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!

MetroMPG · 09-18-2017, 04:58 PM

He's keeping the water pump, but the radiator is a possibility. I already replaced mine, though.

Unfortunately, the rear end was the same for all of this generation. A taller diff would be fantastic. Plus it'd let me run the slightly smaller diameter & narrower LRR tires on the back too.

09-18-2017, 04:58 PM	#5 (permalink)
MetroMPG Batman Junior Join Date: Nov 2007 Location: 1000 Islands, Ontario, Canada Posts: 22,534 Blackfly - '98 Geo Metro Team Metro Last 3: 70.09 mpg (US) MPGiata - '90 Mazda Miata 90 day: 54.46 mpg (US) Appliance car Mirage - '14 Mitsubishi Mirage ES (base) 90 day: 57.73 mpg (US) Thanks: 4,082 Thanked 6,979 Times in 3,614 Posts	He's keeping the water pump, but the radiator is a possibility. I already replaced mine, though. Unfortunately, the rear end was the same for all of this generation. A taller diff would be fantastic. Plus it'd let me run the slightly smaller diameter & narrower LRR tires on the back too. __________________ Project MPGiata! Mods for getting 50+ MPG from a 1990 Miata Honda mods: Ecomodding my $800 Honda Fit 5-speed beater Mitsu mods: 70 MPG in my ecomodded, dirt cheap, 3-cylinder Mirage. Ecodriving test: Manual vs. automatic transmission MPG showdown EcoModder has launched a forum for the efficient new Mitsubishi Mirage www.MetroMPG.com - fuel efficiency info for Geo Metro owners www.ForkenSwift.com - electric car conversion on a beer budget