AE 101 - 111 ITB Question, please help

[86er]

continued again I removed last picture as it wasnt relevant and theres a limit per post

blacktop:




next theres the intake port. the silvertop is taller but not as wide. also down in the port the silvertop has almost nothing dividing the three valve ports. however the blacktop has three distinct runners seperating the valves. also the port is much wider.

silvertop:



blacktop:



heres a few pics with measurement:

blacktop:



silvertop:



well the last thing i can think of is the diameter of the throttle body inlet so heres the two:

blacktop:



silvertop:



oh one last thing i noticed, the blacktop has a mechanical timing belt tensioner where as the silvertop just has a spring and then is tightened down. heres a pic of the blacktop tensioner:



then a few more random pics:




um.. i didnt remove the cranks to weigh them but i might do it later. i dont think there is a differnce though. if you guys have any questions or want me to weigh/measure anything else let me know soon before the things back