Fuel Economy, Hypermiling, EcoModding News and Forum - EcoModder.com - View Single Post - Toying with idea of taller Metro 5th gear (to go with the already taller final drive)

MetroMPG · 09-28-2009, 10:02 PM

My brother took one of the 5th gear cogs to a couple of machinists. Neither have wire EDM. Both tried filing/cutting the steel.

One said, "no way - I'll go through too many cutting bits (?)" #2 said, "I'm potentially interested." I haven't had a chance to talk to #2 yet.

09-28-2009, 10:02 PM	#56 (permalink)
MetroMPG Batman Junior Join Date: Nov 2007 Location: 1000 Islands, Ontario, Canada Posts: 22,524 Blackfly - '98 Geo Metro Team Metro Last 3: 70.09 mpg (US) MPGiata - '90 Mazda Miata 90 day: 52.71 mpg (US) Even Fancier Metro - '14 Mitsubishi Mirage top spec 90 day: 70.75 mpg (US) Appliance car - '14 Mitsubishi Mirage ES (base) 90 day: 60.06 mpg (US) Thanks: 4,078 Thanked 6,967 Times in 3,607 Posts	My brother took one of the 5th gear cogs to a couple of machinists. Neither have wire EDM. Both tried filing/cutting the steel. One said, "no way - I'll go through too many cutting bits (?)" #2 said, "I'm potentially interested." I haven't had a chance to talk to #2 yet. __________________ 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