84/85 ECM

[Hot Air Beast]

Are there any significant differences to note between the stock 84 and 85 ECM?

 

[Boost231]

Significant no

Sent from my SM-G935T using Tapatalk

 

[500Horse]

Can the 86-87 ECM be used for a 1985, and if so will there be any performance advantage?

 

[Boost231]

Yes and yes

Sent from my SM-G935T using Tapatalk

 

[500Horse]

Yes and yes

Sent from my SM-G935T using Tapatalk

Thank you!