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Worth it to switch to synthetic auto tranny fluid?
Hey guys! I just bought a 07 Cobalt LT coupe and am loving it! Just got a job that I'll be driving 140 miles a day so I'm looking to increase my mpg in any way I can! Is there a signifigant increase in mpg going from stock tranny fluid to a full synthetic? If it helps, the car has a 2.2L with...- Sethareno
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- Replies: 13
- Forum: LS, LT, LTZ
