hi all I have a 1990 na.5 speed AC vert .till a week ago it would use about a 1/4of a QT. of oil in 500 miles now 600 miles and I have not lost a dropof oil ? OMP? can i premix till I fix fix ? how do set it uip for premix? Do We have a easy test to see if the omp is working? any help thjank you all soe[IMG]<a href="http://s678.photobucket.com/albums/vv146/breezeingrx7/?action=view&current=DSC05191.jpg" target="_blank"><img src="http://i678.photobucket.com/albums/vv146/breezeingrx7/DSC05191.jpg" border="0" alt="Photobucket"></a>[/IMG] much