Commodore steel 16 inch rims on disco 2

**Pacemaker** · 24th March 2011, 12:28 PM

Hi all,

Over the past few weeks ive been searching for rims 16 inch to put muds on for weekend use. At work i had several steel rims from a VE commodore laying around. So far i have worked out the following.

2006 to current VE Commodore runs 120 x 5 PCD which is the same as disco 2

The base model commodores have a steel rim which is rated to 730kg per rim. Size is 16x7

This steel rim from the commodore has an offset of 43 which is going to stick out half as much as any steel sunrasier available. The standard disco 2 wheel offset is 57 and the sunrasier types are all 30

The centre spigot of the commodore rim is 66.9mm in diameter. The disco 2 rim is 70.0. That 3.1mm difference.

The standard wheel nuts from the commodore fit on the disco 2 wheel studs. Well this is the case on my 99 disco 2 td5. The wheel book says my disco is 16x1.5 and commodore is 14x1.5. The book must be wrong.

I have drilled the centre spigot out of the commodore rim to 70 mm and the wheel fits the front and rear of the disco with plenty of clearance from calipers and steering components. This was using the commodore wheel nuts. My only concern is the maximum weight allowed for the commodore rim being 730kg.

Even with the centre spigot 3.1mm larger i dont believe this will weaken the rim. the load and centralising of the rim is done by the standard tapered commodore wheel nuts.

With the offset of the commodore rim being 43 but only being 7 inch wide i have worked out that the commodore rim will stick out 2 mm more than my LR factory 18x8. This is about 15mm less than the sunrasier style rims with 30 offset and 7 inch width. If you decided to go an 8 inch sunrasier style rim you could add another 12mm to the 15mm making it 27mm further out than the standard LR rim.

cheers. Michael.

**Redback** · 24th March 2011, 12:37 PM

I'm pretty sure the Disco alloys are only rated to 750KG per rim, the weight of a D2 TD5 is 2225KG.

Disco 2 wheel studs are 14mm x 1.5 as are the newer Commodores, the Disco 1 is 16x1.5.

Baz.

**Scouse** · 24th March 2011, 12:45 PM

One of the Sydney guys on here runs Commodore centres on his D2. The wheels are rather modified but the centres are Commodore.

**PhilipA** · 24th March 2011, 01:34 PM

I believe the Ute has heavier duty steel rims than the car. Maybe check the load rating of them.

My mate building his Alloy D type replica is using Commodore ute rims, as they look like Dunlop alloy rims.

Regards Philip A

**Rosscoe68** · 24th March 2011, 02:56 PM

back in the day when we used to run a BMW speedway car, we used late commodore wheels on it as there were no steel BMW rims with the size and offset we wanted for speedway. so the logic goes for me, that BMW and particularly X5's etc should fit onto D2. worth a look for more wheel options i think.

Tombie · 24th March 2011, 03:17 PM

Originally Posted by Rosscoe68

back in the day when we used to run a BMW speedway car, we used late commodore wheels on it as there were no steel BMW rims with the size and offset we wanted for speedway. so the logic goes for me, that BMW and particularly X5's etc should fit onto D2. worth a look for more wheel options i think.

Sure do... I have a set here

Discobaker · 24th March 2011, 06:24 PM

I'd be concerned about boring out the centre of the rim, at least in vic & nsw you're not even legally aloud to drive on rims with slotted holes to suit more than one make of car. I doubt if the altered rims would be classified as "roadworthy" but I guess if your on private property it don't matter but good luck with insurance if you stack & they see the rims you're running.
My 2c worth.

**bee utey** · 24th March 2011, 06:46 PM

Originally Posted by Discobaker

I'd be concerned about boring out the centre of the rim, at least in vic & nsw you're not even legally aloud to drive on rims with slotted holes to suit more than one make of car. I doubt if the altered rims would be classified as "roadworthy" but I guess if your on private property it don't matter but good luck with insurance if you stack & they see the rims you're running.
My 2c worth.

I can't see how machining 1.55mm radius out of the centre locating hole would count as a dangerous modification which would weaken the wheel. There's no slotting involved.

**clubagreenie** · 24th March 2011, 06:51 PM

You're allowed to use a plastic ring to reduce the size of the hole on rims that are hub centric. I'd rather make a hole bigger on something that doesn't rely on it than put something plastic (and trust me brittle) to locate it.

**PhilipA** · 24th March 2011, 07:08 PM

I can't see how machining 1.55mm radius out of the centre locating hole would count as a dangerous modification which would weaken the wheel. There's no slotting involved.

BUT the rims in question if like the ute rims have a rolled edge at the centre which appears designed to add strength. Machining1.55 MM would reduce the thickness of the roll significantly as the wheel steel thickness appears to be about 2MM (on the ute rims)or so.

My mate with the D type replica and I had a long discussion as he has the problem that his E type hubs are bigger than the hole also but AFAIR more like 4MM, so maybe he will machine some off the hubs.
Regards Philip A

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