looking for some advice here does anyone run porsche wheels with adaptors, do they fit under the arches easily if so on rear, also are later hubs and spring plates the same dimensionally and interchangable as if i go for later hubs and have em drilled for porsche i already have 68/69 adjustable spring plates and intend to use them, front not so mucha prob as i am running split beam so can get dropped porsche spindles