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REDUCED RADIAL WALL BY DESIGN
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...
SADDLE PROTECTION
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...
MAGNETIC BASE AND A THIRD HAND
MAGNETIC BASE AND A THIRD HAND I use a small magnetic base vice to hold my dial-bore gauge while checking it with a micrometer. The extra hand allows me to get a better read on it. These are not expensive. I can store it near by, but out of the way. Steve Potz...
CONNECTING ROD PIN END – BORING
CONNECTING ROD PIN END - BORING In certain cases, we have to remove a good deal of stock from the pin end of the rod. Whether to fit oversize pins in a press-fit rod, to fit bushings that are .001-.002” oversize or bore out an undersized bushing to spec, this can be...
THEY ARE NOT ALL FAILURES
THEY ARE NOT ALL FAILURES You might not believe this, but not every 2.9L, 3.0L or 4.0L V6 Ford factory cylinder head cracked and failed. Nor did every 706 GM 4.8-5.3L with the “battery” emblem. Cylinder heads fail for a reason. Now the difference between success or...
FLATNESS AND SURFACE FINISH
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,...
