IF ! your installing a diff girdle ( alum cover like TA, etc) do not use the rear fill plug as a level indicator, use the fill hole on the side of the rear end housing. as the fill hole on the girdle will allow you to over fill!
IF ! your installing a diff girdle ( alum cover like TA, etc) do not use the rear fill plug as a level indicator, use the fill hole on the side of the rear end housing. as the fill hole on the girdle will allow you to over fill!