#3A SSM Drives ins and outs?
 

Looking at a boat with #3a drives what is normal mantce and things to check for and look out for with these drives some people say that they need to be redone every 100hrs. but boat had blower motors at one time and for the last 7 years have been 400hp gm crate 454 motors.

also anything i should look for on trans?

Thanks.