im getting ready to put my h23 into an eg. are the any tips tricks things that i may need to look out for to make it easier/smoother?

i have place racing axles and mounts.i have good and bad about them whats the truth.

also i have a 96 ob2 harness. should i just ditch it and get a ob1 or is it wirth it to just the conv. harness

thanks