If I recall correctly, there was a TSB that changed it to 13 because 18 proved to be too much.
If I recall correctly, there was a TSB that changed it to 13 because 18 proved to be too much.
SilverBullet75
Formerly: '01 Ebony VXSTLTH
Now: '08 Saab 9-7x Aero 6.0L