After digging around stuff for come rego time (optimistic), it would appear that I'll need a mod plate for the previous owners upgrade from a 998 to 1100? Seems a bit ridiculous when theres basically nothing different on the car between the two motors. Would be good to hear a definite yes/no on what others did.

This is qld, by the way.
Thanks

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1978 Leyland Clubman

What makes you think it needs a mod plate?

The answer for QLD is no you don't need a mod plate for that. If a car comes from the factory with different engine sizes/types for the same car then you can fit those engines without a mod plate, so long as no modifications are required to fit the engine, and so long as the braking system meets the requirements for the engine. (As in 1275 needing disc brakes) Oh and it needs to comply with the relevant adr's etc.

So that means for minis, you can fit a larger A-series engine without a mod plate. And to upgrade brakes, if you use disc brakes that can be found on a factory mini (that don't require mods) then you can fit those without a mod plate also.

But if you put a honda engine in you need a mod plate. If you then upgrade to honda brakes then you need a modplate for that too.

You get the picture


Whilst i am not certified to do mod plates, i have worked very closely with someone who is and this is where my knowledge comes from.

When I got my mini registered the dept of transport didn't een go and look at it. The guy who did the rwc checked to ensure Ihad disk brakes with the 1275 and passed it as ok. You shouldnt have any problems

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"Beware the lollipop of mediocrity: lick it once and you'll suck forever" Brian Wilson

Other places had indicated you needed a mod plate if the engine in it was not the type for that body. E.g. Compliance plate says it should be 998, a 1098 is supposed to have mod plate then.

However, it's understandable why it doesn't need on as there's no mods to put it in.

Thanks for the answer

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1978 Leyland Clubman

But did you put down on the rego form that it had a different engine? This is where the problem is supposed to be, as if you are truthful here it's supposed to say where's your mod plate?

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1978 Leyland Clubman

Or you could build a 1098 using the 998 block.

I registered a Deluxe with a 1275 and drum brakes with no problem. The people having a look generally have no idea what the numbers mean in a engine number.

Edit: I should add that this car now has disk brakes

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1964 998cc Cooper
1971 Mini K x 2
1972 Clubman GT

Use the 998 block.

Who's going to know?

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Well I don't have the block, I guess I may as well register it as a 1098, shouldn't ask for modplate?

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1978 Leyland Clubman

1098s were used in Clubbies until ~1975, so IMO no need for a mod plate going from 998>1098. Same car, brakes and all.
As long as they don't ping you for having an engine older than the car is (happened to me once in NSW when a 1098 went in, so I just went to another inspection station for the engine no. change).

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R.

You wont have a problem, like I said before the people looking at it will have no idea what it was meant to have.

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1964 998cc Cooper
1971 Mini K x 2
1972 Clubman GT

I must stop thinking like a South Australian.*

I want to say. Just put whatever in it and register it.





*not a bad idea, generally

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If you car has a different engine number to what is on the rego papers it's no big deal. What happens is when you get a roadworthy certificate, the inspector fills out all the details as they appear on the car. So the RWC only has the current engine number. Then when you take the RWC and transfer papers to transport, they will note that the number doesn't match their records. They may then ask to view the car so they can check the numbers themself. I presume that if you don't have the vehicle with you then they trust the person who inspected the car.

That hasn't been my experience, they always insist on seeing it for themselves. It seems quite the opposite in that they don't believe the inspectors

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1964 998cc Cooper
1971 Mini K x 2
1972 Clubman GT

Fair enough, i always wondered about it, having had the the car with me the only time i had to change the number.

They do like to issue fines to inspectors for getting numbers wrong so i guess they like checking it themselves.