Originally Posted by 06wrx420
Do you have access to a 3 port bcs you can swap out and try? Its almost sounding like the spring in ur MBC is not holding properly. I had a buddy with a boosted civic that had a problem of the vibrations in the enigine would rattle the MBC alittle. did u get it used? almost makes me want to go out and un hook my 3 port and see if I go over 11.60 because i have the same sping in.
I bought the Hallman brand new. I don't really have access to a 3 port at the moment. I suppose I could hook the stock one back up and see if that changes anything, but I'd much rather run an aftermarket 3 port ebcs.