I've been considering putting sportier springs (Tein S.Tech springs in particular) on my n/a FC. These are supposed to lower the car by 1", and I've been told they may lower as much as 1.5". To what degree will this affect camber? How much positive camber will be needed to compensate for this? It seems like my tires wore rather evenly last time; I'd rather avoid needless camber wear.

I'm on wheels and tires (225/45 R17 specifically) that're slightly larger diameter than stock; this may change things too.

 

My experience was very close to 0 static neg camber gain at the front retaining the stock upper mount with Ground Control sleeves on the existing AGX struts, with 350lb/in springs that gave ~1"-1.25" drop. At the rear, on the other hand, the camber gain is more dramatic, around -2*, enough that tire wear is an issue, and because the stock suspension has no adjustment, the only choice is to get something like the rear camber adjustment linkage from Racing Beat.