by Donnie Hurt | May 10, 2018 | CYLINDER HEADS
EASY SPRING HEIGHT GAUGE Sometimes it’s hard to get a caliper in to get a quick spring installed height. Machine a piece of tubing or rod with a 3/4” I.D. and approx. 1.25” O.D. Make it exactly 1” long. Install a valve, drop in your bushing, a retainer and a pair of...
by Donnie Hurt | May 10, 2018 | DISASSEMBLY & CLEANING
USED OIL ANALYSIS For best results: Take sample within 10 minutes of using the equipment. (i.e. shutting off the engine or coming off the track) If this is not possible, drain 1 quart of fluid into a quart or larger container, shake for 1 minute before filling the...
by Donnie Hurt | May 2, 2018 | PISTONS & RINGS
PISTON CLAMP Eliminating the movement of the parts when installing or removing Spirolox type retaining rings makes the job easier. This device, simply made, stabilizes the assembly and/or removal. Instead of clamping a connecting rod in a vise and trying to steady...
by Donnie Hurt | May 2, 2018 | GASKETS & SEALING
REAR MAIN PAIN We are still getting lots of calls on rear main seal leaks on LS engines after rebuilds. We suggest engine builders install the rear seal with the lip facing the crankshaft, like all other engines, regardless of installation instructions. This change in...
by Donnie Hurt | May 1, 2018 | CAMSHAFTS & VALVE TRAIN
GM AFM VLOM The GM Active Fuel Management, or AFM Engines in 2005-2014 5.3L and 6.0L Passenger Cars, Trucks and SUVs are prone to lifter failures. These lifters are expensive and labor intensive to replace. As is common with lifter failures, the lifter usually gets...
