Legality of Adjustable Rear Coilovers?

[1991_Vn2nV]

Are adjustable rear coilovers on VB-VP legal, particularly in South Australia?

Im talking off the shelf, not home made crap too.

[AirStrike]

Does anyone even make rear coil overs to suit?

[hakhawk]

more "adjustable height" springs than coilovers. noltec do them

[Clutchy]

Are adjustable rear coilovers on VB-VP legal, particularly in South Australia?

Im talking off the shelf, not home made crap too.

To run them you would have to brace the shock mounts as they normal ones wouldent be strong enough I would say havent had a look under my vn for ages would they even fit ? and why do you want coilovers in ya commy ?

[Commoler]

Transport Sa accepts coilovers providing:
-You have an engineers report/submission to say that your particular coilovers still provides 2/3rds available suspension as per OEM specs.
That the adjusting ring has a positive lock on.
-You have the correct eyebrow ride height for your car. Front 330mm Rear 305mm.
- You have 100mm ground clearance.

[1991_Vn2nV]

Transport Sa accepts coilovers providing:
-You have an engineers report/submission to say that your particular coilovers still provides 2/3rds available suspension as per OEM specs.
That the adjusting ring has a positive lock on.
-You have the correct eyebrow ride height for your car. Front 330mm Rear 305mm.
- You have 100mm ground clearance.

So basically they accept coilovers as long as you can't adjust them?

[1991_Vn2nV]

Does anyone even make rear coil overs to suit?

more "adjustable height" springs than coilovers. noltec do them

What hakhawk said. Noltec do off the shelf front and rear bolt on coilovers for VN.

[hakhawk]

just cant adjust them below min heights. the positive lock is so they dont work themselves to different heights while driving

[1991_Vn2nV]

To run them you would have to brace the shock mounts as they normal ones wouldent be strong enough I would say havent had a look under my vn for ages would they even fit ? and why do you want coilovers in ya commy ?

I got defected for too low, so I just figured it would be easier if I could fit adjustable rear coilovers if they are legal.

The car is not actually too low, it sits a few mm above the minimum eyebrow height front and rear.. But the cop measured the vehicle on a slope and didn't let me unpack the car (on the way to victor harbor with the gf). Atleast with adjustable coilovers I could let it sit a bit higher on the road, then drop it down for car shows or whatever.

[daron]

i was told they illegal full stop
with or without certificate
dylan just put in normal springs
you knwo regency is bad

[Commoler]

i was told they illegal full stop
with or without certificate
dylan just put in normal springs
you knwo regency is bad

Regency will allow them provided you have meet the requirements.
You were probably told by Police that they were illegal not by Transport SA.
The police will even tell you Pod filters are illegal too... But they are accepted by Transport SA.
You may think TSA are not up to date... SAPOL are not too good either....

[Commoler]

So basically they accept coilovers as long as you can't adjust them?

yes
they need to be positively locked so they dont adjust while driving and so you cant easily adjust them on the fly eg drive out to a showshine/drags adjust them to low and then you drive home too low coz you couldnt be bothered adjusting them to the right ride height again.

[1991_Vn2nV]

How exactly would you positively lock a set of coilovers?

[Clutchy]

How exactly would you positively lock a set of coilovers?

A grub screw through the adjuster ring does the trick. Still dont think the shock mounts will be strong enough to hold the car for any amount of years in time. (if that makes sence)

[Clutchy]

What hakhawk said. Noltec do off the shelf front and rear bolt on coilovers for VN.

Front coilover for a commodore hows that work ??

[Swordsy]

Front coilover for a commodore hows that work ??

coil over shock, how they come standard. but to get one to fit a commo. you pretty much have to put them together yourself. its mainly a bolt on par for jap cars. i was looking at doing it to my car but decided that it was too expensive and not really worth it.
on the rear. i wouldn't even bother it unless you ahs a lot of money or a lot of knowelege and time and are willing to get an eng cert.

[Swordsy]

coil over shock, how they come standard. but to get one to fit a commo. you pretty much have to put them together yourself. its mainly a bolt on par for jap cars. i was looking at doing it to my car but decided that it was too expensive and not really worth it.
on the rear. i wouldn't even bother it unless you ahs a lot of money or a lot of knowelege and time and are willing to get an eng cert.

sorry, i was looking at summernats today, and you can get sdjustable rear springs for VB - VS. Nice but i'm still going to stay with my just legal ultra lows :P

[Clutchy]

coil over shock, how they come standard. but to get one to fit a commo. you pretty much have to put them together yourself. its mainly a bolt on par for jap cars. i was looking at doing it to my car but decided that it was too expensive and not really worth it.
on the rear. i wouldn't even bother it unless you ahs a lot of money or a lot of knowelege and time and are willing to get an eng cert.

Ya talking coilover or just were they put a thread on the strut tube and you can adjust it that way ? as ive never seen a coil over in the front of a commodore.

[1991_Vn2nV]

A pic if that helps:

[immortality]

all they have done in that pic is cut the factory spring platform off the strut and then welded a threaded tube over the strut to get your adjustment. you can purchase direct swap coil over struts for VR/VS onwards but haven't seen a complete unit for earlier models, i have however seen kits to do it yourself, they supply everything needed to do the conversion. (advertised in street machine some time ago from memory or maybe it was street commodores, can't remember) there are a few different brands that do coil over setups to suit commodores. try http://www.fulcrumsuspensions.com/te...d__holden.html

you can also convert the rear to a proper coil over setup however the standard shock mounts were never designed to handle the wieght of the rear end of the car so would need to be strengthened. it has been done however (here in NZ anyways) most would just use the adjustable spring platforms from noltec

[hakhawk]

noltec ones are a complete swap over for the front of a vn-p. set you back just over 2g retail with adjustable strut tops

[gslrallysport]

Commodores come standard with front coilovers. The additional of a threaded sleeve kit doesn't make a coil over. A coil over by design is when the coil is supported by the strut...

Those Noltec struts are a good off the shelf option, but expensive at $1950 just for the fronts...

If you wanted the ultimate in street coilovers, forget any of that cheap tein/buddy club stuff and jump straight to DMS...
Drummond Motor Sport - Not All Shock Absorbers are Created Equal

Looking around the $3.5k for a complete setup.

[Clutchy]

A pic if that helps:

To me thats just a normal strut a coilover to me is the spring on the shocker not a strut so to me and alot of other people ive spoken to about this ya cant put coilovers in the front of a commodore as its still a strut set up.

[hakhawk]

To me thats just a normal strut a coilover to me is the spring on the shocker not a strut so to me and alot of other people ive spoken to about this ya cant put coilovers in the front of a commodore as its still a strut set up.

got a pic or some info on "coilover" that you cant fit in the front a commy?

also i cant see how having the spring perch on the strut housing is any different to the spring perch on a shocker housing? they both sit in the same location, the insert doesnt move from the strut housing, so it stays in the same position as a shock would.

maybe im just stupid, but i dont get it.

[Dan355]

It takes less than 5 mins to change the springs. Have one set to get defected on one set too pass and another for track work ect. Thats what i would do anyway. As said before i think any coil over would need to be engineered for legality sakes anyway.