :D

Can you tell me the specs etc. I am keen on this.

Oh yes hypergear. Their power figures are highly inflated. I ran one of their turbos from before. Great turbo just not making the power quoted :D

Fortunately that sheet was sent from a customer, not a test car result. Have a read through the thread, every one made similar power figure as test car as long as they followed instruction guide and with the right setup.

I can high flow a stock OP6 turbo to make 300rwkws+. Except it drives like crap.

Need to cut a chuck out of the rear housing, brace it back after machining, then stick in a baby trim 3540 size core, that makes 300rwkws+. Looking from out side its still a stock turbo.

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now



  • Similar Content

  • Latest Posts

    • I have been being VERY quiet about what you're alluding to, as it is something that ticks me off... The number of cars from factory that run coil overs is HUGE! Most of them these days do... The other part that annoys me, is people saying "Well all the incabin adjustable suspension is illegal by blah blah blah"... If that's the case, then why can I buy a car brand new that can do it if, FULL STOP in cabin adjustable suspension is illegal...   Also, I could just chuck some aftermarket shocks in my car, throw the stock springs on, after my blue slip, dump my super low springs back in. Same shock and spring style setup... Hell, they could also be the same colour springs etc.     I'm voting, BlueSlipper didn't want to touch the above car for some reason. Whether it be some sort of bias against the car, the owner, them maybe having previously done dodgy shit and now they're being super careful in case they get slapped in the face by the Gumbyment again... Find a new blueslip place.   And can confirm as you had said, yes there are holy bibles of vehicle heights, and all sorts of other suspension stuff. Heck your run of the mill mechanic, and tyre shop has access to all of that stuff. It's how they do wheel alignments...
    • Funny story Heading to Sydney this morning on the HWY there was some slow traffic, so I gave it the beans and midway through my overtaking "power run" I lost all power It seems that I missed a hose clamp,  and the MAF and filter went WiFi To make this more problematic, the little tool kit that lives in the boot, is sitting in the sun room at Goulburn......LOL Luckily for me I found a bit of steel on the side of the road that could be used like a rusty and bent flat head screw driver to tighten it up enough that it got me into Sydney, it is now all tight like a tiger with the aid of a 8mm socket Note to self: Use my brain and double check stuff, and always keep that little tool kit in the car for when I have a brain fart
    • Oh, and as for everyone with their fuel economy changes, I switch between E10 and 98 in the company car. Even do when I had personal cars that could run on E10. You know what changed my fuel economy in any noticeable way? How I drove, and where I drove. Otherwise, say on full tanks of just back and forth from work only (So same trips, same sort of traffic), couldn't notice a difference that I can correlate to the type of fuel in use. In the current vehicle, that's over 42L of USABLE fuel. While 98 is all "more energy dense", it also has higher knock resistance as it takes more energy to get it to ignite too. The longer hydrocarbons, typically more tightly bound. So running the same ignition map, can also produce less power, if there isn't enough time to get it all burnt through properly, as yep, the flame propagation speed is different from lower octane fuel to higher (Higher has a lower flame propagation, due to the more tightly bound and harder to self ignite funs. This is also typically where, a vehicle that is designed purely to run on 91 (Whether it be E10 or normal 91) usually sees absolutely no real world difference in fuel economy for the normal man, woman, or dog.
    • We've got some servos around me that have 91 with E10, 91 (no E10), 95, and 98. At those stations the change from 91 E10 to 91, is typically around 8c/L.   But lets not get started on the price of fuel in Oz. It's ridiculous. All the service stations around me, bar one, the price of fuel has been over the $2 mark per litre for the cheapest, 98 being around $2.45. That one service station is a CostCo, fuel from it comes from the same refineries, and makes no pitstops, it runs great, including the 98. In fact, I've had no issues on CostCo fuel, but plenty of issues at other stations!. The CostCo fuel, was $1.65 roughly this week for 94 with E10. $1.88 for 98. Servos directly across from it, $2.10 for 91 E10, and $2.48 for 98. The part I had to laugh at? If I drive multiple HOURS away from Brisbane, say out near Nanango, or Kingaroy, or even out to Goondiwindi, the price of their fuel, is the same as what it is at the CostCo... Oh, and that BP servo at Goondiwindi is HUGE and goes through epic turnover of fuel, so it's not sitting there for weeks going to shit. And what blows me away, my mate is one of the people who drives the Fuel Tanker all around QLD, delivering to all those places. At the same company his previous role was doing the "local haul" deliveries... Same truck, same driver, same pickup point it all comes from. So you tell me, how the hell it is 60c/L CHEAPER for fuel, when nearly all else is equal, except they require a B-Double to drive half a day out of Brisbane, and half a day back, every second day, compared to the delivery that can be under 30 minutes drive from the fuel pickup point... Not to mention, go five blocks down the road, and Ampol to Ampol will vary 30c/L... And I've had this conversation with my mate... The way it's priced, is just typical, pure and utter rubbish... He also does runs from Brisbane, to all over QLD, down to Newcastle, Sydney, Nowra, Melbourne, Geelong, and even out to parts of the NT depending on the companies needs. His main stuff is all the longer distance away from home for a few days at a time, then when he's back, he loves to just pickup extra shifts wherever he can in whichever truck, hence all the weird different places.   Oh, as for getting E10 into all the fuels in Australia... It was very quickly highlighted, that we don't have enough biomass available to use to make E10 sustainably like they require, and it would dramatically cut into our, and the worlds food chain supply...   I vote we all just start running on liquid methane gas... Plenty of that just getting tapped off at tips from underground decay... (Note, this is pure just stupid commenting. I could very easily highlight the reasons its not a good idea especially on scale...)
    • Am I correct in assuming that the R35's are getting the classic skyline haircut off the odometer?  Quick search on carsales, there are 33 08 and 09 GTR's for sale, only 2 of them have more then 100,000km's on them (116,075 and 110,000 respectively).  And somehow there are about 25 for sale with around 60,000kms? Looks like the classic skyline haircut to me =/
×
×
  • Create New...