My R300 was reluctant to start especially when less than 10c ambient until i balanced the roller barrels , get yourself a airflow syncrometer and do the proceedure. mine is now like chalk and cheese
I didn't stick the pads directly to the seats but used the adhesive on the back of the Velcro after cleaning off all the normal stick stuff. I cleaned the surface of the Tillet thoroughly then used Evo - Stik. Slight abrasion might help to give a good surface for the glue. Al