DRAG MARKS

DRAG MARKS

DRAG MARKS When resurfacing aluminum heads where the seat insert is contacted, sometimes the tool bit can leave tracking or drag marks across the deck surface in that area. To avoid this, you may be able to simply chamfer the seat slightly before the finish cut, so...
LONG TAP EXTENTION

LONG TAP EXTENTION

LONG TAP EXTENTION Chasing threads at the bottom of deep holes in engine blocks can be done with a pulley tap. Pulley taps are made with an extra-long shank. However, if you do not have a pulley tap, you can make a tap extension. Here’s how: Cut off the threaded...
RUST PITS

RUST PITS

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...
REVERSE SCRIBE TOOL

REVERSE SCRIBE TOOL

REVERSE SCRIBE TOOL When port matching intake manifolds, I make some different shaped “Reverse Scribes” to get in and scribe mark the dye on the intake manifold flange side. It works great, is often easier than marking and transferring an intake gasket...