Migs, I assume the CR bearing face is the same else there would be a change in width though I've not checked. I'll have to dig deeper to see if I've any XXX CR hubs somewhere in the box as I can't be arsed to take them off my car.
What I would say is that on the old B2/3 when I used to also run stock, I used to frequently try to run the 2 deg hubs for the same reason you mention i.e. less scrub - more performance.
I always concluded that I couldn't feel any performance gain but the car was always that little bit harder to drive. Maybe it's better in 4wd, in fact it must be at Lee Martin ran the very successful first season with Aero with little/no toe in but I'd now always go for setup over anything else.
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Nortech is ACE!
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