Hey Leigh,
The rules are not ambiguous as to modifications on club permits, they are very straight forward.
The wording however is not great as some people see that the mention of street rods means that it does not apply to other vehicles.
This is quoted from the Vicroads Club permit page
http://www.vicroads.vic.gov.au/Home/Reg ... ermits.htm
"A club permit can be issued to the following vehicles in the following categories:
Veteran vehicles – manufactured before 1 January 1919;
Vintage vehicles – manufactured after 31 December 1918 and before 1 January 1931
Classic and Historic vehicles - manufactured after 31 December 1930, but more than 25 years before the date of the application for a club permit.
These categories can include trailers and
modified vehicles such as street rods. Vehicles which are replicas of vehicles in the above-mentioned categories may also be issued with a club permit."
"in the case an application made in respect of a street rod, that is a vehicle modified in excess of the level prescribed in the Vehicle Standards Information No.8. (VSI8) document [PDF, 279 KB, 8pp.], a Street Rod Inspection certificate issued by any VASS Signatory [DOC. 1113KB, 7pp]"
So any vehicle that has had more than a 20% power increase needs to be engineered, likewise all the usual mods like seats, brakes etc still need to engineered.
After getting sick of needing to be a member of multiple clubs due to owning a few different makes of classic cars I started my own club and got it on the club permit scheme.
We have many members with highly modified cars including an (engineered) SR20det 1600 so I spoke in depth with Vicroads including the Registration and Licensing Policy department.
I was informed that the VSI8 document mentioned above applies to all road vehicles and if we where to allow club permits on cars that did not satisfy the requirements and where not engineered, the club would be found in breach of the requirement and kicked off the club permit scheme meaning all members would lose their permits.
Unfortunately a few police officers and Vicroads managers I have talked to think that a lot of people are not obeying the rules of the new scheme and are actively seeking to catch offenders.
This puts all clubs at risk with the club permit scheme potentially going back to it's original form or even tighter controls. One potential consequence is that all cars will require a full rwc.
I have also been told (and I hope it is inaccurate) that Vicroads have been auditing clubs and requiring that all permitted vehicles with in the club be presented for inspections by Vicroads.
Here's hoping the minority that are breaking the rules don't wreck it for the rest of us and that the current Club Permit Scheme stays in place for a long time to come.
Cheers
Jake