Building Chevy 4.3 liter V6 - 1994 with balance shaft
(→TECH STUFF ABOUT THE 1994 4.3l V6) |
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Taking the heads apart was easy with the appropriate tools. Valve spring compressor and a magnetic pick and valves are out of the heads within 30 minutes. Took the block and heads to my shop where they pulled the plugs. Some of the freeze-plugs had already started to leak from corrosion which hat eaten through from inside. Then had block and heads hot tanked. I gave them a thorough wash with the pressure washer. Then cleaned all with brushes and parts cleaner at the shop. All color is removed from the block as well as all the sooth from where it could be accessed. Brushed out the runners with a compressed air tool and a fine metal brush. Then took a grinding stone and got rid of all the casting ridges and brows. Chamfered all sharp edges taking care not to damage any seal areas. | Taking the heads apart was easy with the appropriate tools. Valve spring compressor and a magnetic pick and valves are out of the heads within 30 minutes. Took the block and heads to my shop where they pulled the plugs. Some of the freeze-plugs had already started to leak from corrosion which hat eaten through from inside. Then had block and heads hot tanked. I gave them a thorough wash with the pressure washer. Then cleaned all with brushes and parts cleaner at the shop. All color is removed from the block as well as all the sooth from where it could be accessed. Brushed out the runners with a compressed air tool and a fine metal brush. Then took a grinding stone and got rid of all the casting ridges and brows. Chamfered all sharp edges taking care not to damage any seal areas. | ||
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| + | == 2016-FEB-27 - MEASURING FOR BLUEPRINTING == | ||
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| + | ''' CAMSHAFT ''' | ||
| + | The camshaft has terrible oddities. I'm a metric guy and have measured up to .52 mm (0.02 in) differences in lobe lift vs. base circle from one lobe to the next. Also the base circles differed by 0.4 mm (0.015 in). | ||
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