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MetroMPG · 11-25-2007, 04:19 PM

5w30 is recommended. But the car was built before 0w30 or 5w20 were widely available. I wonder if they would have spec'd differently...

Then again, in addition to being gas miserly, it was also built to be cheap. The bean counters probably would have had issues with putting in pricier, low viscosity synthetics.

11-25-2007, 04:19 PM	#3 (permalink)
MetroMPG Batman Junior Join Date: Nov 2007 Location: 1000 Islands, Ontario, Canada Posts: 22,530 Blackfly - '98 Geo Metro Team Metro Last 3: 70.09 mpg (US) MPGiata - '90 Mazda Miata 90 day: 54.46 mpg (US) Even Fancier Metro - '14 Mitsubishi Mirage top spec 90 day: 70.75 mpg (US) Appliance car Mirage - '14 Mitsubishi Mirage ES (base) 90 day: 62.14 mpg (US) Thanks: 4,078 Thanked 6,977 Times in 3,613 Posts	5w30 is recommended. But the car was built before 0w30 or 5w20 were widely available. I wonder if they would have spec'd differently... Then again, in addition to being gas miserly, it was also built to be cheap. The bean counters probably would have had issues with putting in pricier, low viscosity synthetics. __________________ 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