marinmcgreevy

Motor Oil choices are like musical preferences. Motor use and operating environment have a much greater impact on wear (why we use oil?) than the "brand" of oil if the brand meets API specifications.

PS: I always use Chevron Delo 400.

84_Carrera

Here's the page from the '84 manual:

http://members.***.net/fhurderjr/84_911_oil_grade.pdf

r911

Thanks!