Yeah, it's a dumb rule, but the one we have to live with.
HK, what's the difference between ADR 27a and b?
Yeah, it's a dumb rule, but the one we have to live with.
HK, what's the difference between ADR 27a and b?
Vans.... This is the 2nd time round the block, 40 years later! talk about turning back the clock!
I'm not sure as I've never really been all that interested in the ins and outs of Holden/Commodore etc after 1980. Dr Terry will probably have a better idea.
Yeah, me neither. It's probably only some minor thing. My WB van is ADR 27b, not that I give a crap about that, but it's interesting to see the minor changes especially the ones to the engine emissions.
Vans.... This is the 2nd time round the block, 40 years later! talk about turning back the clock!
It tells you here if you care to read it.
http://rvcs-prodweb.dot.gov.au/Circu...rs/27b-1-1.pdf
Looks like only evaporative emissions is different.
I think many of these emission rules are now almost irrelevant.
AFAIK, the RMS (RTA) now look these rules as just being either pre-73 (no ADR27) or pre-1986 (pre-unleaded).
When you look at todays emission laws, Euro 4, Euro 5 etc. the difference between ADR27, 27a or 27b, becomes almost meaningless. Especially when you consider how many of these cars are still on the road, as a proportion of the total fleet.
I am currently going thru this stuff with a few certifying engineers, to get a handle on it. But even on the subject of chassis stampings, I don't think that the authorities are as draconian is you think they are.
Dr Terry
True Dr Terry. Most rego inspectors down my way don't even look at things like emissions or ADR's when doing the annual inspection on old cars. It seems that as you say, they only really focus on Pre unleaded and Post unleaded.
I've had a Holley, Edelbrock manifold, extractors, etc, etc,.... on my LX Torana for years and they don't even bat an eyelid. It's on Historic rego now, so that doesn't even get checked any more.
I think that as long as your numbers add up there's no real drama. Obviously as per the original topic, a WB chassis will change a few things, but I don't think it would affect rego with regard to ADR27a(b) any more.
Vans.... This is the 2nd time round the block, 40 years later! talk about turning back the clock!
It will matter if you get defected and have to go to an RMS inspection station, or if you have to get it Engineered for example with a SBC. But as Dr Terry says it probably won't matter too much with normal blue slip or pink slip process.
That would be "Services NSW" this week!Originally Posted by HK1837
Byron empty your PM Inbox I have people filling mine up wanting to contact you.
I don't think that the RMS will allow a SBC into HX-WB, but things like extractors & Holleys etc. on any old 6/253/308 quite often 'go under radar' as far ADRs are concerned.
Many inspectors don't have the knowledge of the intricate differences between all the variations of ADR27/A/B etc. on all the different engine & transmission combinations. Also a lot of the necessary documentation is no longer easily accessible.
As long as the cars looks good & runs well & isn't blowing smoke or leaking oil & the engine is from approximately the correct era, it will pass.
Dr Terry
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