|
Registered
Join Date: Dec 2008
Location: San Antonio, Texas
Posts: 3,591
|
I've used M1 15-50 for 50 years in all my air-cooled over the years with never a problem.
change it every 5k or 6 months, if you want to pay more its your choice.
__________________
1973 911S (since new) RS MFI specs
1991 C2 Turbo
|