Coolant Conditioner all that necessary?
Exactly what does it do? Other than the dealership where can I locate the FW16 conditioner required for the coolant every 20K miles? Any substitute considerations?
2000 Excursion, Limited, 4X4, PSD, Airaid Intake System, Bilstein Shocks, Hellwig rear Stabilizer, Pro-comp steering stabilizer and the Diablo Chip.....