On the fuel cat thing, I had a weak moment & purchased one about 7 years ago, I got sick of the bloody thing
rattling around the tank. I think Fuel Cat is in a similar vein as those electronic rust preventers & Peter Brock's
Polorizor (Aussie readers might remember that one!), "Save your money", put a pebble in your tank instead,
it will do the same thing,
Cus