New Accessory Pulley = Better MPG?
So my Accesory pulleys were makeing a racket, during their replacement I saw the timing belt pulleys were almost dead. Replaced them all and now the motor is much quieter. Anyhow, drving in to work this morning I noticed my SG was reporting a lower GPH than normal on the coasts, around 17 when it is normally around 20. My normal Idle GPH is around 17-18. By the time I got to work I was seeing the idle GPH around 12-13. I'm sure the savings is very small, but the old pulleys must have had quite a bit of friction in the those worn out bearings. I also did about 1mpg better on the way to work, however that is well within the normal variation due to traffic. We'll see if it's a consitant gain. I'm just amazed at the difference in GPH...
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