Thread: If you don't have a vacuum gauge, you're missing out!
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Old 03-09-2010, 01:14 AM   #48 (permalink)
99prizm
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I ordered the Auto Meter gauge, waiting on shipping. Anyone installed one on a 99 Prizm / Corolla? I got 37.6mpg last tank!! Hoping to break 40mpg with help of the vacuum gauge...
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