by Donnie Hurt | Jan 5, 2018 | LUBRICATION & COOLING
GM LS OIL PRESSURE PROBLEMS We had rebuilt a customer’s 5.3L GM engine but they were still complaining of low oil pressure at idle. We sent them a new oil pump, but it still was low, about 17lbs at idle. We learned that there was a second oil pressure relief valve in...
by Donnie Hurt | Jan 4, 2018 | CRANKSHAFTS & CONNECTING RODS
MARK THE SPOT When grinding cranks I like to know where the thrust, radius or the crank cheek is. Once I clean up that side, a simple paper clamp marks that and is a good guide on how close that surface or radius is when sweeping for final size. It works for me. Randy...
by Donnie Hurt | Jan 4, 2018 | BLOCK WORK
HARLEY JUG JIG This jig was made to hold Harley cylinders and torque plates in your Sunnen hone. It allows you to set up cylinders vertically, then pivots for hand held hone while using honing oil from your hone. It is much faster and safer than holding cylinders by...
by Donnie Hurt | Dec 1, 2017 | DISASSEMBLY & CLEANING
CLEANING INTAKE PORTS After porting an intake manifold or a set of heads, there is going to be quite a bit of sand, aluminum, and other things in the port. It is very important that all of this debris gets cleaned out before assembling the engine. An easy and...
by Donnie Hurt | Dec 1, 2017 | TOOLING
MODIFIED PLUG SOCKET It can be much easier to install and remove spark plugs, when space is tight due to header configuration, by notching out one section of a spark plug socket. This will allow for a better angle, and you can still use the hex head rather than a...
