I try to change mine out twice a year. 165 for summer driving and a 180 for winter. Doesn't always happen but the heater sure works a lot better in the winter with the 180.


Bruce
Old Toy: Ol' Betsy stock 59 Apache SB Stepside (Gone but not Forgotten)
New Toy: 1962 Impala SS Coupe
The Driver: 1990 Toyota truck