Diesel Pusher Air Filter change
I was wondering how to really know when to change an air filter on a CAT engine. I have the vacuum gauge that is supposed to give you the info but how reliable are they? The filter for my engin...
Forum Discussion
larry cad wrote:
Several years ago, I realized my vacuum gage would show a clogged filter right after I would change the filter and put on a new one. I replaced the gage and got the same result. A couple of years ago I changed the filter and modified the intake to accept the next larger one. Gage hasn't acted up since. I suspect the factory specified the wrong one. BTW, I get slightly better fuel mileage since. Not much, but enough to make me happy I made the change.
We did the same thing. A smart guy we camped with suggested it, he was right. :B
