m4xwellmurd3r Posted June 7, 2008 Share Posted June 7, 2008 I've noticed something about my Z's stock exhaust manifold. it LOOKS like it's been ceramic coated. I didn't really notice till recently either. but it's a very silver color, and appears to have area's where the "coating" has flaked off. is it possible that it may have been coated with something in the past? I suppose it could be high temp spray paint. I suppose there's also the chance my manifold is somehow rust free despite this car obviously sitting outside unprotected for probably a decade or so Quote Link to comment Share on other sites More sharing options...
boardkid280z Posted June 14, 2008 Share Posted June 14, 2008 I agree, it does look like it was coated once. Looks like it is kind of flaking off now. Quote Link to comment Share on other sites More sharing options...
calpoly-z Posted June 14, 2008 Share Posted June 14, 2008 Pretty sure he's talking about his cast STEEL exhaust manifold. I agree it probably has been coated. I've tried painting the manifold before with high temp paint and it began flaking off in the first couple days. Quote Link to comment Share on other sites More sharing options...
m4xwellmurd3r Posted June 14, 2008 Author Share Posted June 14, 2008 well that's neat if it was coated. I guess I'll find out for sure when I take the engine out for a rebuild. I haven't seen anyone coat the stock manifold before, guess there isn't much of a reason to. But I do know the cast manifolds soak up quite a bit of heat, so I suppose an owner in the past tried to keep that heat inside of the exhaust instead of radiating it onto the intake manifold *shrugs* Quote Link to comment Share on other sites More sharing options...
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