Post by
yellow_jacket »
https://forums.nicoclub.com/yellow-jacket-u4236.html
Thu Oct 23, 2003 4:40 am
yeah, you should probably be alright. You will know for sure when you pull the head and look down at the cylinder walls. If they are extremely rusted, you might want to reconsider. As far as replacing the head I would definetely do it. A machine shop will get you a gasket kit, check the head for flattness and cranks, and take care of both of those problems all for about $150. To me that is definetley worth the effort of fixing it.
edit: usually there is enough oil mixed with the coolant to prevent rust on the cylinder walls and bearings.