While I still have same issue of not starting engine quickly and it took long time to start with UN stable startup, I received the R20 AWD differential and subframe and all necessary rear stuff. I already got the R20 gearbox, fuel tank from few months and it was waiting for the rest of AWD parts!
Once I fixed the engine mechanical or tuning issue I will plan for the AWD conversion.
Once I fixed the engine mechanical or tuning issue I will plan for the AWD conversion.