"Carb to intake sealer is gasket only no other sealer allowed". That wording has been there since 2007 as Don stated. It means what is says, only stock gaskets may be used to seal the carb and its related components. If you are confused please refer to the first paragraph at top of page 48 in your current rule book, first sentence. How have the engines always come from the factory? This hasn't been a problem for 6 years, why now? Bennie, I'm sure by now you know what a gasket is!