So i answer the question myself. Newer CIM 13162134 index DL has support for scrollers and is a direct replacement for my stock cim index EB. however...
Google is your friend to find a car-audio specialist that is nearby you that offers fitting services.... just be aware that going to one of them can...
Welcome .is that the digital green or the grey green ?? as to modifying it all depends if parts are still available .Engine wise yes very tuneable ....