I have a '93 Civic (140,000) & a '87 Ramcharger (150,000) and I live in the desert of West Texas. I have always run 20w-50 and never had a problem. I'm AutoRXing at present, and am curious how Schaeffer's 15w-40 or DELO 15w-40 (or M1 15w-50 if I go full syn) will perform as compared to the 20w-50 I currently use. The temps in the summer easily reach 115F and with AC on MAX in traffic, I need all the protection/performance I can get. Thanks for all of the opinions & suggestions!
[ March 25, 2003, 06:56 PM: Message edited by: uconn1150 ]
[ March 25, 2003, 06:56 PM: Message edited by: uconn1150 ]