Good to hear its going well MF
I bought a chunk of foam from clark rubber - I use it for everything from trimmer filters, briggs filters and the victa round 'pre-filter' seal that goes under the paper one.
10 minutes with scissors & stanley trimmer usually yields a good result. I put some Aldi chain bar oil on the filter and squeeze it through - its blue so I can see missed spots and doesn't run/drain off like 15w40.
If the old filter is just really filthy, put on some thick rubber gloves and get seriously hot water with some morning fresh washing liquid and squeeze it through (squirt stubborn spots with SCA degreaser) and then rinse in cold water and air dry - normally cleans well for me. But if the foam is disintegrating, there is no hope
As a note, the old small engine gregory's manual recommends that below 10 degrees, 10w30 'diluted with 10% kerosene' be used in briggs - I have never seen it anywhere since
Last edited by Tyler; 23/09/19 11:46 PM.