Old Cars Weekly News \& Marketplace - Auto Restoration Guide: Advice and How-to Projects for Your Collector Car

Fortunately, the Cadillac block had no cracks, but this six-cylinder Chevrolet block wasn’t as lucky. After ...

rear of the block and the saddle, as well as in the cylinders. The magnetic power is ap ...

ago, will need to be rebuilt. To tear them down, Herman used a valve spring compressor to contra ...

continued when it was discovered that some of the valve guides were cracked, so these will need to ...

A Engine rebuild step two: MACHINING A CADILLAC OVERHEAD-VALVE V-8 nyone can tear apart an engine down t ...

Machining also smooths the surfaces of engine parts by wiping away scoring or other blemishes to allow ga ...

which the crank makes contact with the bearing, the bearings had to be larger to compensate for the missing d ...

original size for these parts to maintain factory tolerances. Cutting away cylinder walls The size and t ...

The engine block is lined up in the boring machine to bore out each cylinder to the desired diameter. Only ...

Locating pins on the boring bar center the boring bar in the cylinder. ...

The engine is placed in an oil bath for the honing process. Honing the engine will take .002 inches off t ...

The honing stone (pictured in the cylinder) has a silicone carbide tip and is run up and down the cylinder ...

Honing leaves a cross-hatch pattern on the cylinder walls, which ensure proper compression for the pistons that wi ...

of attaining the desired cylinder diameter. Before finally boring each of the eight cylinder walls to the de ...

A close-up of the dial-bore gauge’s gauge. This is the tip of the dial-bore gauge, used to measure the diame ...

found to be in good, rebuildable condition. However, before machine work could begin to install hardene ...

A previous machinist cleared the inside of the original valve guides and inserted new valve guides in them. ...

Herman measures the depth of the area he has cut from the head for the hardened valve seat. The area cut ...

The valve guide and seat machine is employed to bore the head for the installation of hardened valve ...

To ensure the boring bar is at the center of the valve opening, a guide is mounted on the machine. A carbid ...