No. The only factor affecting fluid content is whether the vehicles are used off-road the majority of the time or are used at construction sites or in operations where a large number of punctures are likely to occur. FACTOID: Berryman Tire Seal-R has been used at facilities where mobile buildings are built for many years. At one site in the late 1990s, a tire was replaced with a new one and recovered by one of our sales people. The tire had 161 nails and pieces of wire in it and still held air."