Andy, You said that you painted the intake manifold. What color and what brand of paint did you use. The manifolds were unpainted from the factory. Scott Mueller 002981 -----Original Message----- From: Soma576@xxxx [mailto:Soma576@xxxx] Subject: Re: [DML] How do you keep your engine clean??? as for the chalky stuff, are you talking about how the intake manifold looks? I had to get mine repainted (including the thermostat housing and a new water pump) in order to get rid of that splotchy problem. Andy