These engines now run tighter clearances and are designed to run thinner oil to maintain oil volume especially at cold temps where most the wear is..But really it doesn't matter too much so long as there is quality oil in there and changed often...imo
Don't be afraid to try something new. Remember, amateurs built the Ark...Professionals built the Titanic!
Tuned & maintained by "Peppertree Perfmormance". Dart block, Scat 4340 steel crank, Custom C.P pistons.Oliver rods.. Mal Wood twin plate clutch.. Twin SC61/2's,482 rwkw/ 645 rwhp..
Passengers, myocardial infarction material..