I had a small engine mechanic acquaintance who seemed knowledgeable recommend that I always store my equipment full of fuel treated with Marine STA-BIL as opposed to regular storage STA-BIL. After doing that a couple of years, I ended up having to have the carburetor replaced in my snow blower. Very frustrating, because I thought I was babying it. The other mechanic who replaced the carb recommended that I run the carb empty when storing.
So I started doing some web searching to figure out what is the best way to store my equipment. I landed with something like this:
- drain the tank
- fill with fresh, treated gas
- turn off shutoff valve
- run machine till dies or stutters (manuals say not to let it stutter)
Also while searching, I saw this comment: "Marine Sta-bil plugged up our carbs and fuel tanks.. bad stuff." This other site says that that may be caused by the marine Sta-bil washing dirt and grime from the fuel system on old machines which ends up in the carburetor.
My question is this. Should I store my outdoor equipment with Marine STA-BIL? Does it matter? What's the difference?