I have had a squeak on my left hand side of my backside on my 09 Roadster for three years now, and have taken advice of spraying every product mentioned, but I still have a squeak on my A**e end, it's doing my Morgan head in!!!
Morgan 2009 Roadster Rolls Royce Lush Green 3.0 V6 Audi A4 Advant (some blue colour not botherd)