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Detroit 8V71 nat. Air Filter - Oil bath or Dry? Edweird 3-16-17  
I drive a Canadian Canuck600 RV coach with a purring Detroit 8V71 natural. However, It still has the oil bath filter setup and I keep it fresh, but should I change this out for a common dry type filter system? What are the advantages, besides less mess? This 40' bus 24,000 lbs averages 12mpg, setup @ 318hp.
Re: Detroit 8V71 nat. Air Filter - Oil bath or Dry? Bubba The Bus Tech 3-16-17  

In this application a true 318 HP 8V71 will be an overheating nightmare.

I would bet at 12 mpg you are at 258 hp or running 2025 governed rpm. Either way. sounds like a nice way to travel.

The oil bath is fine. It works best when the engine is under load and is cheap if messy to service.

A dry filter is scary expensive for cheap bugger like me to retrofit. But they tend to filter better at low rpm and idle. Where you shouldn't be operating anyway.

If you are going to run this 200,000 or more miles it would be worth it to update to dry filter. If you are going to run less than 100,000 miles in your ownership, don't bother.

Good luck
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