topless94style Posted June 3, 2004 Report Posted June 3, 2004 My p&p heads are finished and ready for payment and some other final touch up work before they go on my car. I have been looking into some engien coatings, mainly thermal barrier and friction coatings. I dont have the time/money to take the engine out and do the pistons, so i plan on coating the combustion chamber and the valve faces with the thermal barrier. Then I want to coat the cams/valve guides with the friction coating. So, my question is, if I coat the combustion chamber and valve faces, protecting them from heat, will that put more strain on the pistons heat wise? Quote
WhiteOut Posted June 3, 2004 Report Posted June 3, 2004 According to thermodynamics, yes. In practice, who knows. Your correct in thinking that something has to absorb the heat that the coated parts aren't, but in all likely hood it will just end up being the block which will then transfer the heat to the coolant causing no damage in the process. Quote
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