by Donnie Hurt | Mar 1, 2014 | ASSEMBLY
MANUFACTURERS TECH TIP: Fundamentals of Engine Bearing Clearances The durability of any engine – stock or performance – is tied to the engine builder’s skill in achieving optimal bearing clearances . Too little or too much clearance will reduce or eliminate the vital...
by Donnie Hurt | Feb 1, 2014 | CYLINDER HEADS
MAGNETIC CATCH MATS Small valve locks, especially those for obscure import applications, can be difficult to get into place and inevitably, if you’re not careful, can pop out and easily get lost on or under your work station. Magnetic sheeting is available in one foot...
by Donnie Hurt | Feb 1, 2014 | CYLINDER HEADS
RESURFACED HEAD DEBURRING TOOL I found a great tool for deburring combustion chambers after resurfacing cylinder heads. I took a common chainsaw sharpening file, removed the “rat tail” handle, chamfered and radiused this end for a comfortable fit in my hand. I also...
by Donnie Hurt | Feb 1, 2014 | BLOCK WORK
TORQUE PLATE HONING GM LS-SERIES ENGINES We have found that due to the length of the head bolts and the fact that they finish approximately 1-1/2 inches from the mains, considerable bore distortion will occur if torque plates are not used when finish honing the GM LS...
by Donnie Hurt | Feb 1, 2014 | PISTONS & RINGS
CHANGES IN PISTON DESIGN Last month we discussed changes in piston ring design. Changes in rings also mean changes in the pistons they ride on. A century ago you could find cast iron pistons in your motor. Aluminum soon proved to be a lighter weight and more durable...