Can wreck an MA box with the wrong brand oil...from experience.
Tend to just have trouble getting 1st, reverse and sometimes 2nd with cheap oil in the BE boxes though, particularly when cold. Some on here say they never have a problem though so its up to you really.
Tend to just have trouble getting 1st, reverse and sometimes 2nd with cheap oil in the BE boxes though, particularly when cold. Some on here say they never have a problem though so its up to you really.