I just cant and wont use any thing other then Mobil one . gm uses it ford uses it in all there hi perf engines .
some say it leaks out easy ? I have vw so this is normal they all leak not to bad about pt every 10-12 hrs . are some of you corvair guy s using it? i also use marvel mystery oil or if i have the money moa made by b&g between oil changes. 380 plus hrs no more valve problems pump gas and Mobil one just say no thanks to graphite slick prolong all the others on the market mac n1055a flying soon as it stops raining!!!!!!!!!!!!!!!!!! on the east coast
