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Old 11-15-2014, 11:26 AM   #9
DmaxDually
Montana Fan
 
Join Date: Mar 2014
Location: New Port Richey
Posts: 438
M.O.C. #14092
I use Gas Check. It's accurate & works good once you get the hang of it. Here's the website. Watch the video.

http://www.moscapeng.com/GasCheck.html
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2012 Silverado 3500HD|4x4|Crew Cab|long bed|Dually
2012 Montana 3750FL
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