just wondering if there is any difference between a gsr crank pulley and a type r pulley. i ask this because my civic had a gsr motor in it and it blew. i got a type r motor and when my brother and i installed it we took the crank pulley off the gsr motor since it was aem and put it on the type r.
now when i drive the car when it is cold(when i first start it) the rpms wrap up to 8K fast but once the motor warms up whenever i get to around 6k it loses alot of power and just kind of stops building rpms. i have no idea why this is and im trying to figure it out

another thing, would a gsr header have anything to do with this since we took of the dc header from the gsr and put it on the type r

thank you