I am not running mine yet but i brought mine thou a recommendation of a friend who is running a 2.1 with a t36 turbo and it seems to work spot on.

Never had any problems ahmed bayjoo mapped with 28psi and the front mount seem to perform very well.

I couldnt give you act temps but i know they are a good bit of kit.

If its the new kit it will have the 60mm cores.

reading the ebay post it says they are brand new form the manufacture so i would take that they are the new 60mm cores.