by Donnie Hurt | Mar 3, 2017 | PISTONS & RINGS
REDUCED RADIAL WALL BY DESIGN The use of steel in the upper compression ring has many advantages. Steel provides 35% more strength, weighs 30% less and increases the resistance to side wear, which is observed on the newer model engines. Another feature from the...
by Donnie Hurt | Mar 3, 2017 | BLOCK WORK
BLOCK CRACK FIX On 400 SB Chevy blocks, the deck is the weak link. They have a tendency to crack between the water holes. I have found a successful fix for this. I drill and tap the water holes for tapered pipe plugs. Once they are sealed and threaded into the block,...
by Donnie Hurt | Mar 3, 2017 | CRANKSHAFTS & CONNECTING RODS
RELUCTOR WHEEL INSTALLATION Many late model engines, like the LS series GM V8’s, use a press fit reluctor wheel as a crankshaft trigger. When the need arises to swap the crankshaft reluctor, some companies sell a tool for approximately $200. Taking one off is as...
by Donnie Hurt | Mar 1, 2017 | DISASSEMBLY & CLEANING
SADDLE PROTECTION If you are shot blasting an engine block but want to protect the crankshaft housing bore surfaces, you can install some used upper main bearing shells in place, then secure them to the block with threaded rod or machine screws with a nut up in the...
by Donnie Hurt | Feb 2, 2017 | GASKETS & SEALING
FLATNESS AND SURFACE FINISH Cylinder head and block flatness and surface finish are critical to proper head gasket sealing. The following general specifications cover both gasoline and diesel engines. Since bolt spacing, location of oil and water holes, pressures,...