Dodge Durango Forum II
hm.. I'm pretty sure DOT4 is a compatible upgrade to DOT3..
TomK [MA][99 BW 5.9L FT4WD]
tek@acm.org
it is glycol-based (like DOT3), with a slightly higher boiling point.as in:
http://www.valvoline.com/pages/products/product_detail.asp?product=51
... tom
Wed Apr 30