6.7 airfilter in 5.9 housing

6.7 airfilter in 5.9 housing

03-15-2009, 01:24 AM

#1 (permalink)

seafish

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Join Date: Mar 2007 Posts: 1,694

6.7 airfilter in 5.9 housing

Long time ago I remember reading about some folks here running the air filter for the 6.7L CTD in the 5.9L oem airboxes. The newer air filters are almost three times as thick (tall) yet ALMOST the exact same size as the 5.9L oem filters. I am wondering if anyone is still doing this and if they feel they are getting good resuts from the switch. There is NO question thta there is more filter media in the 6.7 filter ( and it obviously meets cummins standards), BUT when I installed one, it felt like I was squishing the pleats together to press it into the 5.9L housing, and I decided that MIGHT restrict airflow. The filter gaskets ARE the same size, so there is NO problem with a seal betweeen the body and lid of the airbox. I don't have my EGT gauge installed yet, so I decided not to take the chance of restricting airflow. I WILL try this again after I get the gauges installed, but I am just wondering if anybody else has some feedback or ideas on this??

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