Nepon Auto People Before Profit www.neponauto.com Installing a new 160-degree Thermostat (1990 Miata in pictures shown – by Geoff Kim) (Click on the thumbnails on the left to get the full size pictures.) Things you’ll need: Thermostat (I used a 160 degree unit from NAPA — NAPA #42, 52mm thermostat). Thermostat Gasket (NAPA#C20115) Blue RTV [...]