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Engine swaps and emissions

Posted: Sat May 29, 2004 9:10 pm
by chimpboy
Hiyas,

I've followed numerous threads on this with interest but I am unclear on something.

This might be because it varies from state to state, I dunno.

When you do an engine swap - to a non-standard engine I mean - are you required to use a newer engine? Or is this just a way of avoiding emissions testing?

I'm assuming that the tendency to run straight LPG is also for emissions reason.

I would like a V8 in the Maverick one day (prolly in the next 12 months...) but I am trying to understand whether I would be limited to a post-1992 motor, or limited to LPG-only.

Post-1992 I can probably live with. LPG-only doesn't suit long distance touring to remote areas, so it wouldn't be acceptable.

On a public forum I wouldn't want to get into the topic of fudging it by having it LPG only for testing purposes but dual-fuel in practice. Dual fuel I could probably live with but it obviously ups the cost of the conversion a fair bit.

Can anyone explain this to me? I am in Queensland but understanding the rules in other states too would be of interest.

Sorry if this has already been covered; I did search but got a lot of false leads.

Jason

Posted: Sat May 29, 2004 9:42 pm
by the_smoo
hope this helps

from VICROADS

"11. REPLACEMENT ENGINES

An engine which is of a type offered by the manufacturer as an option for that vehicle may be fitted provided that:-

All other related components including structure, suspension, brakes etc., are equivalent to those fitted to a vehicle of the same model supplied with that engine type as optional original equipment by the manufacturer, and
Acceptable evidence is supplied which certifies that these components are fitted in accordance with factory methods and the vehicle in its modified form is safe and complies with the applicable regulations for that model vehicle.

An engine which is not of the same type as offered by the manufacturer of the vehicle as original, but is similar in power, weight and emission standards to that of the original engine, may be fitted to such a vehicle. If alteration to the vehicle's frame or structure is involved and specially fabricated supports or structures are used an Approval Certificate must be supplied.

Where it is intended to fit an engine which is significantly different from that offered by the manufacturer as original or an option, (e.g. four to six cylinder or six to eight cylinder), then an Approval Certificate is required as evidence that the vehicle in its modified form is safe and meets all the applicable construction and emission regulations for that model. It is recommended that a VASS signatory is consulted before commencement of this type of modification. "

http://www.vicroads.vic.gov.au/vrne/vrn ... ment&Area=[Road+safety+hidden+documents]