i was wondering what ecu i can use in my non turbo 86 rx7 gxl....the question i am trying to ask is what is the ecu code n326 1881 b or n326 1881c or m326 1881b or c any one know...let me know im having a hard time trying to figure this out

 

any of the n326 should be fine

 

ya..second that.I put a 326 in the 1986 Roller and dropped an engine in..Worked fine enough to Sell it,Running.