whats the code on the stock sr20ve ecu.....thats the no. on the cover...is it 23710-75C15

The number you posted comes from a JDM N14 SR18DE.AT

Have a look here (http://www.sr20-forum.com/76112-post6.html)for the SR20VE ecus part numbers.

u where rite on the money man. thanx