Naturally Aspirated Thread
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By joshuaho96 · Posted
In the US the EPA has been going after shops that sold aftermarket ECU tuning software that allowed you to disable CELs for things like EGR, DPF, SCR, or TWC failure. They also went after shops for selling emissions delete equipment. Their logic is that all cars built for street use have this emissions equipment and you cannot do an after the fact conversion to an off-road vehicle not intended for street use. Cobb, Hondata, and similar companies have basically all revised their tuning software such that going forward you cannot suppress DTCs for emissions-critical systems, nor can you toggle systems on and off in the tune like EGR. You also cannot adjust OBD emissions monitoring logic. You can still tune these cars. But you have to do things the hard way, basically. For example Subaru FA20DITs used to delete the TGV system to get spare analog IO for a flex fuel sensor. EGR also has to be dramatically pared back because without the TGVs the stock EGR map causes bad misfires. Now instead they have to implement the flex fuel system as a CAN bus sensor instead. IMO, this is heavy-handed but the EPA in the US gave so much leeway for so long and the aftermarket relentlessly abused that leeway to the point that they could actually see the effects of all these emissions-deleted work trucks on their air quality monitoring for cities that haven't met Clean Air Act standards. It's one thing to have a few people deleting emissions on their weekend car that spends 9 months out of the year on jack stands. It's another thing entirely for entire fleets of tradies driving around 8 hours a day on deleted diesels that emit 1000x the emissions per mile of a compliant vehicle. -
Hmmm. that's a tough one. There's a lot of history bundled up in that lot. Perhaps instead we can create a new pinned thread, called "Legacy Pinned Threads" and provide links to the these ones that will be unpinned in there. And maybe put the names of the pinned threads that are linked inside in the tags so they can seen from the outside? Or something like? I mean, it's half a step back towards having a more complicated forum structure, without actually having it. But there's a reason that heirarchical architectures exist. They are logical, and if executed properly, make it easy to find something without having any upfront knowledge of where it would be , and without using a search function. -
By Dose Pipe Sutututu · Posted
Can we unpin a bunch of dead / irrelevant threads from: https://www.sau.com.au/forums/forum/8-engines-forced-induction/ New players at home will scroll and think this forum is dead. -
It's all about selling non-compliant emmisions stuff, and things like tuning stuff that makes your car have more emmisions, a very small percentage of modifications and tuning go into race cars, the vast majority of tuning and mods, like catless exhausts, or non-compliant cats, go into street cars with registration Like a gun shop can only sell to someone with a gun licence, if they don't, they are fined and even jailed, and whilst a gun is totally different to a tune, or a catless exhaust, they are still illegal for a street car As for customers, it easy, they send a letter and tell them to show up for an inspection, like if someone says your car is to loud now, if they don't show up for the test, they can cancel rego, just like not paying a traffic fine This has been happening for years overseas in other countries I'm in no way happy about it, but, I think there is definitely writing on the wall for modern cars with emissions standards, which will effect tuning shops, parts suppliers and end users And like other countries around the world, it is the government's that makes the rules and regulations for street cars with rego What would happen to a tuner or workshop if they were investigated about turning off stuff in a ECU IRT emmisions stuff like engine check lights for cats, or removing cats, or putting in a lower cell cat, this is apparently all illegal IAW modifications to registered cars, or, retuning the car so that with even stock emmision stuff still installed, but due to the tuning, or parts, like bigger cam shafts, it will now not pass the emmisions test Yes, I am going into a rabbit hole, but going off what other countries are doing IRT everything related to emmisions........cars, trucks, manufacturing, mining, modified vehicles are a easy target Meh, time will tell how it goes either way -
This^^^ 100%. Endless Male Attention. "buy a cool car, attract females". No reality is the opposite. "Buy a cool car, attract males".
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