Holley carbs

[Ghoste]

I recently picked up a Holley 4 barrel and it is a long time since I have used one.   I have already left an e-mail with Holley hoping to find this info, but can anyone tell me anything important I should know about the 3310-8?   I know the 3310 is a 750cfm 4160 and all of the basic stuff.   I'm just wondering about the "-8" part since the 2005 Holley catalog only goes up to "-7".   Is this thing so new that it missed the catalog and what updates could be in it?   Is it a one off?   I'm assuming it has the blowout check valves for the power valve.   72 primary jets?

[Chryco Psycho]

I`m positive nothing much has been changed ,if it had it would have a new # not  3310