While we’re talking about removing the speedo cable for maintenance, what size brass knurled thumb nut do I need to buy for the actual speedometer? I’ve read where they make the job of taking the head out and reinstalling it much easier. Thanks
Chuck 1950 Chevy 1/2 ton (all original) 1951 Chevy 1/2 ton (future streetrod) 1941 Chevy coupe 1938 Chevy coupe streetrod