How to Measure Engine Parts for an Overhaul
One of the real complexities in overhauling an engine is figuring out which parts need to be replaced, which can be reused, and the sizes to order when you do replace them. This is particularly difficult for the main and rod bearings, pistons, and sleeves. The help you get from the service manuals ranges from very detailed, to non-existent depending on the manufacturer. The manual leaves you with a "If you have to ask, you shouldn't be rebuilding it yourself" feeling. If you have one of these manuals, the following may help.