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| Oil analyzers in indy does it but its kinda pricey. $35 retail for prepaid postage ones from amsoil dealers. Still cheaper than an oil change if its not necessary. Lubewatch is another one, also in indy. They're cheaper than oil analyzers. Sample kits come with sample bottles (that typically hold a few oz of oil) and all paperwork. Amsoil makes a good oil extraction pump that pumps oil from a hose that runs down dipstick tube into the sample bottles. | |
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