Bryan, Thanks, I just bought 2 qts to try in both Jettas'. How long have you been using Prolong? Chris Bryan Billings wrote: > Yea, I love it . It dropped the temp 20 degrees and there is no > cam/lifter chatter when it is cold. I live by the stuff. > > Bryan Billings > > Christopher DuBach wrote: > > > > Has anyone used Prolong in their car. . . .