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Or keep it simple and drop in a Volvo transmission with overdrive. That in itself should get you about 4 MPG. The B18 and B20 will mate up to the same transmission. The Volvo 4 speed from those days was available with an overdrive. I think it was a simple boltin swap that needed only a switch for the overdrive solenoid and a shortened drive shaft.
If you do that, BEWARE. The spec for the overdrive transmission is (I think) 10W40 engine oil, while the spec for the 4 speed without overdrive is 80W90. If you put 80W90 in the overdrive transmission you will shear off a key inside the overdrive.
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06 Canyon: The vacuum gauge plus wheel covers helped increase summer 2015 mileage to 38.5 MPG, while summer 2016 mileage was 38.6 MPG without the wheel covers. Drove 33,021 miles 2016-2018 at 35.00 MPG.
22 Maverick: Summer 2022 burned 62.74 gallons in 3145.1 miles for 50.1 MPG. Winter 2023-2024 - 2416.7 miles, 58.66 gallons for 41 MPG.
Last edited by JRMichler; 02-02-2012 at 01:16 PM..
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