If the wheels are painted, this should not be too serious of a problem. This becomes an issue when the paint is scratched during mounting.

My Vanagons already sacrificial anodes. Some of them are called engines. Others transaxles.;-)

BenT
sent from my electronic leash

On Aug 1, 2013, at 1:23 PM, Larry Alofs <lalofs@GMAIL.COM> wrote:

> Alloy wheels against steel hubs!  Now you've got me started.  I've had so
> many alloy wheels stuck on vehicles that I have just purchased...