[Mulana]

I decided to build a spin-on oil filter adapter for my 432, and what a headache that was!! I am fortunate to have access to an engine-lathe to turn the aluminum disc, an indexing head to space the holes equally, and a sturdy drill press to bore out the holes. The engine-lathe was too worn out to cut threads, so I had to hire a machine shop for those jobs. They turned the straight pipe nipple and the internal threads on the adapter, and they easily proved to be the most expensive part of the build. All in, including the cost of my mistakes and starting over, I have spent around $400-$500. I have not tried it yet, but I am confident it will work fine. If I had to do it again, I probably wouldn't due to the amount of work involved and the expense. Off and on, it took about two years to complete.