If I get a port and polished cylinder for my 86 quadracer, can I swap my old cylinder for this one without changing anything else? I know I would have to get a size piston to match the bore on the cylinder. Does anyone know how to tell what the bore size is on a cylinder using a standard tape measure or any other method??? Any help would be greatly appreciated!!!!! Also anything in particular to look for when buying a port and polished cylinder used?

 

You would need to use a bore mic or a dial bore gauge and mic to accuratly measure the cylinder.