LINE HONE QUICK CHANGE On my line honing machine, I machined the threaded hold down rods for 3/8” cap screws. This makes adjusting them much faster, using a cordless drill. Just machine the face flat, and drill and tap on the lathe. Super time saver when switching...

HEAVY DUTY FRONT CAP For some extra strength on the front main bearing on several different engine platforms, you can narrow up a beefier 4-bolt cap to fit the 2-bolt register. If the radial depth is close enough to be able to “hone-in”, you often don’t even need to...

GET IT RIGHT When line boring and trying to figure out bearing clearance on an engine family that's out of your norm, check your clearances before you start. Torque a bearing into a good bore and use the stock fasteners if you plan on aftermarket bolts or studs, so it...

ADDED HONE TANK FILTRATION Lay used air filter rolls under your engine block, or other parts being honed, to collect as much grit as possible. It saves you time and money by extending the life of the oil filter on your machine. We triple up the layers directly under...

ROTTLER HM3 HONE REPAIR Here is how you can repair your Rottler hone head since Rottler does not service this any longer. Use a Regis part number RSI218. You will need to drill out the top of pinion to remove the expander nut. Then cut the top of the shaft and drill...

RUST PITS When rebuilding vintage engines, a person must deal with rusty components. When I have rust pits in the cylinders that do not require sleeving, I treat them with rust dissolver jelly right before honing. It may take a few times to get it and a small...