by Donnie Hurt | Mar 1, 2015 | CYLINDER HEADS
BROKEN TIP A Volkswagon 1.8L turbo 20-valve cylinder head can be found in most shops across the country. Due to broken timing belts, new valves are often needed. If a valve tip breaks off at the keeper groove, after re-installation, it is not the fault of the valve....
by Donnie Hurt | Feb 1, 2015 | OTHER SHOP WORK
FILLER UP When I need to hone a harmonic balancer or anything with a key slot, I use a body filler, commonly called Bondo, to fill it up and rough it close. That way the stones don’t catch on the edge of the slot, it does not clog the stones and it works quite well....
by Donnie Hurt | Feb 1, 2015 | GASKETS & SEALING
Sixteen Installation Tips For Cylinder Head Gaskets 1. The engine should cool completely-before disassembly Heat expands metal, making head and manifold bolts more difficult to remove and more prone to breakage. Cylinder heads, especially aluminum heads may warp if...
by Donnie Hurt | Jan 1, 2015 | PISTONS & RINGS
Evolution of Ring End Gap Theory It’s easy to see or know when you don’t have enough ring end gap. Common signs include scuffed ring faces, damaged rings and cylinders and/or shiny areas on the butt ends of the rings. The ideal minimum ring end-gap would by found...
by Donnie Hurt | Jan 1, 2015 | CYLINDER HEADS
Guide to Tipping I keep about 15 different valve guides next to my valve-refacer to use when “tipping” the valve stems. By clamping the guide into the machine instead of the stem of the valve, I can easily insert the valve and use two fingers on the head of the valve...
