Recent content by hardaground

Maybe it's too late but I primed my newly blasted intake manifold with primer rated at 170 degree max. Does anyone know how hot these straight 8 intakes get ? It's a stock 263 engine. I recall regular enamel paint is good for about 300 degrees. That's what I was going to use as a top coat. I...

My first post here. I acquired a '51 Buick Super, 263 cu in, all stock and original last November. I'm wondering if I can substitute the existing factory recommended AC46 plugs with AC 46R spark plugs without causing issues with the coil or condenser, etc ? My AC46 plugs look a little tired so...