by Donnie Hurt | Mar 1, 2014 | CYLINDER HEADS
NON-STICK EQUALS NICER FINISH I find that when machining some valve seats my cutter will get a build up and give a poor finish. I use a small knife to scrape the cutter clean, than I smear PAM (non-stick spray) on the seat and the cutter for the last .002” cut. It...
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 | Mar 1, 2014 | ASSEMBLY
HOLDING A CYLINDER HEAD WHILE INSTALLING When installing a head on a V8 or V6 block there is always that chance that one head may not seat correctly and fall off before you can bolt it down. Take old head bolts and cut the heads off. Then cut a slot in them that will...
by Donnie Hurt | Feb 1, 2014 | DISASSEMBLY & CLEANING
SILICON AND GLASS BEADS DON’T MIX Many times you will have an aluminum head with some left over silicon gasket on the surface. Attempting to bead blast the silicon off will only result in a damaged cylinder head. The aluminum will continue to be worn away by the...
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...
