PR4 or PG7?

[kaiperrigo]

I have a 91 honda crx with a B18A1 swap and I have two ecu's which do I use the PR4 or the PG7?

 

[LightWeightChamp]

pr4. is the pg7 stock d sereis? im not a d guy. but i know a pr4 is an ls ecu

 

[kaiperrigo]

d series , and brown top ZC

 

[LightWeightChamp]

Ya use the PR4

 

[Z6CRX]

+1 pr4