413 cylinder heads... are these toast??
Engine has been sitting for MANY years. I imagine there is some steel under the rust, but should I save myself the embarrassment at the machine shop by even asking if they want to regrind those valve seats??
Engine has been sitting for MANY years. I imagine there is some steel under the rust, but should I save myself the embarrassment at the machine shop by even asking if they want to regrind those valve seats??
