I think that max ported Victors could compete with Indy 440-1 heads. But I haven't seen any combo's performance really impress me yet. Good but not impressive.

My dream comparison would be a head swap on the dyno with Indy 440-1 heads and max wedge Victors both flowing in the 360 cfm range. Say 500ish CID, 280 at 0.050" roller cam, 13 CR...