If You pull the exhaust-manifold the 232 up to at least 1970 year model have large exhaust ports,the 258 has some small ports that You almost can't stick a finger trough,the 232 You can get 2 fingers ang half a foot trough with some force ;)...
And under the valve-cover You will find shaft-mounted rockers on the 232 the bigger engine has pedestal-mounted.
Be good : Speed Swede
