99 civic si jdm B16a
 

Hello currently running 99civic si with gen 2 jdmB16A on p2t Ecu runs great looking to switch to turbo so wich is the best ecu to get Usd P30 or P28 I know it needs to be socketed and chipped and also what is the differences thanks.
https://cimg5.ibsrv.net/gimg/honda-t...a3b6804aa.jpeg
https://cimg8.ibsrv.net/gimg/honda-t...b55a123bd.jpeg

Re: 99 civic si jdm B16a
 

P28 obd1 will be easier and cheaper to find. No difference once "chipped"