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Old 03-25-2023   #4
Norwegianmopar
 
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Join Date: Mar 2018
Location: Norway
Posts: 346
Default Re: Royal Purple oil filters

Quote:
Originally Posted by secondchance View Post
How would one distinguish good vs. bad oil filter trough use? I think the only way is to disassemble and compare the quality of internal construction.
On our cars it's a lot about anti-drainback, how well the filter keeps the oil when the car is parked.

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