Fuel Economy, Hypermiling, EcoModding News and Forum - EcoModder.com - View Single Post - "MPGiata" modding thread: aiming for 50 MPG with a 1990 Miata. Update: success, 55 MPG!

Ecky · 10-17-2022, 04:21 PM

In the KSight I had a similar issue. I couldn't imagine how a brand new thermostat had failed open. Turns out when I had added a sensor to the thermostat housing, I didn't realize it was too long and was holding the thermostat open. Made a huge difference.

10-17-2022, 04:21 PM	#420 (permalink)
Ecky Master EcoModder Join Date: Dec 2011 Location: New Zealand Posts: 5,077 ND Miata - '15 Mazda MX-5 Special Package 90 day: 39.72 mpg (US) Oxygen Blue - '00 Honda Insight 90 day: 54.69 mpg (US) Thanks: 2,904 Thanked 2,560 Times in 1,586 Posts	In the KSight I had a similar issue. I couldn't imagine how a brand new thermostat had failed open. Turns out when I had added a sensor to the thermostat housing, I didn't realize it was too long and was holding the thermostat open. Made a huge difference. __________________ Ecomodding 2015 MX-5 Miata Honda Insight w/Acura TSX engine 2000 Insight TLC & Build Thread