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Re: Which Oil Filter
ADV=Anti-drain back valve
For those that will read this thread and are not certain what ADV stands for or what it does: Anti-drain back valve prevents oil from draining out of the oil filter when the engine is turned off. You can find a ton of information about this online. As well as Oil filter reviews, ratings, opinions etc.
FRAM uses a silicone ADBV on FRAM Tough Guard and FRAM Ultra filters, and switched to a silicone ADBV on Extra Guard filters in 2018 because of its superior performance.
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66 GMC Suburban Custom
66 Chevy K10 Suburban
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