66mm-67mm (or it's SAE equivalent) should do the trick. Only the front will require the bigger centerbore.

The ET45 set will have some clearance issues in front of 2wd's. Best to correct offset to ET30 with spacers.

BenT

sent from my electronic leash

On Sep 22, 2012, at 10:35 AM, Jonce Fancher <streetbugs@FRONTIER.COM> wrote:

> Hi all
> I know the bolt pattern for the vanagon and bay bus is 5x112.
> I want to know the center bore size required to fit over the hub and
> dust cap for the wheel as well.
> 
> I did pickup a set of 5x112, 15" x 7" Wide ET 45 Wheels
> 
> I also have a set of 16" Audi that are also 7" But only have 2. ET
> 35, Same 5x112 bolt pattern.
> 
> But both sets will Not bolt on with out the centers being opened to
> accept the centers.
> 
> Let me know.
> I know a shop that can do it cheaply enough but if I can at least
> tell them what I want I should be good to go.
> 
> I will mount a tire on each rim and check body rub and other issues later.
> 
> Thanks Jonce