04-28-2004, 10:15 PM
|
#4 (permalink)
|
|
Administrator
Car: 2006 Cherokee SRT8
Join Date: Apr 2004
Member Number: 1
Posts: 745
|
|
Most mfrg's only reccomend 5w20 because they do EPA (?) gas mileage testing with that in there to get better gas mileage, and by law must then reccomend it in the manual. But 10w30 is better. (IMHO)
|
|
|
|