Was going through some old pics of the car and found this one showing my Filter Minder install. Don't think I ever put it up here so...
jetjock;1486864 said:Yeah, it measures the delta P between ambient and the area behind the filter. Works with any kind of filter. Since a filter's efficiency increases as it loads changing it early is dumb.
http://www.filterminder.com/
They also come in panel mount for people like IJ
As Jay said you can often find them on Ebay for cheaper.
jetjock;1486897 said:Welcome Dave. Have fun with it.
Ian: Lol. Reminds me of the big "Landing Gear Asshole" labels I use