Why don't you consider swapping a C160 six-speed transmission into your Echo?
I have either the C50 or C150 transmission in my Scion xB, but it's handicapped by the lowest final drive gear ratio in the Toyota/Scion lineup. I'm thinking of swapping the pinion and ring gears from a Yaris or Echo into my xB's differential.
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Darrell
Boycotting Exxon since 1989, BP since 2010
Have you ever noticed that anybody driving slower than you is an idiot, and anyone going faster than you is a maniac? George Carlin
Mean Green Toaster Machine
49.5 mpg avg over 53,000 miles. 176% of '08 EPA
Best flat drive 94.5 mpg for 10.1 mi
Longest tank 1033 km (642 mi) on 10.56 gal = 60.8 mpg
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